Table 2 Maximum and minimum numbers of contributing estimates for meta-analyses in the same included review
Maximum no. data observations1 | Minimum no. data observations | No. included reviews (%)2 |
|---|---|---|
2−5 | 2−5 | 17 (10.4) |
6−10 | 2−5 | 34 (20.7) |
6−10 | 6−10 | 6 (3.7) |
11−20 | 2−5 | 50 (30.5) |
11−20 | 6−10 | 5 (3.0) |
11−20 | 11−20 | 4 (2.4) |
>20 | 2−5 | 29 (17.7) |
>20 | 6−10 | 12 (7.3) |
>20 | 11−20 | 3 (1.8) |
>20 | >20 | 4 (2.4) |