Artificial intelligence guided HRCT assessment predicts the severity of COVID-19 pneumonia based on clinical parameters

Table 5 Receiver operating characteristic (ROC) curve analyses of the radiological parameters of lung involvement for the prediction of transfer to the ICU.

Radiological parameters	The area under curve (AUC)	95% confidence interval	p	Cut-off point	Sensitivity	Specificity	Youden Index
AIV, cm³	0.75	0.67–0.83	0.0000	1434	0.66	0.80	0.46
AGV, cm³	0.75	0.67–0.83	0.0000	1065	0.69	0.76	0.45
ACV, cm³	0.68	0.60–0.77	0.0000	142	0.78	0.53	0.31
PIV, %	0.75	0.66–0.83	0.0000	29	0.72	0.71	0.42
PGV, %	0.76	0.67–0.84	0.0000	29	0.66	0.80	0.46
PCV, %	0.67	0.58–0.75	0.0003	2.5	0.88	0.43	0.30

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