表 1. Frequencies of ACEgene I/D genotype and allele in PCOS patients compared with the controls .

PCOS与对照组之间ACE基因I/D基因型和等位基因频率分布

Index	Frequencies (case)
	Controls (n=825)	PCOS patients (n=1 020)	χ2/P
Genotype			χ2=0.881，P=0.644
II	0.425 (351)	0.421 (429)
ID	0.456 (376)	0.446 (455)
DD	0.119 (98)	0.133 (136)
Allele			χ2=0.377，P=0.539
I	0.653 (1 078)	0.644 (1 313)
D	0.347 (572)	0.356 (727)