Table 3.

ROC analysis: benign vs. malignant nodes.

Index	AUROC value	P-value	CI 95%	Cut-off value	Sensitivity (%)	Specificity (%)
PI	0.731	<0.0001	0.648–0.814	10.35	58.75	84.37
TP	0.732	<0.0001	0.65–0.813	15.98	51.25	84.37
AUC	0.776	<0.0001	0.699–0.853	966.18	76.25	73.44
PI+TP+AUC	0.795	<0.0001	0.721–0.869	\	73.75	76.56
PI+TP+AUC+Perfusion pattern	0.987	<0.0001	0.974–0.999	\	92.5	96.87
PI+TP+AUC+Enhancement pattern	0.951	<0.0001	0.918–0.984	\	87.5	90.62
PI+TP+AUC+Perfusion pattern+Enhancement pattern	0.995	<0.0001	0.988–1	\	95	96.87