Items where Author is "Grieve, Richard"

Year Item Type Full Text

Article

Cost-Effectiveness and Resource Allocation (CERA) - directions for the future. (2009) Baltussen, Rob; Acharya, Arnab; Antioch, Kathryn; Chisholm, Dan; Grieve, Richard; Kirigia, Joses; Torres-Edejer, Tessa Tan; Walker, Damien; Evans, David

Older stroke patients in Europe: stroke care and determinants of outcome. (2004) Bhalla, A; Grieve, R; Tilling, K; Rudd, AG; Wolfe, CDA; BIOMED II European Study of Stroke Care

Protocol for an observational cohort study investigating personalised medicine for intensification of treatment in people with type 2 diabetes mellitus: the PERMIT study. (2021) Bidulka, Patrick; O'Neill, Stephen; Basu, Anirban; Wilkinson, Samantha; Silverwood, Richard J; Charlton, Paul; Briggs, Andrew; Adler, Amanda I; Khunti, Kamlesh; Tomlinson, Laurie A; Smeeth, Liam; Douglas, Ian J; Grieve, Richard

Initiating change locally in bullying and aggression through the school environment (INCLUSIVE): study protocol for a cluster randomised controlled trial. (2014) Bonell, Chris; Allen, Elizabeth; Christie, Deborah; Elbourne, Diana; Fletcher, Adam; Grieve, Richard; LeGood, Rosa; Mathiot, Anne; Scott, Stephen; Wiggins, Meg; Viner, Russell M

Initiating change locally in bullying and aggression through the school environment (INCLUSIVE) trial: update to cluster randomised controlled trial protocol. (2017) Bonell, Chris; Mathiot, Anne; Allen, Elizabeth; Bevilacqua, Leonardo; Christie, Deborah; Elbourne, Diana; Fletcher, Adam; Grieve, Richard; Legood, Rosa; Scott, Stephen; Warren, Emily; Wiggins, Meg; Viner, Russell M

Pathways of care and resource utilization in a national cohort of patients with transfusion-acquired hepatitis C. (2005) Brant, L; Harris, HE; Ramsay, ME; Grieve, R; Roberts, J; HCV National Register Steering Group*

Two-year outcomes among stable high-risk patients following acute MI. Insights from a global registry in 25 countries. (2020) Brieger, David; Pocock, Stuart J; Blankenberg, Stefan; Chen, Ji Yan; Cohen, Mauricio G; Granger, Christopher B; Grieve, Richard; Nicolau, Jose C; Simon, Tabassome; Westermann, Dirk; Yasuda, Satoshi; Gregson, John; Rennie, Kirsten L; Hedman, Katarina; Sundell, Karolina Andersson; Goodman, Shaun G

Handling missing values in cost effectiveness analyses that use data from cluster randomized trials. (2013) Diaz-Ordaz, K; Kenward, MG; Grieve, R

Methods for estimating complier average causal effects for cost-effectiveness analysis. (2017) DiazOrdaz, K; Franchini, AJ; Grieve, R

Multiple imputation methods for bivariate outcomes in cluster randomised trials. (2016) DiazOrdaz, K; Kenward, MG; Gomes, M; Grieve, R

Complier-average causal effects for multivariate outcomes: an instrumental variable approach with application to health economics. (2015) DiazOrdaz, Karla; Franchini, Angelo; Grieve, Richard

Handling Missing Values in Cost Effectiveness Analyses that Use Data From Cluster Randomized Trials. (2014) Díaz-Ordaz, K; Kenward, Michael G; Grieve, Richard

Health-related quality of life associated with bullying and aggression: a cross-sectional study in English secondary schools. (2017) Fantaguzzi, C; Allen, E; Miners, A; Christie, D; Opondo, C; Sadique, Z; Fletcher, A; Grieve, R; Bonell, C; Viner, RM; Legood, R

Neonatal ventilation with inhaled nitric oxide vs. ventilatory support without inhaled nitric oxide for infants with severe respiratory failure born at or near term: the INNOVO multicentre randomised controlled trial. (2007) Field, D; Elbourne, D; Hardy, P; Fenton, AC; Ahluwalia, J; Halliday, HL; Subhedar, N; Heinonen, K; Aikio, O; Grieve, R; Truesdale, A; Tomlin, K; Normand, C; Stocks, J; INNOVO Trial Collaborating Group

Neonatal Ventilation With Inhaled Nitric Oxide Versus Ventilatory Support Without Inhaled Nitric Oxide for Preterm Infants With Severe Respiratory Failure: the INNOVO multicentre randomised controlled trial (ISRCTN 17821339). (2005) Field, D; Elbourne, D; Truesdale, A; Grieve, R; Hardy, P; Fenton, AC; Subhedar, N; Ahluwalia, J; Halliday, HL; Stocks, J; Tomlin, K; Normand, C; INNOVO Trial Collaborating Group

Multiple imputation methods for handling missing data in cost-effectiveness analyses that use data from hierarchical studies: an application to cluster randomized trials. (2013) Gomes, Manuel; Díaz-Ordaz, Karla; Grieve, Richard; Kenward, Michael G

Statistical methods for cost-effectiveness analyses that use data from cluster randomized trials: a systematic review and checklist for critical appraisal. (2012) Gomes, Manuel; Grieve, Richard; Nixon, Richard; Edmunds, WJ

Methods for covariate adjustment in cost-effectiveness analysis that use cluster randomised trials. (2012) Gomes, Manuel; Grieve, Richard; Nixon, Richard; Ng, Edmond S-W; Carpenter, James; Thompson, Simon G

Estimating treatment effects under untestable assumptions with nonignorable missing data. (2020) Gomes, Manuel; Kenward, Michael G; Grieve, Richard; Carpenter, James

Developing appropriate methods for cost-effectiveness analysis of cluster randomized trials. (2012) Gomes, Manuel; Ng, Edmond S-W; Grieve, Richard; Nixon, Richard; Carpenter, James; Thompson, Simon G

Longer-term oral antiplatelet use in stable post-myocardial infarction patients: Insights from the long Term rIsk, clinical manaGement and healthcare Resource utilization of stable coronary artery dISease (TIGRIS) observational study. (2017) Goodman, Shaun G; Nicolau, Jose C; Requena, Gema; Maguire, Andrew; Blankenberg, Stefan; Chen, Ji Yan; Granger, Christopher B; Grieve, Richard; Pocock, Stuart J; Simon, Tabassome; Yasuda, Satoshi; Vega, Ana Maria; Brieger, David; TIGRIS Study Investigators

