Table 7
Interval cancer analysis (all cancers diagnosed within 2 years of their guaiac faecal occult blood testing result in the population who responded to the invitation to be screened in the first round)
First round
Second round
Screen-detected cancers
367 (61.4%)
197 (56.3%)
True interval cancers
180 (30.1%)
129 (36.9%)
Missed on colonoscopy
7 (1.2%)
4 (1.1%)
Miscellaneous
4 (7.4%)
20 (5.7)
Total
597 (100%)
350 (100%)