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Clinical Demographics for 2,264,089 Screening Mammography Examinations from 2002 - 2006 --- based on BCSC data as of 2009

You are viewing the 2009 collection of this data. Data from other times are also available:

2007

	All Screening Examinations
All examinations	2,264,089
Age (y)
<30	1,998 (0.1)
30-39	75,905 (3.4)
40-49	635,748 (28.1)
50-59	699,034 (30.9)
60-69	450,260 (19.9)
70-79	297,096 (13.1)
80+	104,048 (4.6)
Mean (y)	56.9
Median (y)	55.0
Family history of breast cancer
Yes	303,732 (15.1)
No	1,708,599 (84.9)
Unknown	251,758
Personal history of breast cancer
Yes	61,011 (3.0)
No	1,973,910 (97.0)
Unknown	229,168
Previous mammography performed
Yes	1,958,393 (91.7)
No	177,089 (8.3)
Unknown	128,607
Self-report of Symptoms
Yes	52,229 (2.5)
No	2,009,457 (97.5)
Unknown	202,403

Notes

Numbers in parentheses are percentages based on non-missing values.

Self-report of symptoms includes lump, discharge and other symptoms, but does not include pain.

Table numbers last updated December 27, 2009. The following source must be cited when reproducing this table: NCI-funded Breast Cancer Surveillance Consortium co-operative agreement (U01CA63740, U01CA86076, U01CA86082, U01CA63736, U01CA70013, U01CA69976, U01CA63731, U01CA70040). Downloaded xx/xx/xxxx from the Breast Cancer Surveillance Consortium Web site - http://breastscreening.cancer.gov/data/benchmarks/screening/2009/table2.html .

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Division of Cancer Control and Population Sciences