Details of meta-analysis under the random-effects model
| Point Estimate | Standard Error | Variance | Lower Limit | Upper Limit | Z value | P value | |
|---|---|---|---|---|---|---|---|
| ≤6 Weeks | 5.18 | 0.263 | 0.069 | 4.66 | 5.70 | 19.683 | <.001 |
| 6–24 Weeks | 4.90 | 0.406 | 0.165 | 4.11 | 5.70 | 12.081 | <.001 |
| >24 Weeks | 5.04 | 0.547 | 0.299 | 3.97 | 6.11 | 6.110 | <.001 |