Review: Health economics: an introduction to economic evaluation. Second edition. (2005) Grieve, R

The development and use of a method to compare the costs of acute stroke across Europe. (2001) Grieve, R; Dundas, R; Beech, R; Wolfe, C

A comparison of the costs and survival of hospital-admitted stroke patients across Europe. (2001) Grieve, R; Hutton, J; Bhalla, A; Rastenytë, D; Ryglewicz, D; Sarti, C; Lamassa, M; Giroud, M; Dundas, R; Wolfe, CD

Economic evaluation for hepatitis C. (2002) Grieve, R; Roberts, J

Cost effectiveness of interferon alpha or peginterferon alpha with ribavirin for histologically mild chronic hepatitis C. (2006) Grieve, R; Roberts, J; Wright, M; Sweeting, M; DeAngelis, D; Rosenberg, W; Bassendine, M; Main, J; Thomas, H

An evaluation of the clinical and cost-effectiveness of alternative care locations for critically ill adult patients with acute traumatic brain injury. (2016) Grieve, R; Sadique, Z; Gomes, M; Smith, M; Lecky, FE; Hutchinson, PJA; Menon, DK; Rowan, KM; Harrison, DA; Risk Adjustment In Neurocritical care (RAIN) Study Investigators

Cancer Drugs Fund requires further reform. (2016) Grieve, Richard; Abrams, Keith; Claxton, Karl; Goldacre, Ben; James, Nicholas; Nicholl, Jon; Parmar, Mahesh; Parker, Chris; Sekhon, Jasjeet S; Smeeth, Liam; Spiegelhalter, David; Sculpher, Mark

Improving costing methods in multicentre economic evaluation: the use of multiple imputation for unit costs. (2010) Grieve, Richard; Cairns, John; Thompson, Simon G

SF-6D versus EQ-5D: reasons for differences in utility scores and impact on reported cost-utility. (2008) Grieve, Richard; Grishchenko, Marina; Cairns, John

Verteporfin photodynamic therapy cohort study: report 3: cost effectiveness and lessons for future evaluations. (2009) Grieve, Richard; Guerriero, Carla; Walker, Jemma; Tomlin, Keith; Langham, Julia; Harding, Simon; Chakravathy, Usha; Carpenter, James; Reeves, Barnaby C; Verteporfin Photodynamic Therapy Cohort Study Group

Extrapolation of survival data in cost-effectiveness analyses: improving the current state of play. (2013) Grieve, Richard; Hawkins, Neil; Pennington, Mark

Clinical effectiveness and cost-effectiveness of emergency surgery for adult emergency hospital admissions with common acute gastrointestinal conditions: the ESORT study. (2023) Grieve, Richard; Hutchings, Andrew; Moler Zapata, Silvia; O’Neill, Stephen; Lugo-Palacios, David G; Silverwood, Richard; Cromwell, David; Kircheis, Tommaso; Silver, Elizabeth; Snowdon, Claire; Charlton, Paul; Bellingan, Geoff; Moonesinghe, Ramani; Keele, Luke; Smart, Neil; Hinchliffe, Robert

Selecting methods for the prediction of future events in cost-effectiveness models: a decision-framework and example from the cardiovascular field. (2003) Grieve, Richard; Hutton, John; Green, Colin

Bayesian hierarchical models for cost-effectiveness analyses that use data from cluster randomized trials. (2010) Grieve, Richard; Nixon, Richard; Thompson, Simon G

Multilevel models for estimating incremental net benefits in multinational studies. (2006) Grieve, Richard; Nixon, Richard; Thompson, Simon G; Cairns, John

Using multilevel models for assessing the variability of multinational resource use and cost data. (2005) Grieve, Richard; Nixon, Richard; Thompson, Simon G; Normand, Charles

Analysis of Benefit of Intensive Care Unit Transfer for Deteriorating Ward Patients: A Patient-Centered Approach to Clinical Evaluation. (2019) Grieve, Richard; O'Neill, Stephen; Basu, Anirban; Keele, Luke; Rowan, Kathryn M; Harris, Steve

Evaluating health care programs by combining cost with quality of life measures: a case study comparing capitation and fee for service. (2008) Grieve, Richard; Sekhon, Jasjeet S; Hu, Teh-Wei; Bloom, Joan R

A cost-effectiveness analysis of rhDNase in children with cystic fibrosis. (2003) Grieve, Richard; Thompson, Simon; Normand, Charles; Suri, Ranjan; Bush, Andrew; Wallis, Colin

Options for possible changes to the blood donation service: health economics modelling. (2018) Grieve, Richard; Willis, Sarah; De Corte, Kaat; Sadique, M Zia; Hawkins, Neil; Perra, Silvia; Pennington, Mark; Turner, Jenny; Moore, Carmel; Wickenden, Crispin; Koppitz, Catharina; Cho, Gavin; Roberts, David J; Miflin, Gail; Cairns, John A

Cost-effectiveness of pegylated interferon and ribavirin for patients with chronic hepatitis C treated in routine clinical practice. (2009) Grishchenko, Marina; Grieve, Richard D; Sweeting, Michael J; De Angelis, Daniela; Thomson, Brian J; Ryder, Stephen D; Irving, William L; Trent HCV Study Group

Verteporfin photodynamic therapy cohort study: report 1: effectiveness and factors influencing outcomes. (2009) Harding, Simon P; Tomlin, Keith; Reeves, Barnaby C; Langham, Julia; Walker, Jemma; Carpenter, James; Grieve, Richard; Patton, William P; Muldrew, Katherine A; Peto, Tunde; Chakravarthy, Usha; Verteporfin Photodynamic Therapy Cohort Study Group

Impact on mortality of prompt admission to critical care for deteriorating ward patients: an instrumental variable analysis using critical care bed strain. (2018) Harris, Steve; Singer, Mervyn; Sanderson, Colin; Grieve, Richard; Harrison, David; Rowan, Kathryn

Correction to: Impact on mortality of prompt admission to critical care for deteriorating ward patients: an instrumental variable analysis using critical care bed strain. (2018) Harris, Steve; Singer, Mervyn; Sanderson, Colin; Grieve, Richard; Harrison, David; Rowan, Kathryn

