| Non-specific abdominal pain | 148 (37.9) | 148 (38.1) | 296 (38.0) |
| Cholelithiasis (symptomatic, with or without cholecystitis) | 34 (8.7) | 27 (7.0) | 61 (7.8) |
| Appendicitis | 34 (8.7) | 29 (7.5) | 63 (8.1) |
| Diverticulitis | 17 (4.3) | 35 (9.0) | 52 (6.7) |
| Ureteric calculus (symptomatic, with or without hydronephrosis) | 22 (5.6) | 23 (5.9) | 45 (5.8) |
| Urinary tract infection (cystitis or pyelonephritis) | 18 (4.6) | 14 (3.6) | 32 (4.1) |
| Dyspepsia/reflux/oesophagitis | 16 (4.1) | 12 (3.1) | 28 (3.6) |
| Gastroenteritis/virosis | 14 (3.6) | 10 (2.6) | 24 (3.1) |
| Choledocholithiasis (with or without cholangitis or pancreatitis) | 9 (2.3) | 13 (3.4) | 22 (2.8) |
| Tumour (not previously known) | 10 (2.6) | 11 (2.8) | 21 (2.7) |
| Ovarian cyst (symptomatic, with | | | |
| or without rupture/bleeding) | 7 (1.8) | 11 (2.8) | 18 (2.3) |
| Pancreatitis (without calculus) | 11 (2.8) | 5 (1.3) | 16 (2.1) |
| Muscle-related pain | 9 (2.3) | 5 (1.3) | 14 (1.8) |
| Ileus/subileus | 3 (0.8) | 10 (2.6) | 13 (1.7) |
| Constipation/faecaloma | 6 (1.5) | 4 (1.0) | 10 (1.3) |
| Hydronephrosis (without ureteric calculus) | 4 (1.0) | 3 (0.8) | 7 (0.9) |
| Abscess | 4 (1.0) | 3 (0.8) | 7 (0.9) |
| Salpingitis | 6 (1.5) | 1 (0.3) | 7 (0.9) |
| Hernia | 5 (1.3) | 1 (0.3) | 6 (0.8) |
| Colitis/terminal ileitis | 0 (0.0) | 5 (1.3) | 5 (0.6) |
| Duodenal ulcer without perforation | 2 (0.5) | 0 (0.0) | 2 (0.3) |
| Perforated duodenal ulcer | 1 (0.3) | 1 (0.3) | 2 (0.3) |
| Abdominal aortic aneurysm | 0 (0.0) | 1 (0.3) | 1 (0.1) |
| Other diagnosis | 11 (2.9) | 16 (4.1) | 27 (3.4) |