Table 3 Empirical type 1 error (size) of the nine tests in 60,000 simulated samples for low and high event rates
Test | Abbrev. | Low event rate | High event rate | ||
|---|---|---|---|---|---|
| Â | Â | Size (%) | 95% CI | Size (%) | 95% CI |
Logrank | LR | 5.0 | (4.8,5.2) | 5.1 | (4.9,5.3) |
Logrank (early) | LRE | 5.0 | (4.8,5.2) | 5.1 | (5.0,5.3) |
Logrank (late) | LRL | 4.9 | (4.7,5.1) | 5.3 | (5.1,5.4) |
Supremum logrank | SupLR | 4.5 | (4.4,4.7) | 4.6 | (4.5,4.8) |
Joint | J | 5.1 | (4.9,5.3) | 5.0 | (4.9,5.2) |
Combined | C | 4.9 | (4.7,5.1) | 5.0 | (4.8,5.2) |
Weighted combined | WC | 4.8 | (4.6,5.0) | 5.4 | (5.2,5.6) |
Versatile WLR | VWLR | 5.0 | (4.8,5.2) | 5.2 | (5.0,5.4) |
Versatile WLR (modified) | VWLR2 | 5.1 | (4.8,5.1) | 5.2 | (5.0,5.4) |