Table 4

 Relationship between date of colonoscopy prior to faecal occult blood test (FOBT) and pathology found

Time between FOBT and prior colonoscopy (y)
⩽2 years>2 years
Completed FOBT and previous colonoscopy date known549215
FOBT positive36 (6.6%)20 (9.3%)
Completed follow up3219
Significant pathology11 (2.0% of participants, 34.4% of test positives)2 (0.9% of participants, 10% of test positives)
Cancer4 (0.7% of participants, 11.1% of test positives)1 (0.5% of participants, 5.0% of test positives)