From: BRCA1 and BRCA2 mutations and clinical interpretation in 398 ovarian cancer patients: comparison with breast cancer variants in a similar population
Family history
Number of probands (% of total)
Patients with a mutation detected (%)
Yesa
158 (39.7)
55 (34.8)
No
105 (26.4)
10 (9.5)
Not known
135 (33.9)
31 (23.0)