| Aetiology | N (%) | Type 2 IF | Type 3 IF |
|---|---|---|---|
| Obstruction | 22 (26%) | 21 | 1 |
| Mesenteric ischemia | 18 (21%) | 17 | 1 (chronic) |
| Post surgical complication | 11 (13%) | 11 | |
| Peritonitis | 9 (11%) | 9 | |
| Miscellaneous | 8 (9%) | 7 | 1 (malabsorption) |
| Pre-operative Optimisation | 6 (7%) | 6 (Crohns-4, UC-1, Achalasia -1) | |
| Malignancy | 3 (4%) | 3 | 6 (palliative) |
| Intestinal fistula | 1 (1%) | 1 | |