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. Author manuscript; available in PMC: 2020 May 1.
Published in final edited form as: Breast Cancer Res Treat. 2019 Jan 23;175(1):141–148. doi: 10.1007/s10549-018-05123-6

Table 1.

Patient Demographics

BSO bilateral salpingo-oophorectomy

Clinically detected (n = 22) Screen-detected (n = 92) P-value Interval cancers (n = 11) Screen-detected (n = 64) P-value

All Women Regular Screeners

Age at diagnosis, median (range) 42 (28, 65) 49 (27, 72) 0.01 41 (28, 65) 51 (30, 72) 0.02

Age at genetic testing, median (range) 36 (23, 60) 45 (23, 71) 0.01 36 (26, 60) 48 (23, 71) 0.07

Race < .01 0.03
 Caucasian 17 (77%) 86 (94%) 9 (82%) 59 (92%)
 Black 4 (18%) 0 (0%) 2 (18%) 0 (0%)
 Asian 0 (0%) 4 (4%) 0 (0%) 4 (6%)
 Other 1 (5%) 0 (0%) 0 (0%) 0 (0%)
 Unknown 0 (0%) 2 (2%) 0 (0%) 1 (2%) 0.03

Body mass index, median (range) 24 (19, 32) 27 (18, 46) 0.01 24 (19, 29) 27 (18, 46) 0.02

BRCA mutation 0.13 0.22
 BRCA1 16 (73%) 54 (59%) 7 (64%) 35 (55%)
 BRCA2 5 (23%) 37 (40%) 3 (27%) 28 (44%)
 Both 1 (5%) 1 (1%) 1 (9%) 1 (2%)

BSO 6 (27%) 50 (49%) 0.03 4 (36%) 41 (64%) 0.10

Family history of breast cancer 22 (100%) 83 (90%) 0.2 11 (100%) 58 (91%) 0.6