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Table 1 Patient and specimen characteristics

From: Targeted mutation detection in breast cancer using MammaSeq™

  Patients with available tumor tissue (n = 46) Patients with available blood samples (n = 7)
Age
 Median age (years) 45 53
 Range (years) 31–71 24–62
Race
 White 45 (97.8%) 7 (100.0%)
 Black 1 (2.2%) 0 (0.0%)
Site
 Primary 10 (21.7%) 0 (0.0%)
 Metastatic 36 (78.3%) 7 (100.0%)
Stage (Dx)
 I 10 (21.7%) 0 (0.0%)
 II 8 (17.4%) 3 (21.4%)
 III 13 (28.3%) 0 (0.0%)
 IV 4 (8.7%) 2 (14.3%)
 Unknown 11 (23.9%) 2 (14.3)
Hormone-receptor
 HR+ and HER2– 19 (41.3%) 2 (28.6%)
 HR+ and HER2+ 5 (10.9%) 0 (0.0%)
 HR+ and HER2 unknown 1 (2.2%) 0 (0.0%)
 HR– and HER2+ 1 (2.2%) 0 (0.0%)
 HR– and HER2– 17 (36.9%) 0 (0.0%)
 Both unknown 2 (4.3%) 5 (71.4%)
Histopathology
 Ductal 34 (73.9%) 7 (100%)
 Lobular 5 (10.9%) 0 (0.0%)
 Mixed 3 (6.5%%) 0 (0.0%)
 Other/unknown 4 (8.7%) 0 (0.0%)