. 2015 Nov 18;2:34–53. doi: 10.1016/j.conctc.2015.10.002

Table 2.

Selected Powers and Sample Sizes at One-sided α = 0.025 for the Combination Test at the Specified DRDS Design Parameter Values and the Hypothetical Distributions of a HDRS17 Subscale Score under Treatment and Placebo as given in Table 1 (DRDS Design Parameter Values: r₁ = 2, r₂ = 1, c = 2.50, γ = 0.42), Δ = α₁*Δ₁ + α₂*Δ_2|C.

μ_1T	μ_1P	Δ₁	σ₁	ρ_P	ρ_T	Δ_2\|C	σ_2\|C	Δ	1 − β	N₁	n_1T	n_2T
3.30	3.00	0.30	2.42	0.80	0.20	1.43	3.18	0.42	80%	960	320	134
									85%	1098	366	154
									90%	1287	429	180
				0.80	0.50	0.88	3.28	0.38	80%	1338	446	187
									85%	1587	529	222
									90%	1893	631	265