Surgical proceedures
| Operation | Number of patients |
| Formation of end-ileostomy or end-jejunostomy | 9 |
| Gastroenterostomy | 5 |
| Duodenojejunostomy (including 1 resection of Roux-en-Y anastomosis) | 4 |
| Small bowel resection | 6 |
| Colectomy | 7 |
| Exploratory laparotomy | 4 |
| Division of adhesions | 3 |
| Ileocaecal anastomosis (after reversal of ileostomy) | 1 |
| Insertion of gastrostomy tube (1 for a decompression outlet) | 2 |
| Repair of volvulus (1 gastric, 1 small bowel) | 2 |
| Duodenoplasty | 1 |
| Colostomy | 1 |
| Faecal disimpaction | 1 |
| Orchidopexy | 1 |
| Heller’s myotomy followed by Nissen fundoplication | 1 (plus at least 4 dilatations) |
| Cystoplasty | 2 |
| Cholecystectomy | 2 |
| Vagotomy | 3 |
| Full thickness rectal biopsy | 1 |
| Full thickness small bowel biopsy | 1 |
| Ureterostomies | 1 |
| Repair of ruptured stomach | 1 |