Undue reliance on I 2 in assessing heterogeneity may mislead
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Open Access
- 27 November 2008
- journal article
- research article
- Published by Springer Nature in BMC Medical Research Methodology
- Vol. 8 (1) , 79
- https://doi.org/10.1186/1471-2288-8-79
Abstract
The heterogeneity statistic I2, interpreted as the percentage of variability due to heterogeneity between studies rather than sampling error, depends on precision, that is, the size of the studies included.Keywords
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