Table 2.
Associations of GSTT1 and GSTM1 genotypes with demographic risk factors in gastric cancer (GC) and chronic gastritis (CG) cases and controls (C) n (%)
| Groups | Categories |
Genotype |
|||
| GSTM1 positive | GSTM1 null | GSTT1 positive | GSTT1 null | ||
| C | Ethnicity | ||||
| Caucasian | 75 (55.6) | 60 (44.4) | 114 (84.4) | 21 (15.6) | |
| Negroid | 13 (86.7) | 2 (13.3) | 8 (53.3) | 7 (46.7) | |
| P = 0.020 | P = 0.003 | ||||
| GC | Ethnicity | ||||
| Caucasian | 42 (46.3) | 45 (51.7) | 73 (83.9) | 14 (16.1) | |
| Negroid | 11 (84.6) | 2 (15.4) | 10 (76.9) | 3 (23.1) | |
| P = 0.017 | P = 0.690 | ||||
| CG | H pylori | ||||
| Infection | |||||
| No | 43 (71.7) | 17 (28.3) | 54 (90.0) | 6 (10.0) | |
| Yes | 19 (48.7) | 20 (51.3) | 34 (87.2) | 5 (12.8) | |
| P = 0.032 | P = 0.748 | ||||