Table 4. Association between cagA genotypes and disease type.
| DU | GC | GE | GU | GUDU | NUD | Total | ||||||||
| cagA status | n | (%) | n | (%) | n | (%) | n | (%) | n | (%) | n | (%) | n | (%) |
| cagA + | 6 | (85.7) | 1 | (100) | 5 | (71.4) | 8 | (72.7) | 1 | (100) | 53 | (56.4) | 74 | (61.2) |
| cagA− | 1 | (14.3) | 0 | (0) | 2 | (28.6) | 3 | (27.3) | 0 | (0) | 15 | (16.0) | 21 | (17.4) |
| cagA+& cagA− | 0 | (0) | 0 | (0) | 0 | (0) | 0 | (0) | 0 | (0) | 23 | (24.5) | 23 | (19.0) |
| No amplification | 0 | (0) | 0 | (0) | 0 | (0) | 0 | (0) | 0 | (0) | 3 | (3.2) | 3 | (2.5) |
| Total | 7 | (5.8) | 1 | (0.8) | 7 | (5.8) | 11 | (9.1) | 1 | (0.8) | 94 | (77.7) | 121 | (100) |
DU = duodenal ulcer, GC = gastric carcinoma, GE = gastric erosion, GU = gastric ulcer, GUDU = gastric ulcer and duodenal ulcer, NUD = Non-ulcerative disease.