Table 2.

Breast cancer screening test results by age group and mammogram indication, National Breast and Cervical Cancer Early Detection Program, 2009–2012

	Total (40–64 years)		40–49 years		50–64 years
	n	%	n	%	n	%
Indication of screening
Total screening mammograms	941,649	100.0	284,110	100.0	657,539	100.0
Normal
Total normal	795,825	84.5	228,243	80.3	567,582	86.3
Negative	452,497	48.1	140,226	49.4	312,271	47.5
Benign	329,550	35.0	83,112	29.3	246,438	37.5
Probably benign	13,506	1.4	4,791	1.7	8,715	1.3
Unsatisfactory	272	<0.1	114	<0.1	158	<0.1
Abnormal
Total abnormal	145,824	15.5	55,867	19.7	89,957	13.7
Suspicious abnormality	3,856	0.4	1,450	0.5	2,406	0.4
Highly suggestive of malignancy	732	0.1	187	0.1	545	0.1
Assessment incomplete	136,357	14.5	52,812	18.6	83,545	12.7
Non-program	7	<0.1	1	<0.1	6	<0.1
Film comparison required	4,872	0.5	1,417	0.5	3,455	0.5
Indication of diagnostic
Total diagnostic mammograms	175,310	100.0	82,397	100.0	92,913	100.0
Normal
Total normal	105,093	59.9	47,203	57.3	57,890	62.3
Negative	38,320	21.9	17,572	21.3	20,748	22.3
Benign	53,423	30.5	23,073	28.0	30,350	32.7
Probably benign	13,303	7.6	6,533	7.9	6,770	7.3
Unsatisfactory	47	<0.1	25	<0.1	22	<0.1
Abnormal
Total abnormal	70,217	40.1	35,194	42.7	35,023	37.7
Suspicious abnormality	12,071	6.9	6,042	7.3	6,029	6.5
Highly suggestive of malignancy	4,860	2.8	1,494	1.8	3,366	3.6
Assessment incomplete	51,145	29.2	26,676	32.4	24,469	26.3
Non-program	916	0.5	478	0.6	438	0.5
Film comparison required	1,225	0.7	504	0.6	721	0.8