Table 2.
Distribution of MTHFR and CBS genotypes among oral cancer patients and control groups.
| Genotypes | Total | Patients | Controls | p-value |
|---|---|---|---|---|
| n (%) | n (%) | n (%) | ||
| MTHFR C677T | ||||
| CC | 100 (49.2) | 50 (49.5) | 50 (49.0) | 0.438 |
| CT | 86 (42.4) | 45 (44.6) | 41 (40.2) | |
| TT | 17 (8.4) | 6 (5.9) | 11 (10.8) | |
| MTHFR A1298C | ||||
| AA | 113 (55.7) | 60 (59.4) | 53 (52.0) | 0.541 |
| AC | 80 (39.4) | 36 (35.6) | 44 (43.1) | |
| CC | 10 (4.9) | 5 (5.0) | 5 (4.9) | |
| CBS 844ins68 | ||||
| NN | 163 (80.3) | 76 (75.2) | 87 (85.3) | 0.112 |
| NI | 38 (18.7) | 24 (23.8) | 14 (13.7) | |
| II | 2 (1.0) | 1 | 1 | |
| Total | 203 (100.0) | 101 (49.8) | 102 (50.2) | |
N, non-insertion; I, insertion.