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Distribution of cagA gene and cagA promoter in H pylori isolates
| Clinical status (n) | A1+A2 (%) | AP1+AP2 (%) |
| DU (58) | 43 (74.1) | 8 (13.8) |
| GU (46) | 45 (97.8) | 46 (100) |
| NUD (56) | 32 (57.1) | 6 (10.7) |
| GC (14) | 14 (100) | 12 (85.7) |
| Total (174) | 134 (77) | 72 (41.4) |
