Ensor, Joie

Calculating the sample size required for developing a clinical prediction model

Riley, R. D., Ensor, J., Snell, K. I. E., Harrell, F. E., Martin, G. P., Reitsma, J. B., Moons, K. G. M., Collins, G., & van Smeden, M. (2020) · BMJ

Statistical Methods in EpidemiologyMeta-analysis and systematic reviews

Cited by 2,917

Minimum sample size for developing a multivariable prediction model: PART II - binary and time-to-event outcomes

Riley, R. D., Snell, K. I., Ensor, J., Burke, D. L., Harrell Jr, F. E., Moons, K. G., & Collins, G. S. (2019) · Statistics in Medicine

Statistical Methods in EpidemiologyStatistical Methods and Inference

Cited by 1,409

A guide to systematic review and meta-analysis of prediction model performance

Debray, T. P. A., Damen, J. A. A. G., Snell, K. I. E., Ensor, J., Hooft, L., Reitsma, J. B., Riley, R. D., & Moons, K. G. M. (2017) · BMJ

Meta-analysis and systematic reviewsStatistical Methods in Epidemiology

Cited by 657

External validation of clinical prediction models using big datasets from e-health records or IPD meta-analysis: opportunities and challenges

Riley, R. D., Ensor, J., Snell, K. I. E., Debray, T. P. A., Altman, D. G., Moons, K. G. M., & Collins, G. S. (2016) · BMJ

Statistical Methods in EpidemiologyMachine Learning in Healthcare

Cited by 585

Meta-analysis using individual participant data: One-stage and two-stage approaches, and why they may differ

Burke, D. L., Ensor, J., & Riley, R. D. (2017) · Statistics in Medicine

Meta-analysis and systematic reviewsStatistical Methods and Bayesian Inference

Cited by 538

Minimum sample size for external validation of a clinical prediction model with a binary outcome

Riley, R. D., Debray, T. P. A., Collins, G. S., Archer, L., Ensor, J., van Smeden, M., & Snell, K. I. E. (2021) · Statistics in Medicine

Statistical Methods in EpidemiologyStatistical Methods in Clinical Trials

Cited by 400

Minimum sample size for external validation of a clinical prediction model with a continuous outcome

Archer, L., Snell, K. I. E., Ensor, J., Hudda, M. T., Collins, G. S., & Riley, R. D. (2021) · Statistics in Medicine

Statistical Methods in EpidemiologyStatistical Methods in Clinical Trials

Cited by 198

One-stage individual participant data meta-analysis models: estimation of treatment-covariate interactions must avoid ecological bias by separating out within-trial and across-trial information: One-Stage IPD Meta-Analysis Models Must Avoid Ecological Bias

Hua, H., Burke, D. L., Crowther, M. J., Ensor, J., Tudur Smith, C., & Riley, R. D. (2017) · Statistics in Medicine

Meta-analysis and systematic reviewsStatistical Methods in Clinical Trials

Cited by 113

Systematic review of prognostic models for recurrent venous thromboembolism (VTE) post-treatment of first unprovoked VTE

Ensor, J., Riley, R. D., Moore, D., Snell, K. I. E., Bayliss, S., & Fitzmaurice, D. (2016) · BMJ Open

Venous Thromboembolism Diagnosis and ManagementBlood Coagulation and Thrombosis Mechanisms

Cited by 84