Table 1.
Ulcerative colitis | Crohn's disease | Ulcerative colitis and Crohn's disease* | |
Total number (n=1450) | 938 (64.7%) | 201 (13.9%) | 311 (21.4%) |
Males | 485 (51.7%) | 76 (37.8%) | 137 (44.1%) |
Females | 453 (48.3%) | 125 (62.2%) | 174 (55.9%) |
Age at operation | |||
0–39 years | 436 (46.5%) | 121 (60.2%) | 161 (51.8%) |
40–59 years | 292 (31.1%) | 55 (27.4%) | 91 (29.3%) |
≥60 years | 210 (22.4%) | 25 (12.4%) | 59 (19.0%) |
Number of annual colectomies for IBD performed in the surgical department | |||
≤3/year | 131 (14.0%) | 22 (11.0%) | 45 (14.5%) |
3–12/year | 166 (17.7%) | 28 (13.9%) | 44 (14.1%) |
>12/year | 641 (68.3%) | 151 (75.1%) | 222 (71.4%) |
Duration of hospitalisation before colectomy | |||
Admitted <8 days before colectomy | 557 (59.4%) | 136 (67.7%) | 178 (57.2%) |
Admitted ≥8 days before colectomy | 381 (40.6%) | 65 (32.3%) | 133 (42.8%) |
Medical treatment within 1 year before colectomy | |||
TNF-α and cyclosporine | 64 (6.8%) | 10 (5.0%) | 37 (11.9%) |
Reoperation within 30 days postoperatively | 73 (7.8%) | 21 (10.4%) | 21 (6.8%) |
Charlson Comorbidity Index Score | |||
0 | 705 (75.2%) | 146 (72.6%) | 224 (72.0%) |
1–2 | 194 (20.7%) | 45 (22.4%) | 69 (22.2%) |
≥3 | 39 (4.2%) | 10 (5.0%) | 18 (5.8%) |
Colectomy type | |||
Colectomy with ileorectal anastomosis (KJFH00–01) | 54 (5.8%) | 42 (20.9%) | 39 (12.5%) |
Colectomy with ileostomy (KJFH10–11) | 523 (55.8%) | 99 (49.3%) | 170 (54.7%) |
Proctocolectomy with ileostomy (KJFH20–21) | 147 (15.7%) | 49 (24.4%) | 65 (20.9%) |
Restorative proctocolectomy ± ileostomy (KJFH30–33) | 197 (21.0%) | 5 (2.5%) | 28 (9.0%) |
Proctocolectomy with Koch reservoir (KJFH40) | 1 (0.1%) | 0 (0%) | 0 (0%) |
Other form of colectomy (KJFH96) | 16 (1.7%) | 6 (3.0%) | 9 (2.9%) |
Time period | |||
1996–2000 | 307 (32.7%) | 67 (33.3%) | 114 (36.7%) |
2001–2005 | 343 (36.6%) | 78 (38.8%) | 95 (30.6%) |
2006–2010 | 288 (30.7%) | 56 (27.9%) | 102 (32.8%) |
Patients for whom codes for both ulcerative colitis and Crohn's disease were used at any preceding or subsequent admission or hospital contact.
IBD, inflammatory bowel disease; TNF, tumour necrosis factor.