Table 2.
Distribution of individual genotypes among CT (+) and CT (-) tumors
| Polymorphism | Genotype | CT (+) Tumors, n (%) | CT (-) Tumors, n (%) | χ2 | P* |
|---|---|---|---|---|---|
|
MTHFR 677 C>T (rs1801133) |
CC |
13 (62%) |
7 (24%) |
7.30 |
0.03 |
| CT |
5 (24%) |
15 (52%) |
|||
| TT |
3 (14%) |
7 (24%) |
|||
|
MTHFR 1298 A>C (rs1801131) |
AA |
13 (62%) |
14 (48%) |
0.91 |
0.63 |
| AC |
7 (33%) |
13 (45%) |
|||
| CC |
1 (5%) |
2 (7%) |
|||
|
MTR 2756 A>G (rs1805087) |
AA |
14 (67%) |
22 (76%) |
0.51 |
0.53** |
| AG |
7 (33%) |
7 (24%) |
|||
| GG |
0 (0%) |
0 (0%) |
|||
|
MTRR 66 A>G (rs1801394) |
AA |
4 (19%) |
9 (31%) |
0.92 |
0.63 |
| AG |
10 (48%) |
12 (41%) |
|||
| GG |
7 (33%) |
8 (28%) |
|||
|
RFC 80 G>A (rs1051266) |
GG |
6 (29%) |
12 (41%) |
1.90 |
0.39 |
| GA |
9 (43%) |
13 (45%) |
|||
| AA | 6 (29%) | 4 (14%) |
* Chi-square (2 degrees of freedom); ** Fisher’s exact test, two sided.