Skip to main content

Table 2 Prevalence of BRCA1 and BRCA2 mutations in ovarian cancer by age of onset and family history

From: BRCA1 and BRCA2 mutations in ovarian cancer patients from Belarus: update

  Number of cases Number with a mutation Proportion with a mutation (%) p-value
Age group
 -50 54 19 35.2 0.0464
 51+ 160 35 21.9  
Family history     
 Positive for any cancer 115 40 34.8  
 Negative for any cancer 96 14 14.6 0.0009
 Positive for OC/BC 55 28 50.9  
 Negative for OC/BC 156 26 16.7 0.0002
 Unknown 3 1,4