Subgroups | N | Event no. | IR | HRa (95% CI) |
---|
Non-IBD group | 8652 | 128 | 2.39 | 1.00 |
IBD group |
Ulcerative colitis | 172 | 6 | 5.88 | 2.06 (0.91–4.68) |
Crohn’s disease | 1991 | 75 | 6.05 | 2.27 (1.70–3.03)*** |
- ICD-9-CM: Ulcerative colitis, 556; Crohn’s disease, 555
- IBD inflammatory bowel disease, IR incidence density rate, per 1000 person-years, HR hazard ratio, CI confidence interval
- *** P < 0.001
- aModel adjusted for age, cancer, diabetes, obesity, depression, anxiety, sleep disorder, and renal disease