| Sources of bleeding | n (%) |
|---|---|
| Hemorrhoids | 232 (28.6) |
| Diverticulosis | 79 (9.7) |
| Inflammatory bowel disease | 73 (9.0) |
| Colorectal polyp | 71 (8.8) |
| Colorectal malignancy | 57 (7.0) |
| Benign anorectal disorder (except hemorrhoids) | 37 (4.6) |
| Colon ulcer | 37 (4.6) |
| Colitis | 30 (3.7) |
| Angioectasia | 28 (3.5) |
| Post polypectomy/ post haemorrhoidectomy | 17 (2.1) |
| Small intestinal ulcer | 15 (1.8) |
| Small bowel tumor | 3 (0.4) |
| Duodenal pseudoaneurysm | 1 (0.1) |
| rupture Dieulafoy’s lesion | 1 (0.1) |
| Unknown origin | 130 (16) |