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Table 1 Group statistics of study cohorts

From: Common low-penetrance risk variants associated with breast cancer in Polish women

  High risk mutation carriers* No BRCA1/2mutation carriers Total Median age
Familial BCa (with family history) 168 617 785 43 (29–65)
Sporadic BCa (without family history) 75 564 639 45 (17–62)
All BCa cases 243 1181 1424 44 (17–65)
Controls - - 1788 58 (26–79)
  1. * Women with any of BRCA1 mutations presented in Table 2. None of patients carried any of selected BRCA2 mutations.