Table 2.

Allele frequency and Hardy–Weinberg equilibrium (HWE) analysis.

Group	Genotype of CCR5Δ32 (freq. %)			Allelic frequency (λ)		Δ32	Chi-squared	p value (1 df)
	Wt/wt	Wt/Δ32	Δ32/Δ32	p 2	q 2
Healthy	291 (97%)	9 (3%)	0 (0%)	0.985	0.015	0.015	0.069	0.792
HIV-1-infected	139 (99.28%)	1 (0.72%)	0 (0%)	0.997	0.003	0.003	0.001	0.966