| Total | non CIHM | CIHM | p value* |
---|---|---|---|---|
number of subjects | 401 | 153 | 248 | Â |
mean age ± SD | 60.0 ± 13.8 | 60.2 ± 13.7 | 59.9 ± 13.9 | NS |
male : female | 230 : 171 | 87 : 66 | 143 : 105 | NS |
H. pylori positive rate | 241/401 | 71/153 | 170/248 | <0.0001 |
-197 G > A |  |  |  |  |
GG | 155 | 65 | 90 | Â |
GA | 204 | 74 | 130 | Â |
AA | 41 | 14 | 27 | Â |
(unknown) | 1 | 0 | 1 | Â |
A allele frequency | 35.8% | 33.3% | 37.2% | NS |
*1249 C > T |  |  |  |  |
CC | 340 | 124 | 216 | 0.058a |
CT | 42 | 20 | 22 | Â |
TT | 16 | 9 | 7 | Â |
(unknown) | 3 | 0 | 3 | Â |
T allele frequency | 9.3% | 12.4% | 7.3% | 0.023 |