Characters | Number ≥ 2 | Number ≥ 6 | ||
Value | 95% CI | Value | 95% CI | |
Sensitivity | 93.9% | 79.8% - 99.3% | 30.3% | 15.6% - 48.7% |
Specificity | 59.7% | 47.0% - 71.5% | 95.5% | 87.5% - 99.1% |
DA | 71.0% | 61.1% - 79.6% | 74.0% | 64.3% - 82.3% |
Youden’s index | 53.6% | 39.4% - 67.9% | 25.8% | 9.4% - 42.3% |
PPV | 53.4% | 39.9% - 66.7% | 76.9% | 46.2% - 95.0% |
NPV | 95.2% | 83.8% - 99.4% | 73.6% | 63.0% - 82.4% |
LR+ | 2.33 | 1.72 - 3.16 | 6.77 | 2.00 - 22.95 |
LR− | 0.10 | 0.03 - 0.39 | 0.73 | 0.58 - 0.92 |
DOR | 22.96 | 5.07 - 104.05 | 9.28 | 2.34 - 36.70 |