Table 5.

Predictive accuracy of the ALA model for the severity of COVID-19

Variable	Enrolled patients (n = 151)
AUROC	0.83 (0.75–0.92)
Cutoff value (95% CI)	9.5
Sensitivity, %	69.0 (52.1–85.8)
Specificity, %	86.1 (79.9–92.2)
Accuracy, %	82.8 (82.6–83.0)
Positive predictive value, %	54.1 (38.0–70.1)
Negative predictive value, %	92.1 (87.2–97.1)
Positive likelihood ratio	4.95 (2.99–8.19)
Negative likelihood ratio	0.36 (0.21–0.62)

Area under receiver operating characteristic, AUROC