Development and validation of a risk model for identification of non-neutropenic, critically ill adult patients at high risk of invasive Candida infection: the Fungal Infection Risk Evaluation (FIRE) Study. (2013) Harrison, D; Muskett, H; Harvey, S; Grieve, R; Shahin, J; Patel, K; Sadique, Z; Allen, E; Dybowski, R; Jit, M; Edgeworth, J; Kibbler, C; Barnes, R; Soni, N; Rowan, K

Risk Adjustment In Neurocritical care (RAIN)--prospective validation of risk prediction models for adult patients with acute traumatic brain injury to use to evaluate the optimum location and comparative costs of neurocritical care: a cohort study. (2013) Harrison, DA; Prabhu, G; Grieve, R; Harvey, SE; Sadique, MZ; Gomes, M; Griggs, KA; Walmsley, E; Smith, M; Yeoman, P; Lecky, FE; Hutchinson, PJA; Menon, DK; Rowan, KM

From Sample Average Treatment Effect to Population Average Treatment Effect on the Treated: Combining Experimental with Observational Studies to Estimate Population Treatment Effects. (2015) Hartman, Erin; Grieve, Richard; Ramsahai, Roland; Sekhon, Jasjeet S

A multicentre, randomised controlled trial comparing the clinical effectiveness and cost-effectiveness of early nutritional support via the parenteral versus the enteral route in critically ill patients (CALORIES). (2016) Harvey, Sheila E; Parrott, Francesca; Harrison, David A; Sadique, M Zia; Grieve, Richard D; Canter, Ruth R; McLennan, Blair Kp; Tan, Jermaine Ck; Bear, Danielle E; Segaran, Ella; Beale, Richard; Bellingan, Geoff; Leonard, Richard; Mythen, Michael G; Rowan, Kathryn M

Extrapolation of Survival Data in Cost-effectiveness Analyses: The Need for Causal Clarity. (2017) Hawkins, Neil; Grieve, Richard

The INNOVO multicentre randomised controlled trial: neonatal ventilation with inhaled nitric oxide versus ventilatory support without nitric oxide for severe respiratory failure in preterm infants: follow up at 4-5 years. (2008) Huddy, CL; Bennett, CC; Hardy, P; Field, D; Elbourne, D; Grieve, R; Truesdale, A; Diallo, K; INNOVO Trial Collaborating Group

Effectiveness of emergency surgery for five common acute conditions: an instrumental variable analysis of a national routine database. (2022) Hutchings, A; O'Neill, S; Lugo-Palacios, D; Moler Zapata, S; Silverwood, R; Cromwell, D; Keele, L; Bellingan, G; Moonesinghe, SR; Smart, N; Hinchliffe, R; Grieve, R

Evaluation of modernisation of adult critical care services in England: time series and cost effectiveness analysis. (2009) Hutchings, Andrew; Durand, Mary Alison; Grieve, Richard; Harrison, David; Rowan, Kathy; Green, Judith; Cairns, John; Black, Nick

Variation in the rates of emergency surgery amongst emergency admissions to hospital for common acute conditions. (2021) Hutchings, Andrew; Moler Zapata, Silvia; O'Neill, Stephen; Smart, Neil; Cromwell, David; Hinchliffe, Robert; Grieve, Richard

Impact of the first wave of COVID-19 on outcomes following emergency admissions for common acute surgical conditions: analysis of a national database in England. (2022) Hutchings, Andrew; Moonesinghe, Ramani; Moler Zapata, Silvia; Cromwell, David; Bellingan, Geoff; Vohra, Ravinder; Moug, Susan; Smart, Neil; Hinchliffe, Robert; Grieve, Richard

Endovascular or open repair strategy for ruptured abdominal aortic aneurysm: 30 day outcomes from IMPROVE randomised trial. (2014) IMPROVE Trial Investigators; Powell, Janet T; Sweeting, Michael J; Thompson, Matthew M; Ashleigh, Ray; Bell, Rachel; Gomes, Manuel; Greenhalgh, Roger M; Grieve, Richard; Heatley, Francine; Hinchliffe, Robert J; Thompson, Simon G; Ulug, Pinar

Antibiotics as first-line alternative to appendicectomy in adult appendicitis: 90-day follow-up from a prospective, multicentre cohort study. (2021) Javanmard-Emamghissi, H; Hollyman, M; Boyd-Carson, H; Doleman, B; Adiamah, A; Lund, JN; Moler-Zapata, S; Grieve, R; Moug, SJ; Tierney, GM; COVID: HAREM (Had Appendicitis and Resolved/Recurred Emergency M

Applying risk adjusted cost-effectiveness (RAC-E) analysis to hospitals: estimating the costs and consequences of variation in clinical practice. (2013) Karnon, Jonathan; Caffrey, Orla; Pham, Clarabelle; Grieve, Richard; Ben-Tovim, David; Hakendorf, Paul; Crotty, Maria

Does Transfer to Intensive Care Units Reduce Mortality? A Comparison of an Instrumental Variables Design to Risk Adjustment. (2019) Keele, Luke; Harris, Steve; Grieve, Richard

Randomization-based Instrumental Variables methods for Binary outcomes with an Application to the ‘IMPROVE’ trial. (2017) Keele, Luke; Small, Dylan; Grieve, Richard

Children's Oxygen Administration Strategies And Nutrition Trial (COAST-Nutrition): a protocol for a phase II randomised controlled trial. (2021) Kiguli, Sarah; Olopot-Olupot, Peter; Alaroker, Florence; Engoru, Charles; Opoka, Robert O; Tagoola, Abner; Hamaluba, Mainga; Mnjalla, Hellen; Mpoya, Ayub; Mogaka, Christabel; Nalwanga, Damalie; Nabawanuka, Eva; Nokes, James; Nyaigoti, Charles; Briend, André; van Woensel, Job BM; Grieve, Richard; Sadique, Zia; Williams, Thomas N; Thomas, Karen; Harrison, David A; Rowan, Kathryn; Maitland, Kathryn

Methods for estimating subgroup effects in cost-effectiveness analyses that use observational data. (2012) Kreif, Noemi; Grieve, Richard; Radice, Rosalba; Sadique, Zia; Ramsahai, Roland; Sekhon, Jasjeet S

