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. Author manuscript; available in PMC: 2022 Dec 7.
Published in final edited form as: Stat Methods Med Res. 2021 Jul 7;30(9):2057–2074. doi: 10.1177/09622802211017592

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.