Table 3.
All FITs | Positive FITs | CRC after positive FIT | SBD after positive FIT | |||||
---|---|---|---|---|---|---|---|---|
(n = 3462) | (n = 540) | (n = 51) | (n = 73) | |||||
n | % | n | % (95%CI) | n | PPV (95%CI) | n | PPV (95%CI) | |
Individual symptom and signs | ||||||||
Abdominal pain | 1579 | 45.6 | 210 | 13.3 (11.6;15.0) | 18 | 8.6 (4.8;12.4) | 17 | 8.1 (4.4;11.8) |
Change in bowel habits | 1867 | 53.9 | 290 | 15.5 (13.9;17.2) | 27 | 9.3 (5.9;12.7) | 34 | 11.7 (8.0;15.4) |
Uncharacteristic symptoms | 827 | 23.9 | 139 | 16.8 (14.3;19.4) | 11 | 7.9 (3.4;12.5) | 14 | 10.1 (5.0;15.1) |
Unexplained Anaemia | 424 | 12.3 | 87 | 20.5 (16.7;24.4) | 10 | 11.5 (4.7;18.3) | 8 | 9.2 (3.0;15.4) |
Investigation for IBS | 776 | 22.4 | 103 | 13.3 (10.9;15.7) | 8 | 7.8 (2.5;13.0) | 12 | 11.7 (5.3;18.0) |
Other | 586 | 16.9 | 89 | 15.2 (12.3;18.1) | 5 | 5.6 (0.7;10.5) | 19 | 21.3 (12.7;30.0) |
No indication reported | 348 | 10.2 | 63 | – | 7 | – | 15 | – |
Multiple symptoms and signs | ||||||||
1 symptom | 1169 | 33.7 | 176 | 15.1 (13.0;17.1) | 20 | 11.4 (6.6;17.0) | 24 | 13.6 (8.5;18.8) |
2 symptoms | 1165 | 33.6 | 191 | 16.4 (14.3;18.5) | 15 | 7.9 (4.0;11.7) | 23 | 12.0 (7.4;16.7) |
≥3 symptoms | 780 | 22.5 | 110 | 14.1 (11.7;16.6) | 9 | 8.2 (3.0;13.4) | 11 | 10.0 (4.3;15.7) |
No indication reported | 348 | 10.2 | 63 | – | 7 | – | 15 | – |
The GP could register more than one indication for each patient