Evaluation of the Effect of a Continuous Treatment: A Machine Learning Approach with an Application to Treatment for Traumatic Brain Injury. (2015) Kreif, Noémi; Grieve, Richard; Díaz, Iván; Harrison, David

Examination of the Synthetic Control Method for Evaluating Health Policies with Multiple Treated Units. (2015) Kreif, Noémi; Grieve, Richard; Hangartner, Dominik; Turner, Alex James; Nikolova, Silviya; Sutton, Matt

Regression-adjusted matching and double-robust methods for estimating average treatment effects in health economic evaluation. (2013) Kreif, Noémi; Grieve, Richard; Radice, Rosalba; Sekhon, Jasjeet S

Statistical methods for cost-effectiveness analyses that use observational data: a critical appraisal tool and review of current practice. (2012) Kreif, Noémi; Grieve, Richard; Sadique, M Zia

Evaluating treatment effectiveness under model misspecification: A comparison of targeted maximum likelihood estimation with bias-corrected matching. (2016) Kreif, Noémi; Gruber, Susan; Radice, Rosalba; Grieve, Richard; Sekhon, Jasjeet S

Estimating the Comparative Effectiveness of Feeding Interventions in the Pediatric Intensive Care Unit: A Demonstration of Longitudinal Targeted Maximum Likelihood Estimation. (2017) Kreif, Noémi; Tran, Linh; Grieve, Richard; De Stavola, Bianca; Tasker, Robert C; Petersen, Maya

Cost-Effectiveness of Take-Home Naloxone for the Prevention of Overdose Fatalities among Heroin Users in the United Kingdom. (2018) Langham, Sue; Wright, Antony; Kenworthy, James; Grieve, Richard; Dunlop, William CN

Application of quantitative bias analysis for unmeasured confounding in cost-effectiveness modelling. (2022) Leahy, Thomas P; Duffield, Stephen; Kent, Seamus; Sammon, Cormac; Tzelis, Dimitris; Ray, Joshua; Groenwold, Rolf Hh; Gomes, Manuel; Ramagopalan, Sreeram; Grieve, Richard

Unmeasured confounding in nonrandomized studies: quantitative bias analysis in health technology assessment. (2022) Leahy, Thomas P; Kent, Seamus; Sammon, Cormac; Groenwold, Rolf Hh; Grieve, Richard; Ramagopalan, Sreeram; Gomes, Manuel

Sensitivity Analysis for Not-at-Random Missing Data in Trial-Based Cost-Effectiveness Analysis: A Tutorial. (2018) Leurent, Baptiste; Gomes, Manuel; Faria, Rita; Morris, Stephen; Grieve, Richard; Carpenter, James R

Correction to: Sensitivity Analysis for Not-at-Random Missing Data in Trial-Based Cost-Effectiveness Analysis: A Tutorial. (2019) Leurent, Baptiste; Gomes, Manuel; Faria, Rita; Morris, Stephen; Grieve, Richard; Carpenter, James R

A clinical and economic evaluation of Control of Hyperglycaemia in Paediatric intensive care (CHiP): a randomised controlled trial. (2014) Macrae, Duncan; Grieve, Richard; Allen, Elizabeth; Sadique, Zia; Betts, Helen; Morris, Kevin; Pappachan, Vithayathil John; Parslow, Roger; Tasker, Robert C; Baines, Paul; Broadhead, Michael; Duthie, Mark L; Fortune, Peter-Marc; Inwald, David; McMaster, Paddy; Peters, Mark J; Schindler, Margrid; Guerriero, Carla; Piercy, Deborah; Slavik, Zdenek; Snowdon, Claire; Van Dyck, Laura; Elbourne, Diana

A randomized trial of hyperglycemic control in pediatric intensive care. (2014) Macrae, Duncan; Grieve, Richard; Allen, Elizabeth; Sadique, Zia; Morris, Kevin; Pappachan, John; Parslow, Roger; Tasker, Robert C; Elbourne, Diana; CHiP Investigators

Control of hyperglycaemia in paediatric intensive care (CHiP): study protocol. (2010) Macrae, Duncan; Pappachan, John; Grieve, Richard; Parslow, Roger; Nadel, Simon; Schindler, Margrid; Baines, Paul; Fortune, Peter-Marc; Slavik, Zdenek; Goldman, Allan; Truesdale, Ann; Betts, Helen; Allen, Elizabeth; Snowdon, Claire; Percy, Deborah; Broadhead, Michael; Quick, Tara; Peters, Mark; Morris, Kevin; Tasker, Robert; Elbourne, Diana

Children's Oxygen Administration Strategies Trial (COAST):  A randomised controlled trial of high flow versus oxygen versus control in African children with severe pneumonia. (2017) Maitland, Kathryn; Kiguli, Sarah; Opoka, Robert O; Olupot-Olupot, Peter; Engoru, Charles; Njuguna, Patricia; Bandika, Victor; Mpoya, Ayub; Bush, Andrew; Williams, Thomas N; Grieve, Richard; Sadique, Zia; Fraser, John; Harrison, David; Rowan, Kathy

Rejoinder. (2017) Mason, AJ; Gomes, M; Grieve, R; Carpenter, J

Flexible Bayesian longitudinal models for cost-effectiveness analyses with informative missing data. (2021) Mason, Alexina J; Gomes, Manuel; Carpenter, James; Grieve, Richard

Rejoinder. (2017) Mason, Alexina J; Gomes, Manuel; Grieve, Richard; Carpenter, James

A Bayesian framework for health economic evaluation in studies with missing data. (2018) Mason, Alexina J; Gomes, Manuel; Grieve, Richard; Carpenter, James R

Development of a practical approach to expert elicitation for randomised controlled trials with missing health outcomes: Application to the IMPROVE trial. (2017) Mason, Alexina J; Gomes, Manuel; Grieve, Richard; Ulug, Pinar; Powell, Janet T; Carpenter, James

