Table 7.
Power properties of Gρ statistics for scenario I censoring (B = 10, 000, n1 = n2 = 120).
| ξ 1 | ξ 2 | ϕ 1 | ϕ 2 | ω 1 | ω 2 | ρ = 0 | ρ = 0.5 | ρ = 1.0 | ρ = 2.0 |
|---|---|---|---|---|---|---|---|---|---|
| 57.3 | 74.0 | 0 | 0 | 57.3 | 74.0 | 0.799 | 0.796 | 0.793 | 0.773 |
| 57.2 | 74.0 | 10 | 10 | 61.5 | 76.6 | 0.750 | 0.749 | 0.744 | 0.733 |
| 57.2 | 74.0 | 20 | 20 | 65.8 | 79.2 | 0.716 | 0.714 | 0.712 | 0.697 |
| 57.2 | 73.9 | 30 | 30 | 70.0 | 81.7 | 0.661 | 0.659 | 0.653 | 0.644 |
| 57.2 | 74.0 | 40 | 40 | 74.3 | 84.4 | 0.599 | 0.598 | 0.598 | 0.591 |
| 57.2 | 74.0 | 0 | 10 | 57.2 | 76.6 | 0.886 | 0.882 | 0.878 | 0.868 |
| 57.3 | 74.0 | 10 | 20 | 61.6 | 79.2 | 0.862 | 0.862 | 0.859 | 0.847 |
| 57.3 | 74.0 | 20 | 30 | 65.8 | 81.8 | 0.836 | 0.834 | 0.831 | 0.821 |
| 57.3 | 74.0 | 30 | 40 | 70.1 | 84.4 | 0.801 | 0.801 | 0.798 | 0.789 |
| 57.2 | 74.1 | 10 | 0 | 61.5 | 74.1 | 0.631 | 0.630 | 0.622 | 0.606 |
| 57.2 | 74.1 | 20 | 10 | 65.8 | 76.7 | 0.580 | 0.577 | 0.573 | 0.560 |
| 57.3 | 74.0 | 30 | 20 | 70.1 | 79.2 | 0.500 | 0.500 | 0.496 | 0.484 |
| 57.3 | 74.0 | 40 | 30 | 74.4 | 81.8 | 0.420 | 0.421 | 0.417 | 0.409 |
| 57.2 | 74.0 | 0 | 20 | 57.2 | 79.2 | 0.946 | 0.944 | 0.941 | 0.933 |
| 57.3 | 74.0 | 10 | 30 | 61.6 | 81.8 | 0.938 | 0.937 | 0.933 | 0.925 |
| 57.2 | 74.0 | 20 | 40 | 65.8 | 84.4 | 0.926 | 0.926 | 0.923 | 0.917 |
| 57.2 | 73.9 | 20 | 0 | 65.8 | 73.9 | 0.425 | 0.423 | 0.419 | 0.405 |
| 57.2 | 74.0 | 30 | 10 | 70.0 | 76.6 | 0.352 | 0.350 | 0.345 | 0.334 |
| 57.2 | 74.0 | 40 | 20 | 74.3 | 79.2 | 0.277 | 0.278 | 0.276 | 0.267 |
| 57.3 | 74.0 | 0 | 30 | 57.3 | 81.8 | 0.976 | 0.976 | 0.974 | 0.970 |
| 57.3 | 74.1 | 10 | 40 | 61.6 | 84.5 | 0.978 | 0.977 | 0.977 | 0.974 |
| 57.2 | 74.0 | 30 | 0 | 70.0 | 74.0 | 0.233 | 0.233 | 0.232 | 0.227 |
| 57.2 | 74.1 | 40 | 10 | 74.3 | 76.7 | 0.169 | 0.168 | 0.166 | 0.161 |
T1 ~ Weib(δ1 = 0.667, σ1 = 8.217) T2 ~ Weib(δ2 = 0.667, σ2 = 20.867). ξi, i = 1, 2 represents the percentage of observations censored due to insufficient follow-up; ϕi, i = 1, 2 represents the percentage of observations censored due to random censoring; ωi, i = 1, 2 represents the percentage of observations censored due to insufficient follow-up and random censoring.