Brief Articles
Copyright ©2009 The WJG Press and Baishideng.
World J Gastroenterol. Jun 28, 2009; 15(24): 3055-3059
Published online Jun 28, 2009. doi: 10.3748/wjg.15.3055
Table 1 Clinical characteristics of the study population
Crohn’s diseaseUlcerative colitis
Number of patients104123
Female42 (40.4%)56 (45.5%)
Age (yr)36 (13-70)45 (15-80)
Disease duration (yr)4.8 (0.5-24)5.5 (0.5-23)
Non-smoking82 (78.8%)90 (73.2%)
Severity, n (%)
Mild24 (23.1)62 (50.4)
Moderate51 (49)42 (34.1)
Severe29 (27.9)19 (15.5)
Disease distribution, n (%)
Small intestine44 (42.3)
Ileum and colon17 (16.3)
Colon40 (38.5)
Upper digestive tract 3 (2.9)
Disease distribution (UC), n (%)
Distal colon41 (33.3)
Left side colon24 (19.5)
Systemic or pan-colon58 (47.2)
History of any intestinal operation46 (44.2)5 (4.1)