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Distribution of the pre-treatment endoscopic findings
| Variable | Group 1 n (%) | Group 2 n (%) | Group 3 n (%) | Group 4 n (%) | P-value |
|---|---|---|---|---|---|
| Endoscopic antral gastritis | 47 (94) | 49 (98) | 49 (98) | 49 (98) | 0.56 |
| Endoscopic erythematous pangastritis | 12 (24) | 14 (28) | 13 (26) | 14 (28) | 0.96 |
| Endoscopic erythematous bulbitis | 19 (38) | 11 (22) | 11 (22) | 11 (22) | 0.17 |
| Gastric ulcer | 6 (12) | 8 (16) | 3 (6) | 8 (16) | 0.38 |
| Bulbus ulcer | 7 (14) | 5 (10) | 4 (8) | 5 (10) | 0.79 |
