Table 1.

The predicting performance for CT signs model, radiomics model and combined model

Model	CT signs	Radiomics	CT signs + radiomics
Threshold	0.431	0.107	0.458
AUC (95% CI)	0.906 (0.86–0.953)	0.888 (0.8335–0.9417)	0.959 (0.930–0.987)
Sensitivity (95% CI)	0.865 (0.7774 to 0.9227)	0.865 (0.7774 to 0.9227)	0.899 (0.8168 to 0.9479)
Specificity (95% CI)	0.815 (0.7029 to 0.8927)	0.784 (0.6691 to 0.8683)	0.907 (0.8096 to 0.9603)
Positive prediction (95% CI)	0.865 (0.7774 to 0.9227)	0.846 (0.7569 to 0.9074)	0.930 (0.8532 to 0.9705)
Negative prediction (95% CI)	0.815 (0.7029 to 0.8927)	0.809 (0.6944 to 0.8891)	0.868 (0.7650 to 0.9310)
Accuracy (95% CI)	0.844 (0.7780 to 0.8936)	0.831 (0.7636 to 0.8826)	0.903 (0.8445 to 0.9411)

AUC, area under curve