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November 21, 2007

Data Discrepancies in Meta-analyses That Use Standarized Mean Differences—Reply

Author Affiliations

Letters Section Editor: Robert M. Golub, MD, Senior Editor.

JAMA. 2007;298(19):2261-2263. doi:10.1001/jama.298.19.2262

In Reply: Dr McGuire and colleagues are correct that the Edmonds et al1 meta-analysis SMD result presented in Figure 4 of our article is erroneous and should have been “−0.77 (95% CI, −1.26 to −0.28).” The incorrect value in the figure was the one that appeared in Figure 1 in the version of their Cochrane review that was current the summer of 2005, which we used in our study.

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