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Table 4 Number of comparisons per review, outcomes per comparison and meta-analyses per review in the CDSR.

From: Characteristics of meta-analyses and their component studies in the Cochrane Database of Systematic Reviews: a cross-sectional, descriptive analysis

  Min 25% Median 75% Max
Number of comparisons in 2321 reviews 1 1 1 2 23
Number of outcomes in 4755 comparisons 1 1 3 6 68
Number of meta-analyses in 2321 reviews 1 3 6 12 128