Table 6.

Receiver operating characteristic (ROC) curve analyses of the radiological parameters of lung involvement for the prediction of in-hospital death

Radiological parameters	The area under curve (AUC)	95% confidence interval	p	Cut-off point	Sensitivity	Specificity	Youden Index
AIV, cm³	0.64	0.55–0.74	0.0029	831	0.79	0.53	0.32
AGV, cm³	0.64	0.55–0.74	0.0031	520	0.83	0.45	0.28
ACV, cm³	0.61	0.51–0.70	0.0304	142	0.69	0.52	0.20
PIV, %	0.64	0.54–0.74	0.0056	15	0.86	0.40	0.27
PGV, %	0.64	0.55–0.74	0.0033	20	0.66	0.60	0.26
PCV, %	0.59	0.50–0.69	0.0574	2.9	0.72	0.46	0.18

AIV - absolute inflammation volume, AGV - absolute ground glass volume, ACV - absolute consolidation volume, PIV – percentage of inflammation volume, PGV - percentage of ground glass volume, PCV - percentage of consolidation volume.