Table 2

Incidence of colorectal cancer after negative colonoscopy in relation to the interval between negative colonoscopy and subsequent FIT screening

Subject numberPositive test at subsequent FIT, nPositivity rate at subsequent FIT (%)CRC cases, nPerson-yearIncidence per 1000 person-year
(95% CI)
Subjects who received subsequent FIT
 Overall619570311.36145 580.981.34 (1.31 to 1.37)
 1.5–3 years287529010.12919 800.101.46 (1.40 to 1.53)
 3–5 years211424011.42115 575.801.35 (1.30 to 1.40)
 >5 years120617314.31110 205.081.08 (1.03 to 1.13)
No subsequent FIT29845821 561.522.69 (2.61 to 2.77)
By FIT brand
OC-Sensor411842410.34330 315.311.42 (1.35 to 1.49)
 HM-Jack203627513.51814 865.741.21 (1.15 to 1.27)
 Missing brand info4149.80399.930
  • CRC, colorectal cancer; FIT, faecal immunochemical test.