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Review
. 2005 Sep 3;331(7515):507-9.
doi: 10.1136/bmj.331.7515.507.

Analysis of quality of interventions in systematic reviews

Robert D Herbert  1 , Kari Bø
Affiliations
Review

Analysis of quality of interventions in systematic reviews

Robert D Herbert et al. BMJ. .

Abstract

The quality of interventions can affect the results of clinical trials. Reviews of complex interventions need to take this into account

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Figures

Figure 1
Figure 1
Effect of training pelvic floor muscle on urinary incontinence in pregnancy. Pooled estimate for all trials with sufficient data (top) and excluding a trial without supervised exercise (bottom)
See this image and copyright information in PMC

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