BI-⁠RADS Category	Sensitivity (%, 95%CI)	Specificity (%, 95%CI)	PPV (%, 95%CI)	NPV (%, 95%CI)	Accuracy (%, 95%CI)
3	25.6 (18.2-34.8)	100 (96.5-100)	100	57.1 (54.3-59.9)	63.1 (56-69.2)
4A	22.3 (14.9-32)	22.7 (21.1-39.2)	24.1 (17.8-32.1)	27.9 (21.9-34.6)	25.8 (21.1-33.1)
4B	2.7 (0.5-7.9)	99.3 (95.1-100)	75.2 (24-96.5)	50.5 (50.1-52.1)	51.1 (44.1-57.9)
4C	13.9 (7.9-21.8)	98.1 (92-99.3)	82.8 (60.1-94.3)	53.2 (51-54.8)	56.1 (48.7-62.5)
5	59.9 (50.3-70.1)	100 (97-100)	100	72.1 (67.1-76.1)	79.9 (74.1-84.8)