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Table 1 Basic patient characteristics

From: Prevalence of pathogenic BRCA1/2 germline mutations among 802 women with unilateral triple-negative breast cancer without family cancer history

  Total n = 802 GC-HBOC n = 649 GBG n = 153
BRCA mutation status, no (%)
 negative 675 (84.2) 537 (82.7) 138 (90.2)
BRCA1 118 (14.7) 107 (16.5) 11 (7.2)
BRCA2 9 (1.1) 5 (0.8) 4 (2.6)
Age at diagnosis, years (median, range) 40.1 (19.5–76.2) 38.0 (19.5–76.2) 48.0 (21.0–74.0)
 negative 42.0 (19.5–76.2) 38.7 (19.5–76.2) 48.5 (26.0–74.0)
BRCA1 34.1 (21.0–63.5) 33.5 (25.0–63.5) 41.0 (21.0–61.0)
BRCA2 47.2 (34.3–63.1) 47.1 (34.3–63.1) 54.0 (39.0–63.0)