| All DCIS | No invasive BRCA | Invasive BRCA |  |
---|---|---|---|---|
Covariate | n = 40 | n = 27 (67.5 %) | n = 13 (32.5 %) | P value |
Age (years) | Â | Â | Â | Â |
 Range | 37–78 | 37–78 | 38–76 |  |
 Median | 59 | 63 | 52 |  |
 Mean (sd) | 58.2 (12.8) | 59.1 (13.0) | 56.5 (12.9) | 0.55 |
Follow-up time (years) | Â | Â | Â | Â |
 Median | 7.01 | 8.55 | 2.94 |  |
 Range | 0.94–15.49 | 2.85–15.49 | 0.94–10.33 | 1.60E-04 |
Grade | Â | Â | Â | Â |
 Low/Intermediate (%) | 28 (70.0) | 17 (63.0) | 11 (84.6) |  |
 High | 12 (30.0) | 10 (37.0) | 2 (15.4) | 0.27 |
Tumor size (cm) | Â | Â | Â | Â |
 Median | 1.20 | 1.4 | 1.15 |  |
 Range | 0.15–7.5 | 0.2–7.5 | 0.15–2.1 |  |
 Missing | 8 | 5 | 3 | 0.64 |
Family history of breast cancer | Â | Â | Â | Â |
 No (%) | 25 (62.5) | 17 (63.0) | 8 (61.5) |  |
 Yes | 15 (37.5) | 10 (37.0) | 5 (38.5) | 1.0 |
Menopausal status | Â | Â | Â | Â |
 Pre-menopausal (%) | 15 (37.5) | 9 (33.3) | 6 (46.2) |  |
 Post-menopausal | 25 (62.5) | 18 (66.7) | 7 (53.8) | 0.59 |