Relation between presence or absence of peptic ulcer disease, cagA and vacA genotypes in pretreatment biopsy specimens, and efficacy of one to two days of intensified quadruple eradication treatment
| Clinical status | No of cases | Successful eradication | cagA status | Successful eradication | vacA status | Successful eradication |
| Peptic ulcer disease | 54 | 79.6% (43/54) | pos: 39 | 87.2% (34/39) | s1: 39 | 86.1% (34/39) |
| s2: 0 | – | |||||
| neg: 15 | 60% (9/15) | s1: 9 | 44.4% (4/9) | |||
| s2: 6 | 83.3% (5/6) | |||||
| Non-ulcer dyspepsia | 43 | 55.8% (24/43) | pos: 20 | 70% (14/20) | s1: 20 | 70% (14/20) |
| s2: 0 | – | |||||
| neg: 23 | 43.5% (10/23) | s1: 7 | 57.1% (4/7) | |||
| s2: 16 | 37.5% (6/16) |
Patients with multiple genotypes (n=12), incomplete follow up (n=6), and non-matching pretreatment and post-treatment genotypes (n=6) were excluded from this table.