Research Article
New Test for the Comparison of Survival Curves to Detect Late Differences
Table 2
Estimated powers of the weighted log-rank test statistics for late differences.
| (n1, n2) (censoring percent) | LR | GW | TW | PP | MPP | FH (1, 1) | FH (0, 1) | FH (1, 0) | New |
| (100, 100) (0) | 0.7390 | 0.2726 | 0.4584 | 0.2726 | 0.2690 | 0.5266 | 0.9160 | 0.2682 | 0.8752 | (100, 100) (20) | 0.6306 | 0.2232 | 0.3762 | 0.2232 | 0.2200 | 0.5428 | 0.8512 | 0.2660 | 0.7882 | (100, 100) (40) | 0.5056 | 0.1800 | 0.2824 | 0.1800 | 0.1776 | 0.5326 | 0.7380 | 0.2524 | 0.6742 | (100, 100) (60) | 0.3448 | 0.1372 | 0.2098 | 0.1372 | 0.1354 | 0.4528 | 0.5578 | 0.2274 | 0.4958 | (80, 80) (0) | 0.6286 | 0.2102 | 0.3628 | 0.2102 | 0.2068 | 0.4338 | 0.8436 | 0.2066 | 0.8182 | (80, 80) (20) | 0.5302 | 0.1840 | 0.3062 | 0.1840 | 0.1800 | 0.4620 | 0.7608 | 0.2206 | 0.7338 | (80, 80) (40) | 0.4156 | 0.1560 | 0.2414 | 0.1560 | 0.1536 | 0.4522 | 0.6454 | 0.2172 | 0.6072 | (80, 80) (60) | 0.2980 | 0.1114 | 0.1702 | 0.1114 | 0.1104 | 0.3910 | 0.4880 | 0.1848 | 0.4606 | (50, 50) (0) | 0.4190 | 0.1402 | 0.2286 | 0.1402 | 0.1378 | 0.2868 | 0.6272 | 0.1376 | 0.6764 | (50, 50) (20) | 0.3410 | 0.1206 | 0.1920 | 0.1206 | 0.1184 | 0.2964 | 0.5306 | 0.1404 | 0.5508 | (50, 50) (40) | 0.2670 | 0.1056 | 0.1576 | 0.1056 | 0.1040 | 0.2908 | 0.4284 | 0.1396 | 0.4512 | (50, 50) (60) | 0.1812 | 0.0848 | 0.1204 | 0.0848 | 0.0842 | 0.2428 | 0.3084 | 0.1270 | 0.3258 | (20, 20) (0) | 0.1678 | 0.0776 | 0.1100 | 0.0776 | 0.0730 | 0.1396 | 0.2690 | 0.0730 | 0.3546 | (20, 20) (20) | 0.1518 | 0.0716 | 0.0974 | 0.0716 | 0.0704 | 0.1476 | 0.2360 | 0.0784 | 0.2782 | (20, 20) (40) | 0.1194 | 0.0652 | 0.0832 | 0.0652 | 0.0642 | 0.1342 | 0.1894 | 0.0752 | 0.2156 | (20, 20) (60) | 0.0960 | 0.0580 | 0.0712 | 0.0580 | 0.0558 | 0.1272 | 0.1580 | 0.0716 | 0.1734 |
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