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

Table 3

Allelic and genotypic frequency distributions of G1n223Arg polymorphisms among subjects with primary infertility, secondary infertility, and controls.

	Primary infertility, n (%)	Secondary infertility, n (%)	Controls, n (%)	χ^2 (P)
Genotypes
AA	1 (0.9)	0 (0.0)	2 (1.7)
AG	26 (24.1)	30 (30.6)	34 (29.6)
GG	81 (75)	68 (69.4)	79 (68.7)	1.2601 (0.5326)
AA + AG	27 (25)	30 (30.6)	36 (31.3)
Alleles
A	12.96	15.31	16.52	0.5160 (0.7726)
G	87.04	84.69	83.48

The number of cases and proportions (in parentheses) is given for the genotypes. Only proportions are given for the alleles. The value represents the Chi-square analysis of genotypes (AA + AG and GG) and alleles (A and G) by groups. for differences among primary infertility, secondary infertility, and controls.