Table 5.

AUCs of ROC curves.

	AUC	Standard error	p*	95%CI		cut-off value	sensitivity	specificity
				Lower	upper
Predict factor
Overall lung involvement score	0.747	0.092	0.017	0.566	0.928	5.25	81.0%	69.2%
Ground glass opacity score	0.744	0.090	0.018	0.567	0.920	4.25	81.0%	69.2%
Consolidation score	0.626	0.107	0.221	0.417	0.836	0.75	81.0%	53.8%
Crazy-paving pattern score	0.608	0.098	0.296	0.416	0.800	3.25	47.6%	84.6%
Combined model
Overall lung involvement score + CURB65 score	0.808	0.077	0.003	0.658	0.958	–	90.5%	61.5%
Overall lung involvement score + qSOFA score	0.810	0.079	0.003	0.654	0.965	–	95.2%	61.5%

*All bold values were statistically significant.

Abbreviations: AUC: areas under the curve; ROC: receiver operating characteristic.