Ethnic differences in SARS-CoV-2 infection and COVID-19-related hospitalisation, intensive care unit admission, and death in 17 million adults in England: an observational cohort study using the OpenSAFELY platform. (2020) Mathur, Rohini; Rentsch, Christopher T; Morton, Caroline E; Hulme, William J; Schultze, Anna; MacKenna, Brian; Eggo, Rosalind M; Bhaskaran, Krishnan; Wong, Angel YS; Williamson, Elizabeth J; Forbes, Harriet; Wing, Kevin; McDonald, Helen I; Bates, Chris; Bacon, Seb; Walker, Alex J; Evans, David; Inglesby, Peter; Mehrkar, Amir; Curtis, Helen J; DeVito, Nicholas J; Croker, Richard; Drysdale, Henry; Cockburn, Jonathan; Parry, John; Hester, Frank; Harper, Sam; Douglas, Ian J; Tomlinson, Laurie; Evans, Stephen JW; Grieve, Richard; Harrison, David; Rowan, Kathy; Khunti, Kamlesh; Chaturvedi, Nishi; Smeeth, Liam; Goldacre, Ben; OpenSAFELY Collaborative

Ethnic differences in SARS-CoV-2 infection and COVID-19-related hospitalisation, intensive care unit admission, and death in 17 million adults in England: an observational cohort study using the OpenSAFELY platform. (2021) Mathur, Rohini; Rentsch, Christopher T; Morton, Caroline E; Hulme, William J; Schultze, Anna; MacKenna, Brian; Eggo, Rosalind M; Bhaskaran, Krishnan; Wong, Angel YS; Williamson, Elizabeth J; Forbes, Harriet; Wing, Kevin; McDonald, Helen I; Bates, Chris; Bacon, Seb; Walker, Alex J; Evans, David; Inglesby, Peter; Mehrkar, Amir; Curtis, Helen J; DeVito, Nicholas J; Croker, Richard; Drysdale, Henry; Cockburn, Jonathan; Parry, John; Hester, Frank; Harper, Sam; Douglas, Ian J; Tomlinson, Laurie; Evans, Stephen JW; Grieve, Richard; Harrison, David; Rowan, Kathy; Khunti, Kamlesh; Chaturvedi, Nishi; Smeeth, Liam; Goldacre, Ben

Local Instrumental Variable Methods to Address Confounding and Heterogeneity when Using Electronic Health Records: An Application to Emergency Surgery. (2022) Moler-Zapata, Silvia; Grieve, Richard; Lugo-Palacios, David; Hutchings, A; Silverwood, R; Keele, Luke; Kircheis, Tommaso; Cromwell, David; Smart, Neil; Hinchliffe, Robert; O'Neill, Stephen

Trial of early, goal-directed resuscitation for septic shock. (2015) Mouncey, Paul R; Osborn, Tiffany M; Power, G Sarah; Harrison, David A; Sadique, M Zia; Grieve, Richard D; Jahan, Rahi; Harvey, Sheila E; Bell, Derek; Bion, Julian F; Coats, Timothy J; Singer, Mervyn; Young, J Duncan; Rowan, Kathryn M; ProMISe Trial Investigators

Protocolised Management In Sepsis (ProMISe): a multicentre randomised controlled trial of the clinical effectiveness and cost-effectiveness of early, goal-directed, protocolised resuscitation for emerging septic shock. (2015) Mouncey, Paul R; Osborn, Tiffany M; Power, G Sarah; Harrison, David A; Sadique, M Zia; Grieve, Richard D; Jahan, Rahi; Tan, Jermaine CK; Harvey, Sheila E; Bell, Derek; Bion, Julian F; Coats, Timothy J; Singer, Mervyn; Young, J Duncan; Rowan, Kathryn M

Reduced exposure to vasopressors through permissive hypotension to reduce mortality in critically ill people aged 65 and over: the 65 RCT. (2021) Mouncey, Paul R; Richards-Belle, Alvin; Thomas, Karen; Harrison, David A; Sadique, M Zia; Grieve, Richard D; Camsooksai, Julie; Darnell, Robert; Gordon, Anthony C; Henry, Doreen; Hudson, Nicholas; Mason, Alexina J; Saull, Michelle; Whitman, Chris; Young, J Duncan; Lamontagne, François; Rowan, Kathryn M; 65 trial investigators

A nurse-led, preventive, psychological intervention to reduce PTSD symptom severity in critically ill patients: the POPPI feasibility study and cluster RCT. (2019) Mouncey, Paul R; Wade, Dorothy; Richards-Belle, Alvin; Sadique, Zia; Wulff, Jerome; Grieve, Richard; Emerson, Lydia M; Brewin, Chris R; Harvey, Sheila; Howell, David; Hudson, Nicholas; Khan, Imran; Mythen, Monty; Smyth, Deborah; Weinman, John; Welch, John; Harrison, David A; Rowan, Kathryn M

Multilevel models for cost-effectiveness analyses that use cluster randomised trial data: An approach to model choice. (2013) Ng, Edmond S-W; Diaz-Ordaz, Karla; Grieve, Richard; Nixon, Richard M; Thompson, Simon G; Carpenter, James R

Two-Stage Nonparametric Bootstrap Sampling with Shrinkage Correction for Clustered Data. (2013) Ng, Edmond S-W; Grieve, Richard; Carpenter, James R

Diabetes association with self-reported health, resource utilization, and prognosis post-myocardial infarction. (2020) Nicolau, José C; Brieger, David; Owen, Ruth; Furtado, Remo HM; Goodman, Shaun G; Cohen, Mauricio G; Simon, Tabassome; Westermann, Dirk; Granger, Christopher B; Grieve, Richard; Yasuda, Satoshi; Chen, Jiyan; Hedman, Katarina; Mellström, Carl; Brandrup-Wognsen, Gunnar; Pocock, Stuart J

Referral to an extracorporeal membrane oxygenation center and mortality among patients with severe 2009 influenza A(H1N1). (2011) Noah, Moronke A; Peek, Giles J; Finney, Simon J; Griffiths, Mark J; Harrison, David A; Grieve, Richard; Sadique, M Zia; Sekhon, Jasjeet S; McAuley, Daniel F; Firmin, Richard K; Harvey, Christopher; Cordingley, Jeremy J; Price, Susanna; Vuylsteke, Alain; Jenkins, David P; Noble, David W; Bloomfield, Roxanna; Walsh, Timothy S; Perkins, Gavin D; Menon, David; Taylor, Bruce L; Rowan, Kathryn M

A comparison of methods for health policy evaluation with controlled pre-post designs. (2020) O'Neill, Stephen; Kreif, Noemi; Sutton, Matt; Grieve, Richard

