Table 1.
Summary of the surgical indications n (%)
| Surgical indication | Cases |
| Intestinal obstruction or stricture | 443 (23.84) |
| Peritonitis or other acute abdominal disease | 250 (13.46) |
| Abdominal mass | 203 (10.93) |
| Intestinal fistulae1 | 184 (9.90) |
| Internal fistulae | 62 (3.34) |
| External fistulae | 45 (2.42) |
| Vaginal fistulae | 5 (0.27) |
| Vesical fistulae | 15 (0.81) |
| Other unclassified fistulae | 58 (3.12) |
| Intestinal perforation | 157 (8.45) |
| Perianal disease2 | 125 (6.73) |
| Perianal abscess | 22 (1.18) |
| Perianal fistulae | 61 (3.28) |
| Perianal fissure | 4 (0.22) |
| Perianal ulcer | 2 (0.11) |
| Perianal fistulae and fissure | 10 (0.54) |
| Perianal fistulae and ulcer | 5 (0.27) |
| Other unclassified perianal disease | 21 (1.13) |
| Gastrointestinal bleeding | 89 (4.79) |
| Abdominal abscess | 75 (4.04) |
| Intestinal adhesion | 50 (2.69) |
| Failure of drug therapy | 275 (14.80) |
| Pyloric obstruction | 4 (0.22) |
| Colic intussusception | 3 (0.16) |
1
The percentage of each type of fistulae in 1858 cases;
2
The percentage of each perianal disease in 1858 cases.