BCSC
Breast Cancer Surveillance Consortium: Working together to advance breast cancer research
 
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Clinical Demographics for 4,032,556 Screening Mammography Examinations from 1996 - 2005 --- based on BCSC data as of 2007

You are viewing the 2007 collection of this data. Data from other times are also available:
  All Screening Examinations
All examinations 4,032,556
Age (y)  
<30 4,914 (0.1)
30-39 170,967 (4.2)
40-49 1,160,492 (28.8)
50-59 1,192,141 (29.6)
60-69 785,133 (19.5)
70-79 545,418 (13.5)
80+ 173,491 (4.3)
Mean (y) 56.6
Median (y) 55.0
Family history of breast cancer  
Yes 476,256 (14.3)
No 2,859,294 (85.7)
Unknown 697,006
Personal history of breast cancer  
Yes 236,937 (7.5)
No 2,916,943 (92.5)
Unknown 878,676
Previous mammography performed  
Yes 3,427,445 (90.2)
No 370,403 (9.8)
Unknown 234,708
Self-report of Symptoms  
Yes 116,844 (3.2)
No 3,538,457 (96.8)
Unknown 377,255

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 September 19, 2007. 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/statistics/benchmarks/screening/2007/table2.html .

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