Table 6.
Coverage probabilities of the 95% confidence interval for the inconsistency factor (IF)
| Heterogeneity | No heterogeneity | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| IF = 0 | IF = 0.3 | IF = 0.45 | IF = 0.6 | IF = 1 | IF = 0 | IF = 0.3 | IF = 0.45 | IF = 0.6 | IF = 1 | |
| Frequent Events | ||||||||||
| IVDL | 0.92 | 0.96 | 0.96 | 0.96 | 0.95 | 0.97 | 0.98 | 0.98 | 0.97 | 0.97 |
| KHDL | 0.91 | 0.95 | 0.96 | 0.95 | 0.94 | 0.93 | 0.96 | 0.95 | 0.95 | 0.93 |
| Rare Events | ||||||||||
| IVDL | 0.95 | 0.96 | 0.97 | 0.98 | 0.98 | 0.97 | 0.98 | 0.98 | 0.99 | 0.99 |
| KHDL | 0.93 | 0.95 | 0.96 | 0.96 | 0.96 | 0.93 | 0.96 | 0.96 | 0.96 | 0.95 |
IVDL: inverse variance method with the DerSimonian and Laird estimator, KHDL: Knapp-Hartung method with the DerSimonian and Laird estimator.