BCSC
Breast Cancer Surveillance Consortium: Working together to advance breast cancer research
 
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Clinical Demographics for 2,061,691 Screening Mammography Examinations from 2004 - 2008 -- based on BCSC data through 2009

You are viewing the 2009 collection of this data. Data from other times are also available:
  All Screening Examinations
All examinations 2,061,691
Age (y)
18-39 61,680 (3.0)
40-44 260,133 (12.6)
45-49 301,257 (14.6)
50-54 324,774 (15.8)
55-59 310,625 (15.1)
60-64 243,207 (11.8)
65-69 192,407 (9.3)
70-74 150,477 (7.3)
75-79 116,879 (5.7)
80+ 100,252 (4.9)
Mean (y) 57.3
Median (y) 56
Family history of breast cancer
Yes 312,116 (15.7)
No 1,677,549 (84.3)
Unknown 72,026
Personal history of breast cancer
Yes 55,117 (3.0)
No 1,756,613 (97.0)
Unknown 249,961
Previous mammography performed
Yes 1,809,448 (92.4)
No 149,494 (7.6)
Unknown 102,749
Self-report of Symptoms
Yes 42,665 (2.2)
No 1,875,384 (97.8)
Unknown 143,642

Notes

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

Screening Mammography Examinations: mammography examinations indicated by the radiologist to be for screening, with bilateral routine views done and no other mammogram within the last 9 months, among women without breast implants.

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

Table numbers last updated Sept 26, 2013 . The following source must be cited when reproducing this table: NCI-funded Breast Cancer Surveillance Consortium (HHSN261201100031C). Downloaded xx/xx/xxxx from the Breast Cancer Surveillance Consortium Web site - http://breastscreening.cancer.gov/statistics/benchmarks/screening/2009/table2.html .

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