Table 3. Indicators of test performance for detecting advanced neoplasms between cut-offs.
Results and findings within range |
Test result range (μg Hb/g feces) |
||||
---|---|---|---|---|---|
<5 | 5–<9 | 9–<25 | ≥25–<50 | ≥50 | |
Number of results | |||||
N | 1040 | 495 | 171 | 37 | 79 |
Advanced neoplasms | |||||
N | 70 | 36 | 35 | 23 | 43 |
% | 6.7 | 7.3 | 20.5 | 62.2 | 54.4 |
95% CI | 5.4–8.4 | 5.3–9.9 | 15.1–27.1 | 46.1–75.9 | 43.5–65.0 |
Number needed to scope to detect one advanced neoplasm | |||||
N | 14.9 | 13.7 | 4.9 | 1.6 | 1.8 |
95% CI | 11.9–18.5 | 10.1–18.9 | 3.7–6.6 | 1.3–2.2 | 1.5–2.3 |
CI, confidence interval; Hb, hemoglobin.