Table 2.
Estimation of the cut-off value of the significant analytical variables by ROC curve.
| Cut-Off Value | Reference Value | Sensitivity (%) | Specificity (%) | AUC | CI 95% | ||
|---|---|---|---|---|---|---|---|
| Low | High | ||||||
| Glycaemia | 134.5 mg/dL | 70–110 | 82.5 | 85.3 | 89 | 82.5 | 95.5 |
| Creatine | 1.19 mg/dL | 0.7–1.1 | 32.5 | 91.2 | 61.7 | 50.5 | 72.9 |
| Leukocytes | 9.94 × 109/L | 4.5–11.5 | 37.5 | 95.6 | 68.4 | 57.5 | 79.4 |
| Lymphocytes | 0.8 × 109/L | 1.3–4 | 0.05 | 98.5 | 23.2 | 0.128 | 0.336 |
| Neutrophil | 5.48 × 109/L | 2–7.5 | 67.5 | 73.5 | 75.2 | 65.3 | 85.1 |
| Procalcitonin | 0.07 ng/mL | <0.1 | 97.4 | 54.8 | 78.2 | 69.3 | 87.1 |
| CRP | 145 mg/L | <10 | 38.5 | 80.9 | 58.1 | 46.5 | 69.6 |
| Ferritin | 934 µg/L | <307 | 72 | 61.8 | 70.3 | 57.4 | 83.2 |
| D-dimer | 1814.5 mg/L | <120 | 67 | 78.5 | 74.6 | 64 | 85.3 |
| LDH | 326 nmol/L | <225 | 70 | 76.5 | 71.5 | 61.1 | 82 |
| HGF | 187.5 pg/mL | - | 72.5 | 72.1 | 75.2 | 65.7 | 84.8 |
| IL-15 | 29.6 pg/mL | - | 22.5 | 80.9 | 39 | 27.4 | 50.7 |
| MCP1 | 56.77 pg/mL | - | 42.5 | 86.8 | 62.6 | 51.2 | 74 |
| PDGFBB | 182.5 pg/ml | - | 77.5 | 52.9 | 61.7 | 50.7 | 72.8 |
AUC—area under the Receiver Operating Characteristic (ROC ) curve; CI—confidence interval.