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Pathological findings of drug-induced esophagitis group and reflux esophagitis group n (%)
| Drug-induced esophagitis | Reflux esophagitis | P value | |
| (n = 17) | (n = 19) | ||
| Basal cell hyperplasia | 6 (35.3) | 5 (26.3) | 0.559 |
| Papillary elongation | 5 (29.4) | 11 (57.9) | 0.086 |
| Dilated intercellular spaces | 11 (64.7) | 8 (42.1) | 0.175 |
| Cell vacuolization | 13 (76.5) | 9 (47.4) | 0.074 |
