Diagnostic performance and inter-observer concordance in lesion detection with the automated breast volume scanner (ABVS)

Table 1 Methods

			Evaluation of ABVS data (experimental method)
			BI-RADS® ABVS
			0	1	2	3	4	5
Evaluation in conventional ultrasound (gold standard)	BI-RADS®-US	0	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.
		1	FP	TN	TN	FP	FP	FP
		2	FP	TN	TN	FP	FP	FP
		3	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.
		4	n.a.	n.a.	n.a.	n.a.	n.a.	n.a.
		5	TP	FN	FN	TP	TP	TP

Concerning the performance of the ABVS examination the above scheme was applied to define cases as true-positive (TP), true-negative (TN), false-positive (FP) or false-negative (FN).

ISSN: 1471-2342