Clinical Research
Copyright ©The Author(s) 2004.
World J Gastroenterol. Feb 1, 2004; 10(3): 404-409
Published online Feb 1, 2004. doi: 10.3748/wjg.v10.i3.404
Table 5 Smoking habits in IBD patients at presentation
UC n (%)CD n (%)
Non-smoker315 (67.3%)87 (43.1%)
Ex-smoker86 (18.4%)13 (6.4%)
Smoker67 (14.3%)102 (50.5%)
No data9210
Odds ratio for smoking0.25 (95% CI: 0.19 - 0.32)1.94 (95% CI: 1.46 - 2.59)