Table 4.
Predictive performance of hematological parameters for the diagnosis of Omicron variant infected COVID-19 patients with pulmonary infection
| Variables | AUC | Cut-off value | Sensitivity (%) | Specificity (%) | 95% CI | P value |
|---|---|---|---|---|---|---|
| WBC, ×109/L | 0.576 | ≤ 5.1 | 47.42 | 67.06 | 0.554–0.598 | < 0.01 |
| Neu, ×109/L | 0.600 | ≤ 3.72 | 51.55 | 66.47 | 0.578–0.621 | < 0.01 |
| Lym, 109/L | 0.620 | > 0.700 | 70.25 | 50.75 | 0.598–0.641 | < 0.01 |
| Mon, ×109/L | 0.608 | ≤ 0.38 | 40.21 | 76.08 | 0.587–0.630 | < 0.01 |
| RBC, ×1012/L | 0.753 | ≤ 4.28 | 59.79 | 78.61 | 0.734–0.772 | < 0.01 |
| HGB, g/L | 0.658 | ≤ 128 | 53.31 | 72.06 | 0.637–0.678 | < 0.01 |
| HCT, % | 0.698 | ≤ 38.8 | 59.94 | 70.12 | 0.677–0.718 | < 0.01 |
| MCV, fl. | 0.645 | > 88.2 | 75.85 | 45.23 | 0.624–0.666 | < 0.01 |
| MCH, pg | 0.676 | > 30.4 | 61.86 | 63.41 | 0.655–0.696 | < 0.01 |
| MCHC, g/L | 0.605 | > 338 | 49.19 | 65.20 | 0.583–0.626 | < 0.01 |
| RDW-CV, % | 0.610 | > 12.6 | 57.58 | 61.85 | 0.588–0.631 | < 0.01 |
| Platelets, ×109/L | 0.533 | ≤ 148 | 32.25 | 81.80 | 0.511–0.555 | < 0.01 |
| MPV, fl. | 0.764 | > 9.7 | 73.37 | 66.92 | 0.745–0.782 | < 0.01 |
| PCT,% | 0.564 | > 22.9 | 33.28 | 87.63 | 0.542–0.585 | < 0.01 |
| PDW, % | 0.552 | > 15.1 | 73.96 | 0.52 | 0.530–0.574 | 0.01 |
| dNLR | 0.610 | ≤ 3.16 | 65.68 | 55.81 | 0.588–0.631 | < 0.01 |
| NLR | 0.638 | ≤ 5.75 | 69.07 | 56.04 | 0.616–0.659 | < 0.01 |
| PLR | 0.630 | ≤ 218.87 | 58.23 | 62.74 | 0.609–0.651 | < 0.01 |
| MLR | 0.694 | ≤ 0.55 | 62.30 | 67.06 | 0.674–0.714 | < 0.01 |
| SII | 0.635 | ≤ 1080.18 | 67.60 | 54.92 | 0.614–0.656 | < 0.01 |
| SIRI | 0.673 | ≤ 1.66 | 51.25 | 76.97 | 0.652–0.694 | < 0.01 |
aAbbreviations: AUC, area under curve; CI, confidence intervals;