Table 5

Risk of interval cancers with respect to indication and completeness of preceding negative colonoscopy in preceding 1–10 years in defined subgroups

Location of interval cancerSexAge
Caecum or ascending colonOtherMenWomen<70 years≥70 years
OR* 95% CIOR* 95% CIOR* 95% CIOR* 95% CIOR* 95% CIOR* 95% CI
Indication
 Screening1.00Referent1.00Referent1.00Referent1.00Referent1.00Referent1.00Referent
 Positive FOBT1.410.47 to 4.263.311.47 to 7.445.492.10 to 14.350.950.35 to 2.532.411.00 to 5.812.000.67 to 5.98
 Other1.640.74 to 3.630.530.21 to 1.392.040.82 to 5.040.490.21 to 1.140.670.29 to 1.541.480.60 to 3.66
Complete
 Yes1.00Referent1.00Referent1.00Referent1.00Referent1.00Referent1.00Referent
 No2.510.94 to 6.703.461.30 to 9.241.320.33 to 5.254.381.69 to 11.302.981.15 to 7.731.990.56 to 7.03
  • * Adjusted for indication or completeness of previous colonoscopy, as well as for age and sex (as applicable).

  • FOBT, faecal occult blood test.