Predicting Poor Outcome of COVID-19 Patients on the Day of Admission with the COVID-19 Score

Table 2

Prediction results in the internal test set (n = 447) using the logistic regression model developed in the training data (n = 1492).

	Death intubation AKI stage 3	Death intubation	Death	Intubation	Stage 3 AKI
AUC	0.850; CI [95%]: 0.813, 0.889	0.888; CI [95%]: 0.859, 0.921	0.837; CI [95%]: 0.802, 0.878	0.713; CI [95%]: 0.645, 0.782	0.950; CI [95%]: 0.923, 0.977
Best cutoff (determined by Youden’s J statistic)	0.335	0.272	0.258	0.207	0.184
Sensitivity for best cutoff	0.800	0.859	0.794	0.533	0.820
Specificity for best cutoff	0.761	0.775	0.739	0.809	0.930
Sensitivity for cutoff 0.5	0.627	0.646	0.412	0.017	0.689
Specificity for cutoff 0.5	0.872	0.897	0.925	0.979	0.984
Parameter estimates
(Intercept)	−2.4475	−4.7252	−4.0251	1.11234	−4.727
Age (years)	0.02492	0.0475	0.0677	−0.0137	−0.0147
Albumin (g/dL)	−0.6503	−0.6021	−0.9424	−0.7729	−0.0336
Serum creatinine (mg/dl)	0.81926	0.9859	0.076	0.02069	1.46726
High-sensitivity C-reactive protein	0.00388	0.00429	0.00403	0.00238	0.0047
Lactate dehydrogenase (LDH)	0.00143	0.00113	0.00121	0.00083	0.00067