Table 2:

Power Estimates and Type I error control for the log-rank test versu, randomization test (Wilcoxon and $t$), Cox proportional hazards model with varying number of prognostic factors.

Power
${\beta }_4$	${\beta }_3$	${\beta }_2$	${\beta }_1$	LR	UMR-W	UMR-T	Cox PH
0	0	0	0	0.051	0.039	0.040	0.042
0	0	2	0	0.054	0.056	0.058	0.065
2	0	0	0	0.051	0.055	0.051	0.052
0	2	0	0	0.053	0.059	0.063	0.062
2	0	2	0	0.048	0.035	0.033	0.046
2	2	0	0	0.057	0.048	0.049	0.061
0	2	2	0	0.047	0.069	0.072	0.046
2	2	2	0	0.041	0.043	0.043	0.053
0	0	0	2	1.000	1.000	1.000	1.000
0	0	2	2	0.869	0.974	0.978	1.000
2	0	0	2	0.865	0.981	0.984	0.852
0	2	0	2	0.864	0.984	0.930	0.857
2	0	2	2	0.662	0.941	0.986	0.843
2	2	0	2	0.645	0.921	0.944	0.833
0	2	2	2	0.650	0.931	0.934	0.653
2	2	2	2	0.536	0.868	0.876	0.630