Table 1

Type of methodological quality assessment recommended to be used by Cochrane Review Groups. Values are numbers (percentages)

Type
Recommended (n = 50)

Component
41 (82)

     Component explicitly recommended, reservations towards scales
16 (32)
     Component explicitly recommended
18 (36)
     Component recommended through quotation of Cochrane Handbook
3 (6)
     Component assumed recommended as there was no information
4 (8)

Scale
9 (18)

     Scale explicitly recommended
7 (14)
     Scale optional
2 (4)

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