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Table 4 Evaluation of selected characteristics among patients depending on the diagnosis of breast cancer before prophylactic surgery

From: Prophylactic salpingo-oophorectomy in BRCA1 mutation carriers and postoperative incidence of peritoneal and breast cancers

Characteristic Breast cancer before surgery
Not identified n = 115   Identified n = 80   N p
Death 1 0.87 % 12 15.00 % 13 p = 0.00010
Development of cancer 6 5.22 % 10 12.50 % 16 p = 0.06835
Development of peritoneal cancer 0 0.00 % 2 2.50 % 2 p = 0.08832
Development of breast cancer 6 5.22 % 8 10.00 % 14 p = 0.20318
Development of primary breast cancer 6 5.22 % 3 3.75 % 9 p = 0.63096
  5382insC 78 67.83 % 50 62.50 % 128 p = 0.44111
Type of mutation C61G 24 20.87 % 24 30.00 % 48 p = 0.14543
  4153DelA 13 11.30 % 6 7.50 % 19 p = 0.37823