Table 1. Frequency of allelic variants of polymorphisms of the eNOS gene in NTG and HTG patients.

rs 179993
	TT	GG	GT	p value	G allele	T allele	p value
NTG	13(8.6%)	57(37.5%)	82(53.9%)	0,009	196(64.5%)	108(35.5%)	0,022
HTG	8(8.2%)	55(56.7%)	34(35.1%)		144(74.2%)	50(25.8%)
rs 2070744
	TT		CT	p value	C allele	T allele	p value
NTG	56(36.4%)	20(13.0%)	78(50.6%)	0,330	118(38.3%)	190(61.7%)	0,165
HTG	49(45.4%)	11(10.2%)	48(44.4%)		70(32.7%)	146(67.3%)