Table 2.

p-values for some chosen outcomes for comparing two experimental arms with two-stage designs (a₁/n₁, a/n) = (10/57, 19/90) and (a₁/n₁, a/n) = (4/21, 10/45) at α = 0.1 and δ = .05.

Arm x			Arm y
m	s	p̂ (m, s)	m	s	p̂ (m, s)	p-value
2	33	0.333	2	20	0.407	0.2180
2	33	0.333	2	25	0.500	0.0277
2	33	0.333	2	30	0.600	0.0019
2	33	0.333	2	35	0.700	0.0001
2	33	0.333	2	40	0.800	0.0000