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Clinical Demographics by Indication for Examination for 714,984 Diagnostic Mammography Examinations from 1996 - 2005

  Work-Up of Abnormal Screening Examination Short-Interval Follow-Up Evaluation of Breast Problem/No Lump or Lump Unknown Evaluation of Breast Problem/Palpable Lump All Diagnostic Examinations
All examinations 232,678 163,155 202,490 116,661 714,984
Age (y)          
<30 441 (0.2) 223 (0.1) 2,969 (1.5) 4,623 (4.0) 8,256 (1.2)
30-39 11,916 (5.1) 9,200 (5.6) 23,681 (11.7) 27,144 (23.3) 71,941 (10.1)
40-49 76,633 (32.9) 48,491 (29.7) 55,290 (27.3) 40,340 (34.6) 220,754 (30.9)
50-59 68,642 (29.5) 48,370 (29.6) 51,598 (25.5) 22,704 (19.5) 191,314 (26.8)
60-69 41,112 (17.7) 30,315 (18.6) 34,874 (17.2) 11,689 (10.0) 117,990 (16.5)
70-79 25,996 (11.2) 20,207 (12.4) 24,836 (12.3) 7,227 (6.2) 78,266 (10.9)
80+ 7,938 (3.4) 6,349 (3.9) 9,242 (4.6) 2,934 (2.5) 26,463 (3.7)
Mean (y) 55.0 55.8 54.5 48.2 53.9
Median (y) 53.0 54.0 53.0 46.0 52.0
Family history of breast cancer          
Yes 27,728 (11.9) 22,641 (13.9) 24,845 (12.3) 13,436 (11.5) 88,650 (12.4)
No or unknown 204,950 (88.1) 140,514 (86.1) 177,645 (87.7) 103,225 (88.5) 626,334 (87.6)
Personal history of breast cancer          
Yes 16,556 (7.1) 27,923 (17.1) 56,879 (28.1) 11,065 (9.5) 112,423 (15.7)
No or unknown 216,122 (92.9) 135,232 (82.9) 145,611 (71.9) 105,596 (90.5) 602,561 (84.3)
Previous mammography performed          
Yes 231,478 (99.5) 162,658 (99.7) 180,217 (89.0) 93,061 (79.8) 667,414 (93.3)
No or unknown 1,200 (0.5) 497 (0.3) 22,273 (11.0) 23,600 (20.2) 47,570 (6.7)

Note: Numbers in parentheses are percentages.

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/xx from the Breast Cancer Surveillance Consortium Web site - http://breastscreening.cancer.gov/data/benchmarks/diagnostic/table2.html

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