Table 2.
Distribution of cagA,vacA and iceA genotypes in Zhanghe and Shenyang.
| Gene | Zhuanghe area (%) n = 107 | Shenyang area (%) n = 42 |
| cagA+ | 101 (94.4) | 42 (100.00) |
| cagA- | 6 (5.6) | 0 (0) |
| vacA s1 | 102 (95.33)b | 27 (64.29) |
| vacA s2 | 0 (0) | 0 (0) |
| vacA s- | 5 (4.67)d | 15 (35.71) |
| vacA m1a | 0 (0) | 0 (0) |
| vacA m1b | 24 (22.43) | 5 (11.9) |
| vacA m2 | 26 (24.3) | 11 (26.19) |
| vacA m1b/m2 | 48 (44.96) | 22 (52.38) |
| vacA m- | 9 (8.41) | 4 (9.52) |
| iceA1 | 10 (9.35) | 1 (2.38) |
| iceA2 | 10 (9.35) | 1 (2.38) |
| iceA1/iceA | 2 84 (78.5) | 32 (76.19) |
| iceA- | 3 (2.8) | 8 (19.05) |
b
P<0.001 vs vacA s1 in Shenyang area.
d
P<0.001 vs vacA s- in Shenyang area.