Skip to main content

Table 2 Prevalence of BRCA1 causative variants in ovarian cancer by age of onset and family history

From: Frequency of BRCA1 and BRCA2 causative founder variants in ovarian cancer patients in South-East Poland

  Number of cases Number with a mutation Proportion with a mutation (%)
Age group
  ≤ 50 31 3 9.7
  > 50 127 7 5.5
Family history
 Positive 39 6 15.4
 Negative 119 4 3.4
 All cases together 158 10 6.3