Table 4.

Comparison between convolutional neural network (CNN)-SVM model performance and the two expert observers.

Ultrasound Modality	Classifier	AUC	CA	Precision
B-mode	SVM	0.937	0.877	0.883
	Observer 1	0.573	0.608	0.659
	Observer 2	0.545	0.569	0.642
Elastography	SVM	0.976	0.929	0.930
	Observer 1	0.622	0.681	0.693
	Observer 2	0.587	0.612	0.686

AUC, Area Under the Curve; CA, Classification Accuracy; SVM, Support Vector Machine.