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Table 2 Overview of distribution of ethnicity in our South African cohort

From: BRCA1, BRCA2 and PALB2 mutations and CHEK2 c.1100delC in different South African ethnic groups diagnosed with premenopausal and/or triple negative breast cancer

   Black (%) White (%) Indian (%) Coloured (%)
Dx < 50 n = 92 TNBC 7 (7.6) 4 (4.3) 2 (2.2) 1 (1.1)
Not TNBC 70 (76.1) 5 (5.4) 2 (2.2) 1 (1.1)
Dx > 50 n = 16 TNBC 8 (50.0) 7 (43.8) 1 (6.3) 0
Total n = 108   85 (78.7) 16 (14.8) 5 (4.6) 2 (1.9)
  1. Dx: Age at diagnosis