Table 5.

MR detected additional malignancy stratified by BPE.

	Density	Total	True positives (%)	False positive (%)	No add. disease (%)
Low	DM	143	16 (11%)	12 (8%)	115 (81%)
BPE	DBT	132	16 (12%) p = 0.810	5 (4%) p = 0.113	111 (85%) p = 0.427
High	DM	58	12 (21%)	6 (11%)	40 (68%)
BPE	DBT	55	6 (10%) p = 0.160	8 (14%) p = 0.498	41(74%) p = 0.511

DM: digital mammography.

DBT: digital breast tomosynthesis.

BPE: background parenchymal enhancement.

No additional disease: defined as a negative result by MR including both TN and FN.