Table 3.

The performances of COVID-19-AACC model for risk stratification of probabilities for severity of COVID-19 patients.

Variable	(n = 419)
AUROC	0.85 (0.81–0.90)
Cutoff value (95% CI)	0
Sensitivity, %	96.6 (90.3–99.3)
Specificity, %	32.2 (27.2–37.5)
Positive predictive value, %	27.2 (22.3–32.5)
Negative predictive value, %	97.3 (92.2–99.4)
Positive likelihood ratio	1.42 (1.3–1.5)
Negative likelihood ratio	0.11 (0.03–0.3)
Cutoff value (95% CI)	4
Sensitivity, %	28.7 (19.5–39.4)
Specificity, %	98.2 (96.1–99.3)
Positive predictive value, %	80.6 (62.5–92.5)
Negative predictive value, %	84.0 (80.0–87.5)
Positive likelihood ratio	15.90 (6.7–37.5)
Negative likelihood ratio	0.73 (0.6–0.8)