Education and debate
Measuring inconsistency in meta-analyses
- Julian P T Higgins
- Simon G Thompson
- Jonathan J Deeks
- Douglas G Altman
BMJ 327(7414):p 557-560, September 6, 2003.
Cochrane Reviews have recently started including the quantity I2 to help readers assess the consistency of the results of studies in meta-analyses. What does this new quantity mean, and why is assessment of heterogeneity so important to clinical practice?
Copyright © British Medical Journal 2003.
