| Diagnosis | Frequency (%) | |||||
| Female (%) | Male (%) |
| Age < 65 (%) |
| Age 65+ (%) | |
| Ischemic colitis | 61 (24) | 14 (7) |
| 28 (14) |
| 47 (18) |
| Anorectal | 50 (20) | 41 (20) |
| 49 (24) |
| 42 (16) |
| Diverticulosis | 30 (12) | 33 (16) |
| 12 (6) |
| 51 (19) |
| Neoplasia | 18 (7) | 13 (6) |
| 16 (8) |
| 15 (6) |
| AVMs | 12 (5) | 9 (4) |
| 5 (2) |
| 16 (6) |
| UGIB | 12 (5) | 13 (6) |
| 11 (5) |
| 14 (5) |
| IBD | 12 (5) | 7 (3) |
| 16 (8) |
| 3 (1) |
| Non-specific colitis | 7 (3) | 7 (3) |
| 9 (4) |
| 5 (2) |
| Other | 10 (4) | 19 (9) |
| 15 (7) |
| 14 (5) |
| Unclear source | 44 (17) | 52 (25) |
| 41 (20) |
| 55 (21) |
| Total | 256 (100) | 208 (100) |
| 202 (100) |
| 262 (100) |