Table 1 .

Summary of procedures

Operation	Number of procedures
Stoma formation	162
Small bowel resection	157
Other	117
Colectomy: right (including ileocaecal resection)	114
Adhesiolysis	111
Repair of intestinal perforation	55
Colectomy: subtotal or panproctocolectomy	49
Colectomy: left (including anterior resection)	40
Peptic ulcer suture or repair of perforation	31
Washout only	25
Exploratory/relook laparotomy only	18
Intestinal bypass	15
Repair or revision of anastomosis	15
gastroenterostomy	11
Colorectal resection – other	7
Gastrectomy – partial or total	6
Haemostasis	6
Drainage of abscess/collection	5
Gastric surgery – other	3
Laparostomy formation	1
Negative laparotomy	1
Peptic ulcer – oversew of bleed	1
Removal of foreign body	1
Resection of Meckel’s diverticulum	1
Resection of other intra-abdominal tumour(s)	1

Summary of case mix of all laparotomies included in the study, n=953. Hartman’s procedures have been included as ‘Stoma formation’ and ‘Other’ includes those procedures which were not recorded and those which were less common, such as splenectomy or pancreatic necrosectomy