Table 3

Recommendations by Cochrane Review Groups for using quality assessments of individual studies in reviews. Values are numbers (percentages)

Approach recommended
All (n = 50)
Components (n = 41)
Scales (n = 9)

Analytical approach
28 (56)
20 (49)
8 (89)
Descriptive approach
1 (2)
1 (2)
0 (0)
No information
21 (42)
20 (49)
1 (11)

Lundh and Gøtzsche BMC Medical Research Methodology 2008 8:22   doi:10.1186/1471-2288-8-22