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Pathogenesis of ulcer in the duodenal ulcer group (n = 152).
| Hp-positive patients (n = 129) | n (%) |
|---|---|
| Only HP-positive | 67 (44.1) |
| HP positive + NSAID and/or ASA exposure | 62 (40.8) |
|
| |
| Hp negative patients (n = 23) | |
|
| |
| NSAID and/or ASA exposure positive | 14 (9.2) |
| NSAID and ASA exposure negative | 9 (5.9) |
ASA: acetylsalicylic acid; Hp: Helicobacter pylori; NSAID: nonsteroid anti-inflammatory drug.
