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Bleeding severity, and bleeding stigmata at initial endoscopy
| Epinephrine injection group (n = 26) | Combination therapy group (n = 33) | P value | |
| Bleeding severity | 0.61 | ||
| Mild | 9 | 9 | |
| Moderate | 10 | 17 | |
| Severe | 7 | 7 | |
| Bleeding stigmata | 0.70 | ||
| Active oozing | 12 | 12 | |
| Oozing under an adherent clot | 6 | 7 | |
| Non-bleeding visible vessel | 0 | 1 | |
| Non-bleeding clot | 4 | 9 | |
| Non-bleeding red spots | 4 | 4 |
