Percentage of reviews meeting systematic review criteria16
| % of total (n=280) | |
| Identified their search sources | 95.7 (268) |
| Had a research question | 90.7 (254) |
| Reported inclusion/exclusion criteria | 79.3 (222) |
| Described their selection of study methods | 70.7 (198) |
| Had a reproducible search strategy | 64.6 (181) |
| Described analysis/synthesis plans | 62.8 (176) |
| Reported critical appraisal of the included studies | 49.3 (138) |