Copyright ©2008 The WJG Press and Baishideng.
World J Gastroenterol. Jul 7, 2008; 14(25): 3937-3947
Published online Jul 7, 2008. doi: 10.3748/wjg.14.3937
Table 1 Risk of colorectal cancer in recent population-based studies
StudyLocationObserved periodUC cohort sizeFollow-up (person- years)CRCAnnual crude incidence (%)Cumulative incidence at 30 years (%)
North America
Bernstein et al[7]Manitoba, Canada1984-199726721965536 CRC0.16NR
Bernstein et al[7]Manitoba, Canada1984-199726721965513 rectum0.06NR
Jess et al[8]Olmsted County, USA1940-2004378556760.102
Winther et al[16]Copenhagen County, Denmark1962-1987116022290130.062.1
Palli et al[15]Florence, Italy1978-19926897877100.12NR
Lakatos et al[4]Veszprem, Hungary1974-20047238564130.157.5