Table 2

Genotype distributions and allele frequencies of polymorphisms of ACE

Variable	ACE polymorphism
Variable	A-240T		I/D		A2350G
Genotype	AA	99	II	103	AA	87
	AT	128	ID	128	AG	142
	TT	40	DD	36	GG	38
	Total	267		267		267
Allele	A	0.610	I	0.625	A	0.592
Allele	T	0.390	D	0.375	G	0.408