Table 1 Sensitivity, specificity and predictive values
LM | uvFM | ledFM × 400 | Led FM × 1000 | |
|---|---|---|---|---|
false positive | 0 | 8 | 10 | 8 |
true positive | 102 | 99 | 101 | 101 |
false negative | 0 | 3 | 1 | 1 |
true negative | 108 | 100 | 98 | 100 |
210 | 210 | 210 | 210 | |
Sensitivity | GS | 97.1% | 99.0% | 99.0% |
Specificity | GS | 92.6% | 90.7% | 92.6% |
PPV | 92.7% | 91.2% | 92.8% | |
NPV | 97.0% | 99.0% | 99.0% | |
PPV cor. | 49.7% | 44.6% | 50.2% | |
NPV cor. | 99.8% | 99.9% | 99.9% | |
3 rd Readings | 12.4% | 22.9% | 14.8% | 12.9% |