Table 4.
Indicator | Formula | Value | 95% CI |
---|---|---|---|
Sensitivity | TP / (TP + FN) | 91.9% | 82.5–96.5% |
Specificity | TN / (TN + FP) | 93.2% | 87.5–96.4% |
PPV | TP / (TP + FP) | 86.4% | 76.1–92.7% |
NPV | TN / (TN + FN) | 96.1% | 91.2 - 98.3% |
LR+ | Sensitivity/(1-Specificity) | 13.48 | 7.15–25.44 |
LR- | (1-Sensitivity)/Specificity | 0.09 | 0.04–0.20 |
95% CI: 95% Confidence Interval; FN: False Negatives; FP: False Positives; LR+: Positive Likelihood Ratio; LR-: Negative Likelihood Ratio; PPV: Positive Predictive Value; NPV: Negative Predictive Value; TN: True Negatives; TP: True Positives.