Table 1.
Patient characteristics and demographics.
| Variable | Category | Counts | Percent |
|---|---|---|---|
| AVERAGE AGE OF DIAGNOSIS (RANGE) 47 (30–75) | |||
| BRCA mutation status | Negative | 69 | 81.2 |
| Positive | 16 | 18.8 | |
| Age of diagnosis (by group) | ≤40 | 30 | 35.3 |
| >40 | 55 | 64.7 | |
| BRCAPRO estimations (average) | At age of DCIS diagnosis | 0–97 | 15 |
| Addition of 10 years to age of DCIS diagnosis | 0–89.9 | 10 | |
| As No Cancer | 0–35 | 2 | |
| Race | White | 72 | 84.7 |
| African–American | 3 | 3.5 | |
| Hispanic | 5 | 5.9 | |
| Asian | 5 | 5.9 | |
| Ashkenazi Jewish (AJ) Ancestry | Unknown | 1 | 1.2 |
| No | 77 | 90.6 | |
| Yes | 7 | 8.2 | |
| FAMILY HISTORY CHARACTERISTICS | |||
| First degree relatives with BC | 0 | 47 | 55.3 |
| 1 | 30 | 35.3 | |
| 2 | 8 | 9.4 | |
| Second degree relatives with breast cancer | 0 | 28 | 32.9 |
| 1 | 37 | 43.5 | |
| 2 | 20 | 23.5 | |
| Total number of relatives with BC | 0 | 9 | 10.6 |
| 1 | 15 | 17.7 | |
| 2 | 20 | 23.5 | |
| 3 | 21 | 24.7 | |
| 4 | 20 | 23.5 | |
| First degree relatives with ovarian cancer | 0 | 80 | 94.1 |
| 1 | 5 | 5.9 | |
| Second degree relatives with ovarian cancer | 0 | 77 | 90.6 |
| 1 | 6 | 7.1 | |
| 2 | 2 | 2.4 | |
| Total number of relatives with ovarian cancer | 0 | 68 | 80.0 |
| ≥1 | 17 | 20.0 | |
| Bilateral salphingo oophorectomy (BSO) | Unknown | 3 | 3.5 |
| No | 64 | 75.3 | |
| Yes | 18 | 21.2 | |
| TUMOR CHARACTERISTICS | |||
| Nuclear grade | I | 6 | 7.1 |
| II | 35 | 41.2 | |
| III | 34 | 40.0 | |
| Unknown | 10 | 11.8 | |
| Estrogen receptor (ER) | Negative | 11 | 12.9 |
| Positive | 59 | 69.4 | |
| Unknown | 15 | 17.7 | |
| Progesteron receptor (PR) | Negative | 18 | 21.2 |
| Positive | 51 | 60.0 | |
| Unknown | 16 | 18.8 | |