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Table 3 Our assessments of the 60 reviews in relation to their handling of heterogeneity

From: Dealing with substantial heterogeneity in Cochrane reviews. Cross-sectional study

  Reviews Per cent
Overall acceptable methodological quality 40 (67%)
Rationale given for choice of model 27 (45%)
Valid reservations against results 36 (60%)
Explanation of causes of heterogeneity 40 (67%)
Explanation reasonable 36 (60%)
Heterogeneity addressed statistically in the analysis 39 (65%)