Descriptive results of included meta-analyses by type of outcome and intervention
| Cochrane (n=83) | Non-Cochrane (n=54) | All reviews (n=137) | |
| % (n/N) | % (n/N) | % (n/N) | |
| Type of outcome | |||
| All cause mortality | 16.8 (14/83) | 22.2 (12/54) | 19 (26/137) |
| Semiobjective | 21.7 (18/83) | 44.4 (24/54) | 30.7 (42/137) |
| Subjective | 61.4 (51/83) | 33.3 (18/54) | 50.4 (69/137) |
| Type of intervention | |||
| Pharmacological | 56.6 (47/83) | 62.9 (34/54) | 59.1 (81/137) |
| Non-pharmacological | 44.6 (36/83) | 35.2 (20/54) | 40.9 (56/137) |