The Prediction Model of Risk Factors for COVID-19 Developing into Severe Illness Based on 1046 Patients with COVID-19

Table 10

Index analysis of Logit (3) and Logit (4).

Indices	Logistic 3 ROC curve	Logistic 4 ROC curve
AUC	0.940	0.943
Youden index	0.755	0.751
Sensitivity	0.947	0.827
Specificity	0.808	0.924
Cutoff	−3.24	−1.9465