Joie Ensor

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Simulation-based power calculations for planning a two-stage individual participant data meta-analysis

Richard D Riley, Kym I E Snell, Joie Ensor, 2018, BMC Medical Research Methodology.

TABLE 42, [Analysis of alternative decision rules...].

Richard D Riley, Susan Bayliss, Susan Jowett, 2016 .

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

Richard D Riley, Joie Ensor, Danielle L Burke, 2016, Statistics in medicine.

Temporal recalibration for improving prognostic model development and risk predictions in settings where survival is improving over time

Richard D Riley, Joie Ensor, Sarah Booth, 2020, International journal of epidemiology.

Guidance for deriving and presenting percentage study weights in meta‐analysis of test accuracy studies

Richard D Riley, Kym I E Snell, Joie Ensor, 2018, Research synthesis methods.

Deriving percentage study weights in multi-parameter meta-analysis models: with application to meta-regression, network meta-analysis and one-stage individual participant data models

Richard D Riley, Joie Ensor, Danielle L Burke, 2017, Statistical methods in medical research.

Calculating the sample size required for developing a clinical prediction model

Richard D Riley, Kym I E Snell, Glen P Martin, 2020, BMJ.

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

Richard D Riley, Kym I E Snell, Gary S Collins, 2016, BMJ.

Model checking results

Richard D Riley, Susan Jowett, Joie Ensor, 2016 .

Meta-analysis of test accuracy studies with multiple and missing thresholds : a multivariate-normal model

Richard D Riley, Joie Ensor, Atanu Biswas, 2014 .

Multivariate meta-analysis of individual participant data helped externally validate the performance and implementation of a prediction model

Richard D Riley, Kym I E Snell, Karel G M Moons, 2016, Journal of clinical epidemiology.

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

Richard D Riley, Joie Ensor, Danielle L Burke, 2016, Statistics in medicine.

Individual participant data meta‐analysis of continuous outcomes: A comparison of approaches for specifying and estimating one‐stage models

Richard D Riley, Kym I E Snell, Joie Ensor, 2018, Statistics in medicine.

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

Richard D Riley, Gary S Collins, Joie Ensor, 2018, Statistics in medicine.

Meta-analysis of test accuracy studies: an exploratory method for investigating the impact of missing thresholds

Richard D Riley, Joie Ensor, Jonathan J Deeks, 2015, Systematic Reviews.

Prediction of risk of recurrence of venous thromboembolism following treatment for a first unprovoked venous thromboembolism: systematic review, prognostic model and clinical decision rule, and economic evaluation.

Richard D Riley, Susan Bayliss, David Moore, 2016, Health technology assessment.

Protocol for a systematic review of prognostic models for the recurrence of venous thromboembolism (VTE) following treatment for a first unprovoked VTE

Richard D Riley, Susan Bayliss, David A Fitzmaurice, 2013, Systematic Reviews.

Minimum sample size for developing a multivariable prediction model: Part I – Continuous outcomes

Richard D Riley, Kym I E Snell, Gary S Collins, 2018, Statistics in medicine.

Meta-analysis of prediction model performance across multiple studies: Which scale helps ensure between-study normality for the C-statistic and calibration measures?

Richard D Riley, Joie Ensor, R. Riley, 2017, Statistical methods in medical research.

A guide to systematic review and meta-analysis of prognostic factor studies

Richard D Riley, Kym I E Snell, Gary S Collins, 2019, British Medical Journal.

University of Birmingham A systematic review of prognostic models for recurrent venous thromboembolism (VTE) post treatment of first unprovoked VTE

Richard D Riley, Kym I E Snell, Susan Bayliss, 2016 .