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Table 1 Patient Clinical Characteristics and Neoplasm Characteristics

From: High resolution human leukocyte antigen (HLA) class I and class II allele typing in Mexican mestizo women with sporadic breast cancer: case-control study

   n
Age 50.4 +/- 12.8 (Mean +/- SD)  
Menarche 12.8 (Median)  
Family history Positive 28
  Negative 72
Family planning Positive for hormonal 29
  Negative 71
Tobbaco Positive 16
Clinical stage I 8
  IIa 13
  IIb 23
  IIIa 19
  IIIb 13
  IV 9
  No classified 15
Tumor size 5.2 +/- 3.49 (Mean +/- SD)  
Nodal status N0 26
  N1 46
  N2 21
  N3 1
  Missing 6
Histology Ductal 94
  Lobular 6
Grade Well differentiated 6
  Moderately 38
  Poorly 56
Hormone receptor status Estrogen positive 54
  Estrogen negative 45
  Progesterone positive 29
  Progesterone negative 70