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Correlation between Lewis phenotype and H pylori infection in peptic ulcer disease
| Phenotypes | Lea-b+ (n = 230) | Lea-b- (n = 59) | Lea+b- (n = 14) | Lea+b+ (n = 44) | P |
| H pylori status | 0.5662 | ||||
| Positive | 195 | 54 | 12 | 39 | |
| Negative | 35 | 5 | 2 | 5 | |
| Prevalence % | 84.7 | 91.5 | 85.7 | 88.5 |
