Table 4

Anatomical site distribution of screen-detected, interval and non-screened cancers in all three rounds

SiteScreen-detected, % (n)Interval, % (n)Non-screened, % (n)
Right colon21.2 (136)32.3 (201)25.4 (1704)
Left colon53.3 (342)35.6 (222)43.6 (2925)
Rectum25.5 (164)32.1 (200)31.0 (2077)
  • Screen-detected versus interval: χ2=41.353, p<0.001.

  • Interval versus non-screened: χ2=18.996, p<0.001.

  • Screen-detected versus non-screened: χ2=22.118, p<0.001.