Table 1.
Authors (year) | Type of IBD | Prevalence in IBD | Prevalence in general populations | Reference |
---|---|---|---|---|
Järnerot et al. (1975) | UC | 3.7% (11/300)∗ | 0.83% (5/600)∗ | [16] |
Snook et al. (1989) | UC | 1.5% (13/858) | 0.67% (2/300) | [15] |
CD | 0.26% (1/378) | 0.67% (2/300) | [15] | |
Pooran et al. (2003) | CD | 0.95% (2/210) | 0% (0/206) | [23] |
Casella et al. (2008) | UC | 0.62% (1/162) | 1.2% (69/5721) | [5] |
Yakut et al. (2011) | UC | 4.4% (5/113) | 0% (0/66) | [24] |
CD | 0% (0/33) | 0% (0/66) | [24] | |
Liu et al. (2013) | CD | 0% (0/44) | — | [19] |
IBD: inflammatory bowel disease; UC: ulcerative colitis; CD: Crohn's disease.
∗The prevalence was significantly higher in UC patients than in the general populations (p < 0.01).