| Demographics |  |
---|---|---|
 | High Risk | Cancer |
 | NAF(plasma) | NAF(plasma) |
Samples | 35(26)1 | 12(13)2 |
Age (years) | Â | Â |
   Median | 53(50.5) | 59(58) |
   Range | 30–81(30–81) | 35–77(35–77) |
Premenopausal | 14(11) | 3(3) |
Race | Â | Â |
   White | 34(25) | 12(13) |
   Black | 0 | 0 |
   Asian | 0 | 0 |
   American Indian | 1(1) | 0 |
Primary risk factors for enrollment | Â | Â |
   Family history | 17(17) | 0 |
   Atypia | 6(6) | 0 |
   History of breast cancer | 3(3) | 0 |
   New contralateral breast cancer | 9(0) | 0 |
   New ipsilateral breast cancer | 0 | 12(13) |
Concomitant medications | Â | Â |
   Vitamins | 14(12) | 3(3) |
   Alternative therapies | 7(4) | 1(2) |