3.
Indicators | Sensitivity (%) | Specificity (%) | Positive predictive value (%) | Negative predictive value (%) | Accuracy (%) |
A: Severity; B: Extent; C: Ratio. | |||||
A | 87.0 | 87.5 | 95.2 | 70.0 | 87.1 |
B | 82.6 | 87.5 | 95.0 | 63.6 | 83.9 |
C | 56.5 | 87.5 | 92.9 | 41.2 | 64.5 |
A+B+C | 91.3 | 87.5 | 95.5 | 77.8 | 90.3 |
A+B | 87.0 | 87.5 | 95.2 | 70.0 | 87.1 |
A+C | 91.3 | 87.5 | 95.5 | 77.8 | 90.3 |
B+C | 87.0 | 87.5 | 95.2 | 70.0 | 87.1 |