Clinical Research
Copyright ©2008 The WJG Press and Baishideng.
World J Gastroenterol. Jun 14, 2008; 14(22): 3497-3503
Published online Jun 14, 2008. doi: 10.3748/wjg.14.3497
Table 3 Univariate analysis for the risk of colorectal neoplasia n (%)
NeoplasiaNo neoplasiaLog rank
(n = 12)(n = 213)P
Male gender8 (66.7)112 (52.6)> 0.20
Age at IBD diagnosis below 16 yr3 (25)52 (24.4)> 0.20
Age at IBD diagnosis below 40 yr9 (75)165 (77.5)> 0.20
Initial diagnosis of CD2 (16.7)60 (28.2)> 0.20
IBD familial history1 (8.3)27 (12.7)> 0.20
Initial IBD location
Ileum involvement1 (8.3)27 (12.7)> 0.20
Right colon involvement9 (75)139 (65.3)> 0.20
Left colon involvement9 (75)164 (77)> 0.20
Sigmoid colon involvement12 (100)184 (86.4)0.12
Rectum involvement10 (83.3)166 (77.9)> 0.20
Anoperineal involvement021 (9.9)> 0.20
5 ASA during more than 2 yr6 (54.6)79 (42.5)> 0.20
Immunosuppressant during more than 2 yr3 (25)69 (32.4)> 0.20
Appendectomy before IBD onset2 (16.7)37 (17.4)> 0.20
Current smoking2 (16.7)53 (24.9)> 0.20
Extra-intestinal manifestations2 (16.7)61 (28.6)0.09
PSC10 (83.3)65 (30.5)0.004