Skip to main content
. 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 6.

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
55.7 72.8 0 0 55.7 72.8 0.810 0.806 0.800 0.780
55.7 72.8 10 10 60.1 75.5 0.783 0.779 0.772 0.750
55.7 72.8 20 20 64.6 78.2 0.738 0.739 0.735 0.723
55.7 72.9 30 30 69.0 81.0 0.689 0.687 0.682 0.667
55.8 72.8 40 40 73.5 83.7 0.632 0.63 0.626 0.615
55.7 72.8 0 10 55.7 75.5 0.894 0.893 0.889 0.875
55.7 72.8 10 20 60.1 78.2 0.874 0.872 0.868 0.853
55.6 72.9 20 30 64.5 81.0 0.860 0.858 0.855 0.842
55.7 72.9 30 40 69.0 83.7 0.831 0.828 0.826 0.816
55.6 72.8 10 0 60.0 72.8 0.660 0.656 0.650 0.631
55.7 72.7 20 10 64.6 75.4 0.585 0.582 0.578 0.560
55.6 72.9 30 20 68.9 78.3 0.538 0.537 0.533 0.523
55.7 72.9 40 30 73.4 81.0 0.458 0.457 0.455 0.447
55.7 72.8 0 20 55.7 78.2 0.952 0.950 0.947 0.936
55.8 72.9 10 30 60.2 81.0 0.943 0.942 0.940 0.931
55.7 72.8 20 40 64.6 83.7 0.930 0.930 0.929 0.923
55.7 72.8 20 0 64.6 72.8 0.446 0.445 0.444 0.427
55.8 72.8 30 10 69.1 75.5 0.376 0.374 0.373 0.363
55.6 72.8 40 20 73.4 78.2 0.307 0.305 0.303 0.296
55.7 72.8 0 30 55.7 81.0 0.982 0.981 0.98 0.976
55.7 72.8 10 40 60.1 83.7 0.979 0.979 0.977 0.974
55.7 72.9 30 0 69.0 72.9 0.248 0.248 0.246 0.239
55.8 72.8 40 10 73.5 75.5 0.181 0.179 0.178 0.171

T1 ~ Exp(σ1 = 5.873) T2 ~ Exp(σ2 = 10.931). 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.