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Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Jul 28, 2014; 20(28): 9292-9298
Published online Jul 28, 2014. doi: 10.3748/wjg.v20.i28.9292
Table 1 Relative and absolute risk of developing colorectal cancer according to family history
Family historyRelative risk of CRCAbsolute risk of CRC by age 79
No family history15%1
One first degree relative with CRC2.25 (95%CI: 2.00-2.53)11%2
More than one first degree relative with CRC4.25 (95%CI: 3.01-6.08)21%2
One first degree relative diagnosed with CRC before age 453.87 (95%CI: 2.40-6.22)19%2