Table VI.

Predictive performance of the texture and combined models in predicting the microvascular invasion status in the training and validation cohorts.

		Training cohort (n=99)				Validation cohort (n=43)
Model	Phase	AUC	ACC	SEN	SPE	AUC	ACC	SEN	SPE
Texture	AP	0.765	0.768	0.730	0.790	0.773	0.791	0.750	0.815
	PP	0.707	0.727	0.622	0.790	0.623	0.767	0.500	0.926
Combined	AP	0.810	0.798	0.811	0.790	0.794	0.837	0.812	0.852
	PP	0.799	0.758	0.730	0.774	0.706	0.721	0.750	0.704

AP, arterial phase; PP, portal venous phase; AUC, area under the curve; ACC, overall accuracy; SEN, sensitivity; SPE, specificity.