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Baseline characteristics of the two groups (mean±SD).
| Parameters | H pylori positive (n = 42) | H pylori negative (n = 47) |
| Age (yr) | 52.7±16.9 | 53.4±14.3 |
| Sex (Male:Female) | 20:22 | 24:2±3:00 |
| Alcohol intake | 20 | 21 |
| Smoking habit | 18 | 21 |
| Body mass index | 23.1±3.3 | 22.8±3.2 |
