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Table 4 Type of analytical approach recommended to be used in reviews by Cochrane Review Groups. Values are numbers (percentages)

From: Recommendations by Cochrane Review Groups for assessment of the risk of bias in studies

Type of analytical approach* All (n = 28) Components (n = 20) Scales (n = 8)
Sensitivity analysis 24 (86) 17 (85) 7 (88)
Threshold 7 (25) 4 (20) 3 (38)
Subgroup analysis 7 (25) 4 (20) 3 (38)
Cumulative analysis 3 (11) 1 (5) 2 (25)
Weights 2 (7) 1 (5) 1 (13)
Meta-regression 1 (4) 0 (0) 1 (13)
  1. * More than one answer possible