| Unaffected after 10 yrs | Follow-up <10 yrs | Died within 10 yrs | Breast cancer within 10 yrs | Total |
---|---|---|---|---|---|
All subjects | 730 | 989 | 55 | 83 | 1857 |
Age (yrs) at risk assignment | |||||
20-29 | 117 | 164 | 0 | 3 | 284 |
30-39 | 191 | 208 | 11 | 16 | 426 |
40-49 | 190 | 302 | 12 | 26 | 530 |
50-59 | 155 | 192 | 17 | 25 | 389 |
60-70 | 77 | 123 | 15 | 13 | 228 |
Age (yrs) at first menarche | |||||
≥14 | 147 | 251 | 13 | 16 | 427 |
12-13 | 415 | 503 | 29 | 49 | 996 |
7-11 | 166 | 225 | 11 | 18 | 420 |
Unknown | 2 | 10 | 2 | 0 | 14 |
Age (yrs) at FLB | |||||
<20yr | 27 | 118 | 8 | 2 | 155 |
20-24 | 161 | 227 | 15 | 18 | 421 |
25-29 | 148 | 187 | 10 | 18 | 363 |
≥30 | 117 | 145 | 10 | 20 | 292 |
Nulliparous | 277 | 312 | 12 | 25 | 626 |
Menopausal status | |||||
Pre | 448 | 602 | 15 | 40 | 1105 |
Peri | 67 | 104 | 4 | 6 | 181 |
Post | 173 | 205 | 28 | 29 | 435 |
Unknown | 42 | 78 | 8 | 8 | 136 |
HRT use | |||||
Never | 583 | 814 | 32 | 59 | 1488 |
Previous user (more than 5 yr ago) | 12 | 18 | 2 | 0 | 32 |
Previous user (less than 5 yr ago) | 31 | 69 | 6 | 10 | 116 |
Current user | 104 | 88 | 15 | 14 | 221 |
Number of breast biopsies | |||||
0 | 593 | 851 | 41 | 61 | 1546 |
1 | 98 | 101 | 7 | 16 | 222 |
≥2 | 39 | 37 | 7 | 6 | 89 |
Atypical hyperplasia | |||||
Absent/Unknown | 727 | 987 | 55 | 82 | 1851 |
Present | 3 | 2 | 0 | 1 | 6 |
First-degree female relatives with BC | |||||
0 | 251 | 336 | 28 | 26 | 641 |
1 | 397 | 544 | 22 | 40 | 1003 |
≥2 | 82 | 109 | 5 | 17 | 213 |
All female relatives with BC | |||||
0 | 75 | 139 | 15 | 10 | 239 |
1 | 321 | 479 | 19 | 29 | 848 |
≥2 | 334 | 371 | 21 | 44 | 770 |
Relatives with OC | |||||
0 | 555 | 752 | 27 | 61 | 1395 |
1 | 127 | 188 | 22 | 17 | 354 |
≥2 | 48 | 49 | 6 | 5 | 108 |
BRCA mutation status | |||||
Total mutation positive | 47 | 45 | 4 | 14 | 110 |
BRCA1 | 36 | 22 | 4 | 8 | 70 |
BRCA2 | 11 | 23 | 0 | 6 | 40 |
Race/Ethnicity | |||||
Non-Hispanic White | 651 | 509 | 36 | 74 | 1270 |
Hispanic | 41 | 332 | 11 | 4 | 388 |
African American | 6 | 42 | 5 | 0 | 53 |
Chinese | 2 | 35 | 0 | 1 | 38 |
Filipino | 0 | 1 | 0 | 0 | 1 |
Other Asian | 4 | 20 | 2 | 1 | 27 |
Other | 26 | 50 | 1 | 3 | 80 |