Table 2 Genotype and allele frequencies of MTHFR (C677T) variants in primary glaucoma patients and matched controls

CC

137

65.24

210

75.00

0.02^a

0.63

0.194

CT

73

34.76

70

25.00

0.02^a

1.60

0.191^b

TT

0

0

0

-

-

-

-

C-allele

347

82.62

490

87.50

0.03^a

0.68

0.152

T-allele

73

17.38

70

12.50

0.03^a

1.47

0.163^b