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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