Ā | Ā | Random-effects model | Fixed-effect model | ||||
---|---|---|---|---|---|---|---|
No. of reviews | MD | SMD | P-value, sign test | MD | SMD | P-value, sign test | |
All reviews | 1068 | 44.5% | 46.7% | <0.0001 | 27.8% | 31.9% | <0.0001 |
I-squared of both MD and SMD <60% | 560 | 50.0% | 52.9% | 0.0004 | 44.0% | 47.9% | <0.0001 |
I-squared of both MD and SMD <30% | 357 | 55.3% | 59.8% | <0.0001 | 53.0% | 57.8% | <0.0001 |