Assessing heterogeneity in meta-analysis: what Q, I², Tau², and prediction intervals do and do not tell us

Article type
Authors
Siemens W1, Schandelmaier S2, Borenstein M3
1Institute for Evidence in Medicine, Medical Center - University of Freiburg, Faculty of Medicine, Freiburg, Deutschland
2Division of Clinical Epidemiology, Department of Clinical Research, CLEAR Methods Center, University of Basel, Basel, Switzerland; MTA-PTE Lendület "Momentum" Evidence in Medicine Research Group, Medical School, University of Pécs, Pécs, Hungary
3Biostat, Inc., Englewood,, New Jersey, USA