Table 3.
Outcomes of a further screening round after two preceding rounds both with an outcome of positive gFOBT and diagnostic investigation negative for cancer or intermediate/high risk adenomas (n = 632).
| Result of diagnostic investigation in preceding round | Outcome of repeat screening round |
|||||
|---|---|---|---|---|---|---|
| Invited | Adequately screened (%) | Positive gFOBT (%) | Attended diagnostic investigation | CRC | IR or HR adenomas (PPV, %) | |
| No cancer or IR/HR adenomas | 632 | 559 (88.4) | 128 (22.9) | 115 | 0 | 4 (3.5) |
| Normal colon & rectum | 245 | 209 (85.3) | 46 (22.0) | 40 | 0 | 1 (2.5) |
| Low risk adenomas | 128 | 120 (93.8) | 32 (26.7) | 31 | 0 | 3 (9.7) |
| Other abnormal | 259 | 230 (88.8) | 50 (21.7) | 44 | 0 | 0 (0) |
CRC: Colorectal cancer; IR or HR: Intermediate or high risk.