Table 4.

Disjunctive (${\mathrm{\Omega }}_d$) and conjunctive (${\mathrm{\Omega }}_c$) powers by the timing of the addition of the second arm and the correlation between the test statistics of the two pairwise comparisons.

Time $E_2$ started	$\mathrm{Allocation}\mathrm{Ratio}=0.5$			$\mathrm{Allocation}\mathrm{Ratio}=1$			$\mathrm{Allocation}\mathrm{Ratio}=2$
	${\rho }_{12}^{*}$	${\mathrm{\Omega }}_d$	${\mathrm{\Omega }}_c$	${\rho }_{12}^{*}$	${\mathrm{\Omega }}_d$	${\mathrm{\Omega }}_c$	${\rho }_{12}^{*}$	${\mathrm{\Omega }}_d$	${\mathrm{\Omega }}_c$
0.0	0.33	0.977	0.823	0.50	0.968	0.833	0.66	0.956	0.844
0.2	0.29	0.979	0.821	0.43	0.972	0.828	0.58	0.963	0.837
0.4	0.25	0.980	0.819	0.36	0.975	0.825	0.49	0.968	0.832
0.6	0.20	0.983	0.817	0.29	0.979	0.821	0.41	0.972	0.827
0.8	0.17	0.984	0.816	0.23	0.982	0.819	0.33	0.977	0.823
1.0	0.13	0.986	0.815	0.18	0.984	0.817	0.26	0.980	0.820
1.2	0.10	0.987	0.813	0.13	0.986	0.815	0.20	0.983	0.817
1.4	0.07	0.988	0.812	0.09	0.987	0.813	0.14	0.985	0.815
1.6	0.05	0.988	0.812	0.05	0.988	0.812	0.09	0.987	0.813
1.8	0.03	0.989	0.811	0.02	0.989	0.810	0.05	0.988	0.812
2.0	0.01	0.990	0.810	0.01	0.990	0.810	0.02	0.989	0.810