Table 1.
Characteristics of eligible index meta-analyses in study
| Characteristic | No (%) |
|---|---|
| Cochrane review: | |
| Yes | 27 (37) |
| No | 46 (63) |
| Type of condition: | |
| Cardiovascular disease | 14 (19) |
| Gastroenterology | 9 (12) |
| Neurology | 8 (11) |
| Hematology/oncology | 7 (10) |
| Psychiatry | 6 (8) |
| Pulmonary disease | 5 (7) |
| Surgery | 5 (7) |
| Obstetrics and gynecology | 5 (7) |
| Other | 14 (19) |
| Type of intervention: | |
| Drugs/biologics | 49 (67) |
| Surgical/interventional | 12 (17) |
| Behavioral/psychological | 5 (7) |
| Physical therapy | 4 (5) |
| Other | 3 (4) |
| Country: | |
| United Kingdom | 18 (25) |
| United States | 11 (15) |
| Canada | 8 (11) |
| China | 7 (9) |
| Australia | 5 (7) |
| Other | 24 (33) |