Table 1.

Distribution of genotype and allele frequencies of VEGFR-2 -604T/C

	Control group N = 114	DM group N = 123	NPDR group N = 105	PDR group N = 96	P
Genotype, n (%)					0.191
CC	20 (17.6%)	15 (12.2%)	8 (7.6%)	7 (7.3%)
CT	52 (45.6%)	62 (50.4%)	56 (53.3%)	45 (46.9%)
TT	42 (36.8%)	46 (37.4%)	41 (39.1%)	44 (45.8%)
Allele, n (%)					0.198
C	92 (40.4%)	92 (37.4%)	72 (34.3%)	59 (30.7%)
T	136 (59.6%)	154 (62.6%)	138 (65.7%)	133 (69.3%)

DM, diabetes mellitus without DR group; NPDR, non-proliferative DR group; PDR, PDR group.