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Table 1 General characteristics of the study population

From: Hormone-receptor expression and survival patterns in operated cases of female invasive ductal breast carcinoma in Kerala: a retrospective cohort study

Variable   N (number) %
Menopausal    
  Pre-menopausal 111 58.73
  Post-menopausal 78 41.27
Grade I 13 6.8
  II 104 55
  III 72 38.1
Stage I 11 5.8
  II 127 67.2
  III 51 27
Tumor size    
  T1 14 7.4
  T2 120 63.2
  T3 34 17.9
  T4 21 11.1
ER status    
  ER+ 107 56.61
  ER− 82 43.39
PR status    
  PR+ 113 60
  PR− 76 40
Hormone-receptor status    
  ER + PR+ 103 54.5
  ER + PR− 4 2.1
  ER − PR+ 10 5.3
  ER − PR− 72 38.1