Retrospective Cohort Study
Copyright ©The Author(s) 2020.
World J Gastroenterol. Jan 28, 2020; 26(4): 416-423
Published online Jan 28, 2020. doi: 10.3748/wjg.v26.i4.416
Table 2 Incidence rate trend for ulcerative colitis and Crohn’s disease by region
Parameters/time periodsIncidence rates (95%)/100000
2003-20072008-2012
Ulcerative colitis
Central region0.27 (0.17-0.41)0.37 (0.25-0.52)
Western region0.24 (0.14-0.38)0.38 (0.26-0.54)
Eastern region0.13 (0.05-0.27)0.27 (0.16-0.44)
Crohn’s disease
Central region0.32 (0.21-0.48)0.37 (0.25-0.52)
Western region0.38 (0.25-55)0.46 (0.33-0.63)
Eastern region0.23 (0.12-0.40)0.70 (0.50-0.95)