Leptin Receptor Gln223Arg Polymorphism of Human Spermatozoa Associated with Male Infertility in a Chinese Population

Table 2

Genotype distribution and allelic frequencies of Gln223Arg polymorphism in the LEPR gene.

Groups	n	Allelic frequency		Genotypic frequency			value (χ^2, df)
		A	G	AA	AG	GG
Primary infertility	108	0.1296	0.8704	0.009	0.241	0.75	0.8970 (χ^2 = 0.0168, df = 1)
Secondary infertility	98	0.1531	0.8469	0	0.306	0.694	0.7197 (χ^2 = 0.1288, df = 1)
Controls	115	0.1652	0.8348	0.017	0.296	0.687	0.8707 (χ^2 = 0.0265, df = 1)

Only proportions are given for the alleles and genotypes. value <0.05 for differences after the Hardy–Weinberg equilibrium test.