Table 5 The overall prediction model according to different cutoff values
PIV | Sensitivity | Specificity | PPV | NPV | Accuracy |
|---|---|---|---|---|---|
≥0 | 100.0% | 0 | 38.2% | N/A | 38.2% |
≥1 | 89.7% | 31.9% | 44.8% | 83.3% | 53.9% |
≥3 | 75.9% | 51.1% | 48.9% | 77.4% | 60.5% |
≥5 | 75.9% | 72.3% | 62.9% | 82.9% | 73.7% |
≥7 | 51.7% | 93.6% | 83.3% | 75.9% | 77.6% |
≥9 | 20.7% | 95.7% | 75.0% | 66.2% | 67.1% |