Table 3 Predictors at hospital admission for the progression of lung CT score
Parameter Cut-off valuea AUC 95% confidence interval Sensitivity (%) Specificity (%) PPV (%) NPV (%) Std. Error p
Lower Upper
WBC count 6 0.850 0.651 1 85 85.7 94.4 66.7 0.102 0.007
Neutrophil count 3.3 0.757 0.531 0.983 75 71.4 88.2 50 0.115 0.046
Lymphocyte count 1.7 0.843 0.654 1 90 71.4 90.5 83.3 0.096 0.008
Monocyte count 0.55 0.757 0.510 1 70 57.1 82.4 40 0.126 0.046
Platelet count 230 0.929 0.813 1 95 85.7 95 85.7 0.059 0.001
aCut-off value is given as (× 103/µL). AUC area under curve, lymphocyte count (1–3.38 × 103/µL), monocyte count (0–0.8 × 103/µL), neutrophil count (2.02–7.46 × 103/µL), NPV negative predictive value, platelet count (150–450 × 103/µL), PPV positive predictive value, WBC white blood cells (4.5–11 × 103/µL)