Table 4.

Area under the ROC curve of COVID-19 ARDS Prediction Score.

	Point	AUROC	95% CI	P value
Covid-19 ARDS Prediction Score	0-3	0.90	0.85–0.95	<0.001
C − reactive protein ≥ 5 mg/dL	1	0.84	0.78–0.91	<0.001
Infiltration on chest X − ray ≥ 22%	1	0.79	0.77–0.91	<0.001
Age ≥ 60 years	1	0.73	0.64–0.80	<0.001

Acronyms: AUROC = area under the receiver operating characteristic curve; CI = confidence interval; ARDS = acute respiratory distress syndrome.