Development and Validation of a Prediction Model of the Risk of Pneumonia in Patients with SARS-CoV-2 Infection

Table 3

Diagnostic parameters of the pneumonia risk model.

Variable	Value
	Training cohort	Validation cohort
AUC	0.7820 (95% CI: 0.7254, 0.8439)	0.8432 (95% CI: 0.7588, 0.9151)
Cutoff value	0.5	0.5
Specificity	66.33%	73.91%
Sensitivity	70.75%	76.09%
Accuracy	68.63%	75.00%
Positive-LR	2.10	2.92
Negative-LR	0.44	0.32
Diagnose-OR	4.77	9.02
Positive-pv	69.44%	74.47%
Negative-pv	67.71%	75.56%