Table 5.
Number of discordant results between two faecal immunochemical tests and significant colorectal pathology diagnosed
| FIT (µg Hb/g) |
Total n | Colorectal cancer | Advanced colorectal neoplasia | Inflammatory bowel disease | Significant bowel pathology | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | Prevalence (%) |
NNI | n | Prevalence (%) |
NNI | n | Prevalence (%) |
NNI | n | Prevalence (%) |
NNI | ||
| < 10, < 10 | 1818 (68.9) | 3 (3.4) | 0.17 | 606 | 34 (18.4) | 1.90 | 53 | 3 (9.1) | 0.17 | 606 | 37 (17.0) | 2.00 | 49 |
| Discordant | 442 (16.8) | 10 (11.4) | 2.30 | 44 | 38 (20.5) | 8.60 | 12 | 2 (6.1) | 0.45 | 221 | 40 (18.3) | 9.10 | 11 |
| ≥10, ≥ 10 | 337 (14.3) | 75 (85.2) | 19.90 | 5 | 113 (61.1) | 30.00 | 3 | 28 (84.8) | 7.40 | 13 | 141 (64.7) | 37.40 | 3 |
Values are n (%) unless otherwise indicated. FIT, faecal immunochemical test; NNI, number needed to investigate.