Table 4: Genotype frequency distribution and allelic frequencies of MTHFR (rs1801133) and TERT (rs2736100) polymorphisms for nonexposed and exposed groups.

GenotypeNonexposed ()Exposed ()

MTHFR
 CC1710
 CT2115
 TT213
Allelic frequencies
 C0.690.46
 T0.310.54
TERT
 GG127
 GT1619
 TT1213
Allelic frequencies
 G0.500.42
 T0.500.58