Table 1.

Familial risk in offspring when a parent had CRC

Offspring SiteObservedExpectedSIR95% CI
Colon338186.61.811.622.02
    Right17095.21.791.532.08
    Left16891.41.841.572.14
Rectum259149.31.741.531.96
CRC597335.81.781.641.93
  • NOTE: Bold type indicates that 95% CI does not include 1.00.