Estimating causal effects: considering three alternatives to difference-in-differences estimation. (2016) O'Neill, Stephen; Kreif, Noémi; Grieve, Richard; Sutton, Matthew; Sekhon, Jasjeet S

Comparison of methods for predicting COVID-19-related death in the general population using the OpenSAFELY platform. (2022) OpenSAFELY Collaborative; Williamson, Elizabeth J; Tazare, John; Bhaskaran, Krishnan; McDonald, Helen I; Walker, Alex J; Tomlinson, Laurie; Wing, Kevin; Bacon, Sebastian; Bates, Chris; Curtis, Helen J; Forbes, Harriet J; Minassian, Caroline; Morton, Caroline E; Nightingale, Emily; Mehrkar, Amir; Evans, David; Nicholson, Brian D; Leon, David A; Inglesby, Peter; MacKenna, Brian; Davies, Nicholas G; DeVito, Nicholas J; Drysdale, Henry; Cockburn, Jonathan; Hulme, William J; Morley, Jessica; Douglas, Ian; Rentsch, Christopher T; Mathur, Rohini; Wong, Angel; Schultze, Anna; Croker, Richard; Parry, John; Hester, Frank; Harper, Sam; Grieve, Richard; Harrison, David A; Steyerberg, Ewout W; Eggo, Rosalind M; Diaz-Ordaz, Karla; Keogh, Ruth; Evans, Stephen JW; Smeeth, Liam; Goldacre, Ben

Estimating causal effects: considering three alternatives to difference-in-differences estimation. (2016) O’Neill, S; Kreif, N; Grieve, R; Sutton, M; Sekhon, JS

Early, Goal-Directed Therapy for Septic Shock - A Patient-Level Meta-Analysis. (2017) PRISM Investigators; Rowan, Kathryn M; Angus, Derek C; Bailey, Michael; Barnato, Amber E; Bellomo, Rinaldo; Canter, Ruth R; Coats, Timothy J; Delaney, Anthony; Gimbel, Elizabeth; Grieve, Richard D; Harrison, David A; Higgins, Alisa M; Howe, Belinda; Huang, David T; Kellum, John A; Mouncey, Paul R; Music, Edvin; Peake, Sandra L; Pike, Francis; Reade, Michael C; Sadique, M Zia; Singer, Mervyn; Yealy, Donald M

Lifetime cost effectiveness of different brands of prosthesis used for total hip arthroplasty: a study using the NJR dataset. (2015) Pennington, MW; Grieve, R; van der Meulen, JH description

Cost-Effectiveness of Five Commonly Used Prosthesis Brands for Total Knee Replacement in the UK: A Study Using the NJR Dataset. (2016) Pennington, Mark; Grieve, Richard; Black, Nick; van der Meulen, Jan H

Functional outcome, revision rates and mortality after primary total hip replacement--a national comparison of nine prosthesis brands in England. (2013) Pennington, Mark; Grieve, Richard; Black, Nick; van der Meulen, Jan H

Cemented, cementless, and hybrid prostheses for total hip replacement: cost effectiveness analysis. (2013) Pennington, Mark; Grieve, Richard; Sekhon, Jasjeet S; Gregg, Paul; Black, Nick; van der Meulen, Jan H

Value of External Data in the Extrapolation of Survival Data: A Study Using the NJR Data Set. (2018) Pennington, Mark; Grieve, Richard; der Meulen, Jan Van; Hawkins, Neil

Predicting risk of cardiovascular events 1 to 3 years post-myocardial infarction using a global registry. (2019) Pocock, Stuart J; Brieger, David; Gregson, John; Chen, Ji Y; Cohen, Mauricio G; Goodman, Shaun G; Granger, Christopher B; Grieve, Richard; Nicolau, Jose C; Simon, Tabassome; Westermann, Dirk; Yasuda, Satoshi; Hedman, Katarina; Rennie, Kirsten L; Sundell, Karolina Andersson; TIGRIS Study Investigators

Health-related quality of life 1-3 years post-myocardial infarction: its impact on prognosis. (2021) Pocock, Stuart; Brieger, David B; Owen, Ruth; Chen, Jiyan; Cohen, Mauricio G; Goodman, Shaun; Granger, Christopher B; Nicolau, José C; Simon, Tabassome; Westermann, Dirk; Yasuda, Satoshi; Hedman, Katarina; Mellström, Carl; Andersson Sundell, Karolina; Grieve, Richard

Evaluating treatment effectiveness in patient subgroups: a comparison of propensity score methods with an automated matching approach. (2012) Radice, Rosalba; Ramsahai, Roland; Grieve, Richard; Kreif, Noemi; Sadique, Zia; Sekhon, Jasjeet S

Extending iterative matching methods: an approach to improving covariate balance that allows prioritisation. (2011) Ramsahai, Roland R; Grieve, Richard; Sekhon, Jasjeet S

Verteporfin photodynamic therapy for neovascular age-related macular degeneration: cohort study for the UK. (2012) Reeves, BC; Harding, SP; Langham, J; Grieve, R; Tomlin, K; Walker, J; Guerriero, C; Carpenter, J; Patton, WP; Muldrew, KA; Peto, T; Chakravarthy, U

Verteporfin photodynamic therapy cohort study: report 2: clinical measures of vision and health-related quality of life. (2009) Reeves, Barnaby C; Langham, Julia; Walker, Jemma; Grieve, Richard; Chakravarthy, Usha; Tomlin, Keith; Carpenter, James; Guerriero, Carla; Harding, Simon P; Verteporfin Photodynamic Therapy Cohort Study Group

FIRST-line support for assistance in breathing in children (FIRST-ABC): a master protocol of two randomised trials to evaluate the non-inferiority of high-flow nasal cannula (HFNC) versus continuous positive airway pressure (CPAP) for non-invasive respiratory support in paediatric critical care. (2020) Richards-Belle, Alvin; Davis, Peter; Drikite, Laura; Feltbower, Richard; Grieve, Richard; Harrison, David A; Lester, Julie; Morris, Kevin P; Mouncey, Paul R; Peters, Mark J; Rowan, Kathryn M; Sadique, Zia; Tume, Lyvonne N; Ramnarayan, Padmanabhan

