Table 3 Chromosomal damage between genotypes of MTHFR in BD-exposed workers

CC

11

7.73 ± 4.38

2.73 ± 3.61

2.00 ± 2.00*

2.22 ± 0.11

 CT

23

7.61 ± 3.29

2.96 ± 2.84

2.87 ± 1.98*

2.22 ± 0.12

 TT

9

8.89 ± 4.62

1.56 ± 1.33

5.33 ± 2.60

2.13 ± 0.12

 AA

28

8.21 ± 3.91

2.07 ± 2.80

3.21 ± 2.50

2.19 ± 0.14

 AC

14

7.50 ± 3.78

3.64 ± 2.76

3.07 ± 2.20

2.22 ± 0.11

 CC

1

5

3

3

2.13

 AC/CC

15

7.33 ± 3.70

3.60 ± 2.67

3.07 ± 2.12

2.21 ± 0.14