Prospective Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Mar 28, 2015; 21(12): 3644-3649
Published online Mar 28, 2015. doi: 10.3748/wjg.v21.i12.3644
Table 1 Comparison of ulcerative colitis patients with and without colorectal cancer
No malignancyCRCP value
Number of patients (males)418 (242)12 (5)0.3751
Age (mean ± SD, yr)44.5 ± 14.649.6 ± 10.10.232
Median duration of disease (interquartile range)6 (7)18 (8)0.000013
History of smoking3101.0
Family history of IBD2420.15
Left-sided colitis12921.0
No. of patients on azathioprine10820.7381
Poor compliance with therapy14460.23
Poor disease control5050.0071
Table 2 Characteristics of colorectal cancer in ulcerative colitis
No.Age (yr)SexExtent of diseaseDuration1,yrLocation of CRC
159MExt colitis24Recto-sigmoid
247FLeft-sided colitis10Left colon
351MExt colitis6Ascending, transverse, descending colon (multifocal)
442MExt colitis7Rectum
564FExt colitis13Ascending colon
641FExt colitis17Descending colon
740FLeft-sided colitis6Rectum
846FExt colitis20Rectum
967FLeft sided27Rectum
1049MExt colitis22Rectum
1156MExt colitis17Rectum
1251FExt colitis13Ascending colon