Table 5.
Sensitivity | Specificity | PPV | NPV | Overall efficiency | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Cutoff | Value | 95% CI | Value | 95% CI | Value | 95% CI | Value | 95% CI | Value | 95% CI |
28 | 0.79 | 0.65–0.92 | 0.78 | 0.75–0.80 | 0.11 | 0.08–0.13 | 0.99 | 0.98–1.00 | 0.78 | 0.75–0.80 |
29a | 0.79 | 0.65–0.92 | 0.80 | 0.77–0.82 | 0.12 | 0.09–0.15 | 0.99 | 0.98–1.00 | 0.80 | 0.77–0.82 |
30 | 0.74 | 0.60–0.87 | 0.82 | 0.80–0.84 | 0.12 | 0.09–0.15 | 0.99 | 0.98–1.00 | 0.82 | 0.80–0.83 |
… | ||||||||||
50 | 0.30 | 0.19–0.40 | 0.97 | 0.96–0.97 | 0.23 | 0.15–0.31 | 0.98 | 0.97–0.98 | 0.94 | 0.93–0.95 |
… | ||||||||||
52 | 0.28 | 0.18–0.39 | 0.97 | 0.96–0.98 | 0.26 | 0.17–0.35 | 0.98 | 0.97–0.98 | 0.95 | 0.94–0.96 |
53b | 0.25 | 0.15–0.35 | 0.97 | 0.97–0.98 | 0.26 | 0.16–0.36 | 0.97 | 0.97–0.98 | 0.95 | 0.94–0.96 |
54 | 0.21 | 0.12–0.30 | 0.98 | 0.97–0.98 | 0.24 | 0.14–0.34 | 0.97 | 0.96–0.98 | 0.95 | 0.94–0.96 |
Optimal screening cutoff.
Optimal epidemiological cutoff. PPV = positive predictive value; NPV = negative predictive value. The scores above and below the optimal screening and epidemiological cutoffs are also displayed (as well as the established cutoff of 50).