Table 2.

Diagnostic performance of the computer-aided diagnosis system and the novice and experienced readers in the 2 reading modes with the Breast Imaging Reporting and Data System Category 4A threshold. The pathological diagnosis was considered to be the gold standard.

Pathological diagnosis	CADa				Novice reader				Experienced reader
	Cross-planes method		Quadri-planes method		Without-CAD mode		Combined-CAD mode with quadri-planes		Without-CAD mode		Combined-CAD mode with quadri-planes
	+b	–c	+	–	+	–	+	–	+	–	+	–
+	190	10	175	25	120	80	158	42	152	48	174	26
–	137	175	58	254	47	265	38	274	22	290	40	272

^aCAD: computer-aided diagnosis.

^b+: positive diagnosis. Breast Imaging Reporting and Data System assessment categories 4B, 4C, and 5 were considered positive for cancer.

^c–: negative diagnosis.