Gastrointestinal bleed characteristics
| n | % | |
| Source of bleeding identified? | ||
| Yes | 66 | 85.7 |
| No | 10 | 13 |
| No of sources of bleeding* | Percent of total cases identified (%) | |
| 1 | 48 | 62.3 |
| 2 | 12 | 15.6 |
| 3 or more | 5 | 6.5 |
| Source of bleeding location: | ||
| Stomach | 7 | 7.8 |
| Small intestine (unspecified) | 5 | 5.6 |
| Duodenum | 13 | 14.4 |
| Jejunum | 22 | 24.4 |
| Ileum | 11 | 12.2 |
| Small intestine total | 51 | 56.7 |
| Colon (unspecified) | 9 | 10 |
| Cecum | 10 | 11.1 |
| Ascending colon | 10 | 11.1 |
| Transverse colon | 1 | 1.1 |
| Descending colon | 1 | 1.1 |
| Colon total | 31 | 34.4 |
| Rectum | 1 | 1.1 |
| Other sources of bleeding identified† | Percent of other sources identified (%) | |
| Diverticulosis | 4 | 28.6 |
| Gastritis/autoimmune gastritis | 4 | 28.6 |
| Peptic ulcer disease | 2 | 14.3 |
| Bleeding polyp (colonic, gastric) | 2 | 14.3 |
| Other | 2 | 14.3 |
*Number of distinct gastrointestinal bleeding sources identified per patient.
†Gastrointestinal bleeding sources identified other than angiodysplasia or gastric antral vascular ectasia syndrome.