Table 3.
Receiver operating characteristics (ROC) curves and prognostic accuracy of blood cell count-derived inflammation indexes.
| AUC | 95% CI | p-Value | Cut-off | Sensitivity (%) | Specificity (%) | |
|---|---|---|---|---|---|---|
| AISI | 0.640 | 0.546 to 0.726 | 0.034 | >798 | 59 | 72 |
| dNLR | 0.664 | 0.571 to 0.748 | 0.014 | >6.2 | 52 | 85 |
| MLR | 0.617 | 0.523 to 0.705 | 0.054 | >0.364 | 69 | 57 |
| MPR | 0.558 | 0.464 to 0.649 | 0.37 | >0.040 | 66 | 52 |
| NLPR | 0.706 | 0.615 to 0.787 | 0.0005 | >0.019 | 66 | 75 |
| NLR | 0.697 | 0.605 to 0.778 | 0.002 | >15.2 | 38 | 97 |
| PLR | 0.572 | 0.478 to 0.663 | 0.26 | >240 | 59 | 58 |
| SII | 0.628 | 0.534 to 0.715 | 0.06 | >1835 | 55 | 75 |
| SIRI | 0.659 | 0.567 to 0.744 | 0.013 | >2.93 | 59 | 74 |
AISI, aggregate index of systemic inflammation (neutrophil*platelet* monocyte to lymphocyte ratio); AUC: area under the curve; CI: confidence interval; COVID-19: coronavirus disease 2019; dNLR, derived neutrophil to lymphocyte ratio; MLR, monocyte to lymphocyte ratio; MPR, mean platelet volume to platelet ratio; NLR, neutrophil to lymphocyte ratio; NLPR, neutrophil to lymphocyte*platelet ratio; PLR, platelet to lymphocyte ratio; SII, systemic immune-inflammation index (neutrophil*platelet to lymphocyte ratio); SIRI, systemic inflammation response index (neutrophil* monocyte to lymphocyte ratio). Statistical significance set at 0.05.