TABLE 3.
The value of hematological parameters in diagnosis of COVID‐19 patients in the fever clinic
| Variable | AUC | Cut off | Sensitivity (%) | Specificity (%) | 95% CI | p‐Value |
|---|---|---|---|---|---|---|
| WBCs, ×109/L | 0.756 | ≤7.25 | 62.9 | 76.7 | 0.706–0.805 | <0.001 |
| Neutrophils, ×109/L | 0.730 | ≤5.07 | 62.4 | 74.6 | 0.678–0.782 | <0.001 |
| Lymphocytes, ×109/L | 0.694 | ≤1.26 | 72.4 | 62.4 | 0.640–0.749 | <0.001 |
| Platelets, ×109/L | 0.581 | ≤242 | 83.5 | 31.7 | 0.522–0.640 | 0.008 |
| MPV, fL | 0.574 | >8.95 | 86.6 | 26.5 | 0.515–0.633 | 0.016 |
| MLR | 0.660 | >0.605 | 64.1 | 64.2 | 0.603–0.716 | <0.001 |
| PLR | 0.643 | >144 | 71.2 | 52.6 | 0.586–0.700 | <0.001 |
| MPR | 0.576 | >0.036 | 88.2 | 26.8 | 0.517–0.635 | 0.013 |
| CRP, mg/L | 0.672 | ≤13.37 | 75.9 | 59.7 | 0.615–0.728 | <0.001 |
Abbreviations: AUC, area under the curve; CI, confidence intervals; WBC, white blood cell; MPV, mean platelet volume; MLR, monocyte‐to‐lymphocyte ratio; PLR, platelet‐to‐lymphocyte ratio; MPR, mean platelet volume‐to‐platelet ratio; CRP, C‐reactive protein.