Psychological Outcomes following a nurse-led Preventative Psychological Intervention for critically ill patients (POPPI): protocol for a cluster-randomised clinical trial of a complex intervention. (2018) Richards-Belle, Alvin; Mouncey, Paul R; Wade, Dorothy; Brewin, Chris R; Emerson, Lydia M; Grieve, Richard; Harrison, David A; Harvey, Sheila; Howell, David; Mythen, Monty; Sadique, Zia; Smyth, Deborah; Weinman, John; Welch, John; Rowan, Kathryn M; POPPI Trial Investigators

Is Drotrecogin alfa (activated) for adults with severe sepsis, cost-effective in routine clinical practice? (2011) Sadique, M Zia; Grieve, Richard; Harrison, David A; Cuthbertson, Brian H; Rowan, Kathryn M

Cost-Effectiveness Of Early Parenteral Versus Enteral Nutrition In Critically Ill Patients. (2015) Sadique, Z; Grieve, R; Harrison, D; Rowan, K

An integrated approach to evaluating alternative risk prediction strategies: a case study comparing alternative approaches for preventing invasive fungal disease. (2013) Sadique, Z; Grieve, R; Harrison, DA; Jit, M; Allen, E; Rowan, KM; FIRE Study Investigators

Effectiveness and cost-effectiveness of early nutritional support via the parenteral versus the enteral route for critically ill adult patients. (2018) Sadique, Z; Harrison, DA; Bear, DE; Rowan, KM; Grieve, R; CALORIES trial investigators

A Comparison of Ordered Categorical versus Discrete Choices within a Stated Preference Survey of Whole-Blood Donors. (2022) Sadique, Zia; Cairns, John; De Corte, Kaat; Willis, Sarah; Miners, Alec; Bansback, Nick; Grieve, Richard

A Machine-Learning Approach for Estimating Subgroup- and Individual-Level Treatment Effects: An Illustration Using the 65 Trial. (2022) Sadique, Zia; Grieve, Richard; Diaz-Ordaz, Karla; Mouncey, Paul; Lamontagne, Francois; O'Neill, Stephen

Cost-effectiveness of a cardiac output-guided haemodynamic therapy algorithm in high-risk patients undergoing major gastrointestinal surgery. (2015) Sadique, Zia; Harrison, David A; Grieve, Richard; Rowan, Kathryn M; Pearse, Rupert M; OPTIMISE study group

A matching method for improving covariate balance in cost-effectiveness analyses. (2012) Sekhon, Jasjeet Singh; Grieve, Richard D

Adapting Patient and Public Involvement processes in response to the Covid-19 pandemic. (2023) Snowdon, Claire; Silver, Elizabeth; Charlton, Paul; Devlin, Brian; Greenwood, Emma; Hutchings, Andrew; Moug, Susan; Vohra, Ravinder; Grieve, Richard

An Approach to Assess Generalizability in Comparative Effectiveness Research: A Case Study of the Whole Systems Demonstrator Cluster Randomized Trial Comparing Telehealth with Usual Care for Patients with Chronic Health Conditions. (2015) Steventon, Adam; Grieve, Richard; Bardsley, Martin

A comparison of alternative strategies for choosing control populations in observational studies. (2015) Steventon, Adam; Grieve, Richard; Sekhon, Jasjeet S

Effects of hypertonic saline, alternate day and daily rhDNase on healthcare use, costs and outcomes in children with cystic fibrosis. (2002) Suri, R; Grieve, R; Normand, C; Metcalfe, C; Thompson, S; Wallis, C; Bush, A

Comparison of hypertonic saline and alternate-day or daily recombinant human deoxyribonuclease in children with cystic fibrosis: a randomised trial. (2001) Suri, R; Metcalfe, C; Lees, B; Grieve, R; Flather, M; Normand, C; Thompson, S; Bush, A; Wallis, C

A comparative study of hypertonic saline, daily and alternate-day rhDNase in children with cystic fibrosis. (2002) Suri, R; Wallis, C; Bush, A; Thompson, S; Normand, C; Flather, M; Grieve, R; Metcalfe, C; Lees, B

Evaluating the clinical and cost-effectiveness of permissive hypotension in critically ill patients aged 65 years or over with vasodilatory hypotension: Statistical and health economic analysis plan for the 65 trial in article. (2020) Thomas, Karen; Patel, Akshay; Sadique, M Zia; Grieve, Richard D; Mason, Alexina J; Moler, Silvia; Gordon, Anthony C; Rowan, Kathryn M; Mouncey, Paul R; Lamontagne, Francois; Harrison, David A

Evaluating the clinical and cost-effectiveness of permissive hypotension in critically ill patients aged 65 years or over with vasodilatory hypotension: Statistical and Health Economic Analysis Plan for the 65 trial. (2019) Thomas, Karen; Patel, Akshay; Sadique, M Zia; Grieve, Richard D; Mason, Alexina J; Moler, Silvia; Gordon, Anthony C; Rowan, Kathryn M; Mouncey, Paul R; Lamontagne, Francois; Harrison, David A description

Addressing the issues that arise in analysing multicentre cost data, with application to a multinational study. (2006) Thompson, Simon G; Nixon, Richard M; Grieve, Richard

Response rates to combination therapy for chronic HCV infection in a clinical setting and derivation of probability tables for individual patient management. (2008) Thomson, BJ; Kwong, G; Ratib, S; Sweeting, M; Ryder, SD; De Angelis, D; Grieve, R; Irving, WL; Trent HCV Study Group

Acupuncture of chronic headache disorders in primary care: randomised controlled trial and economic analysis. (2004) Vickers, AJ; Rees, RW; Zollman, CE; McCarney, R; Smith, CM; Ellis, N; Fisher, P; Van Haselen, R; Wonderling, D; Grieve, R

Effect of a Nurse-Led Preventive Psychological Intervention on Symptoms of Posttraumatic Stress Disorder Among Critically Ill Patients: A Randomized Clinical Trial. (2019) Wade, Dorothy M; Mouncey, Paul R; Richards-Belle, Alvin; Wulff, Jerome; Harrison, David A; Sadique, M Zia; Grieve, Richard D; Emerson, Lydia M; Mason, Alexina J; Aaronovitch, David; Als, Nicole; Brewin, Chris R; Harvey, Sheila E; Howell, David CJ; Hudson, Nicholas; Mythen, Monty G; Smyth, Deborah; Weinman, John; Welch, John; Whitman, Chris; Rowan, Kathryn M; POPPI Trial Investigators

