A comparison of summary patient-level covariates in meta-regression with individual patient data meta-analysis.
Lambert P C, Sutton A J, Abrams K R, +1 more·Journal of clinical epidemiology
OBJECTIVES: To compare meta-analysis of summary study level data with the equivalent individual patient data (IPD) analysis when interest lies in identification of binary patient characteristics related to treatment efficacy. DESIGN: A simulation study comparing meta-regression with IPD analyses of randomized controll…