Table 4.

Diagnostic Performance of CT Texture Features in PA Group and Malignant Epithelial Tumor Group

Index	AUC	P value	95% CI	Cutoff Value	Sensitivity	Specificity
Energy	0.887	<0.01	0.820–0.955	14,772,788.000	0.970	0.620
Mean	0.734	<0.01	0.620–0.848	67.785	0.667	0.780
Correlation	0.739	<0.01	0.631–0.847	0.422	0.788	0.700
Sum entropy	0.623	0.059	0.502–0.744	1.994	0.879	0.380

Abbreviation: AUC, area under the ROC curve.