Table 5.

Hardy-Weinberg equilibrium and association tests for A-2819G and proliferative retinopathy.

Hardy-Weinberg equilibrium		Tests for association (C.I.: 95% confidence interval)
Background	Proliferative	Risk allele		Armitage's trend test
n = 55	n = 57	[AA versus GG]	[AA versus AG+GG]	Common odd ratio
		O.R. = 6.30	O.R. = 2.42	O.R. = 3.57
		C.I. = [0.29–135.68]	C.I. = [1.057–5.56]
P = .37	P = .57	P = .12	P = .03	P = .02