Table 2

Colorectal cancer incidence and mortality rates and ratios in intervention and control arms

Number of casesRate (per 1000 person-years)Rate ratio (95% CI)
ScreeningControlScreeningControl
Number recruited76 05675 919
Person-years1 296 712*1 296 614*
1 286 5261 286 877
CRC incidence227923540.97 (0.91 to 1.03) p=0.279
0.94 (0.85 to 1.05)
Deaths from verified CRC117613000.911.000.91 (0.84 to 0.98) p=0.013
0.82 (0.70 to 0.95)
Deaths from certified CRC (underlying cause)103311360.800.880.91 (0.84 to 0.99) p=0.028
0.82 (0.70 to 0.98)
Deaths from all causes40 68140 55031.431.31.00 (0.99 to 1.02) p=0.599
  • * Based on mortality.

  • Based on incidence.

  • Adjusted for non-acceptance of first test.

  • CRC, colorectal cancer.