Table 5 Meta-analysis methods
Meta-analysis method | No. included reviews | Percent included reviews1 |
|---|---|---|
Standard fixed effect2 | 54 | 32.5 |
Other fixed effect2 | 9 | 5.4 |
Standard random effects2 | 50 | 30.1 |
Marginal analysis | 3 | 1.8 |
Bayesian methods | 6 | 3.6 |
Multiple analysis methods | 33 | 19.9 |
Other | 1 | 0.6 |
Not stated | 5 | 3.0 |
Meta-regression only | 1 | 0.6 |
Heterogeneity test only | 1 | 0.6 |
Unclear | 3 | 1.8 |