Rationale and design of the long-Term rIsk, clinical manaGement, and healthcare Resource utilization of stable coronary artery dISease in post-myocardial infarction patients (TIGRIS) study. (2017) Westermann, Dirk; Goodman, Shaun G; Nicolau, José C; Requena, Gema; Maguire, Andrew; Chen, Ji Yan; Granger, Christopher B; Grieve, Richard; Pocock, Stuart J; Blankenberg, Stefan; Vega, Ana Maria; Yasuda, Satoshi; Simon, Tabassome; Brieger, David; TIGRIS Study Investigators

Review Of Methodological Issues in Cost-Effectiveness Analyses Relating to Injecting Drug Users, and Case-Study Illustrations. (2014) White, Simon R; Bird, Sheila M; Grieve, Richard

Predicting COVID-19 related death using the OpenSAFELY platform. (2021) Williamson, Elizabeth J; Tazare, John; Bhaskaran, Krishnan; McDonald, Helen I; Walker, Alex J; Tomlinson, Laurie; Wing, Kevin; Bacon, Sebastian; Bates, Chris; Curtis, Helen J; Forbes, Harriet; Minassian, Caroline; Morton, Caroline E; Nightingale, Emily; Mehrkar, Amir; Evans, Dave; Nicholson, Brian D; Leon, Dave; Inglesby, Peter; MacKenna, Brian; Davies, Nicholas G; DeVito, Nicholas J; Drysdale, Henry; Cockburn, Jonathan; Hulme, Will; Morley, Jess; Douglas, Ian; Rentsch, Christopher T; Mathur, Rohini; Wong, Angel; Schultze, Anna; Croker, Richard; Parry, John; Hester, Frank; Harper, Sam; Grieve, Richard; Harrison, David A; Steyerberg, Ewout W; Eggo, Rosalind M; Diaz-Ordaz, Karla; Keogh, Ruth; Evans, Stephen JW; Smeeth, Liam; Goldacre, Ben

Study protocol: Comparison of different risk prediction modelling approaches for COVID-19 related death using the OpenSAFELY platform. (2020) Williamson, Elizabeth J; Tazare, John; Bhaskaran, Krishnan; Walker, Alex J; McDonald, Helen I; Tomlinson, Laurie; Bacon, Sebastian; Bates, Chris; Curtis, Helen J; Forbes, Harriet; Minassian, Caroline; Morton, Caroline E; Nightingale, Emily; Mehrkar, Amir; Evans, Dave; Nicholson, Brian D; Leon, David; Inglesby, Peter; MacKenna, Brian; Cockburn, Jonathan; Davies, Nicholas G; Hulme, William; Morley, Jessica; Douglas, Ian J; Rentsch, Christopher T; Mathur, Rohini; Wong, Angel; Schultze, Anna; Croker, Richard; Parry, John; Hester, Frank; Harper, Sam; Perera, Rafael; Grieve, Richard; Harrison, David; Steyerberg, Ewout; Eggo, Rosalind M; Diaz-Ordaz, Karla; Keogh, Ruth; Evans, Stephen JW; Smeeth, Liam; Goldacre, Ben

Factors associated with COVID-19-related death using OpenSAFELY. (2020) Williamson, Elizabeth J; Walker, Alex J; Bhaskaran, Krishnan; Bacon, Seb; Bates, Chris; Morton, Caroline E; Curtis, Helen J; Mehrkar, Amir; Evans, David; Inglesby, Peter; Cockburn, Jonathan; McDonald, Helen I; MacKenna, Brian; Tomlinson, Laurie; Douglas, Ian J; Rentsch, Christopher T; Mathur, Rohini; Wong, Angel YS; Grieve, Richard; Harrison, David; Forbes, Harriet; Schultze, Anna; Croker, Richard; Parry, John; Hester, Frank; Harper, Sam; Perera, Rafael; Evans, Stephen JW; Smeeth, Liam; Goldacre, Ben

OpenSAFELY: factors associated with COVID-19-related hospital death in the linked electronic health records of 17 million adult NHS patients. (2020) Williamson, Elizabeth; Walker, Alex J; Bhaskaran, Krishnan; Bacon, Seb; Bates, Chris; Morton, Caroline E; Curtis, Helen J; Mehrkar, Amir; Evans, David; Inglesby, Peter; Cockburn, Jonathan; McDonald, Helen I; MacKenna, Brian; Tomlinson, Laurie; Douglas, Ian J; Rentsch, Christopher T; Mathur, Rohini; Wong, Angel; Grieve, Richard; Harrison, David; Forbes, Harriet; Schultze, Anna; Croker, Richard; Parry, John; Hester, Frank; Harper, Sam; Perera, Raf; Evans, Stephen; Smeeth, Liam; Goldacre, Ben description

Cost-effectiveness of alternative changes to a national blood collection service. (2018) Willis, S; De Corte, K; Cairns, JA; Zia Sadique, M; Hawkins, N; Pennington, M; Cho, G; Roberts, DJ; Miflin, G; Grieve, R

Cost effectiveness analysis of a randomised trial of acupuncture for chronic headache in primary care. (2004) Wonderling, David; Vickers, Andrew J; Grieve, Richard; McCarney, Rob

Health benefits of antiviral therapy for mild chronic hepatitis C: randomised controlled trial and economic evaluation. (2006) Wright, M; Grieve, R; Roberts, J; Main, J; Thomas, HC; UK Mild Hepatitis C Trial Investigators

Stated versus revealed preferences: An approach to reduce bias. (2021) de Corte, Kaat; Cairns, John; Grieve, Richard

Conference or Workshop Item

Cost-effectiveness analysis of different reimbursement models for patients with severe mental illness. (2007) Grieve, R; Sekhon, J; Kang, SH; Hu, TW; Bloom, J

Neonatal ventilation with inhaled nitric oxide (iNO) versus ventilatory support without iNO for term and near term infants with severe respiratory failure: The INNOVO multicentre randomised controlled trial. (2004) Hardy, P; Field, D; Grieve, R

Thesis

Statistical methods for cost-effectiveness analysis that use cluster-randomised trials. (2012) Gomes, Manuel

Statistical Methods to Address Selection Bias in Economic Evaluations that Use Patient-Level Observational Data. (2013) Kreif, N

Evaluating complex interventions using routinely collected data: Methods to improve the validity of randomised controlled trials and observational studies. (2015) Steventon, A