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Table 1 Patient and tumor characteristics for the 143 reference invasive ductal breast cancer data series

From: Expression of glucosylceramide synthase in invasive ductal breast cancer may be correlated with high estrogen receptor status and low HER-2 status

Characteristics Number of patients (%)
Age (years)   
  <35 8 (5.60)
  35-60 108 (75.5)
  >60 27 (18.9)
Tumor stage   
  T1-2 131 (91.6)
  T3-4 12 (8.40)
Nodal stage   
  N0 72 (50.3)
  N1-x 71 (49.7)
Histologic grade   
  Grade I 16 (17.2)
  Grade II 99 (69.2)
  GradeIII 28 (19.6)
ER   
  Negative 51 (35.7)
  Positive 92 (64.3)
PR   
  Negative 52 (36.4)
  Positive 91 (63.6)
HER-2   
  Negative 104 (72.7)
  Positive 39 (27.3)
Ki67   
  <14% 30 (18.2)
  ≥14% 113 (81.8)
  1. ER, estrogen receptor; PR, progesterone receptor; HER-2, human epidermal growth factor-2.