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Table 1 10-year risk of colorectal cancer (CRC), CRC mortality, and all-cause mortality by randomization arm and treatment received

From: Bounding the per-protocol effect in randomized trials: an application to colorectal cancer screening

Randomization arm Received treatment N CRC cases, N (%) Cases of CRC mortality, N (%) Cases of all-cause mortality, N (%)
Aged 50–54 years
 No screeninga No screening 37,131 297 (0.8) 78 (0.2) 2245 (6.0)
 Screening No screening 2811 18 (0.6) 7 (0.3) 260 (9.2)
  Screening 4109 19 (0.5) 5 (0.1) 141 (3.4)
Aged 55–64 years
 No screeninga No screening 41,089 593 (1.4) 180 (0.4) 4209 (10.2)
 Screening No screening 4806 74 (1.5) 34 (0.7) 779 (16.2)
  Screening 8846 97 (1.1) 17 (0.2) 592 (6.7)
  1. aScreening was not available for individuals in the no-screening randomization arm