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Table 4 Correlation of HER-2, ER and PR status with clinicopathological data

From: Correlation of HER-2 over-expression with clinico-pathological parameters in Tunisian breast carcinoma

  HER-2 over-expression ER Positive PR Positive
  n (%) p n (%) p n (%) p
Age   0.28   0.002   0. 76
   ≤ 50 years 17 (21.3)   38 (47.5)   43 (53.8)  
   > 50 years 11 (14.7)   54 (72)   38 (51.4)  
Tumor size   0.104   0.129   0.72
   ≤ 5 cm 18 (15.3)   74 (62.7)   63 (53.4)  
   > 5 cm 10 (27)   18 (48.6)   18 (50)  
Histologic type   0.33   0.31   0.47
   Ductal 22 (16.8)   80 (61.1)   70 (53.8)  
   Non ductal 6 (25)   12 (50)   11 (45.8)  
Lymph-node   0.000   0.88   0.66
   Negative 4 (4,4)   53 (58.9)   46 (51.1)  
   Positive 24 (36.9)   39 (60)   35 (54.7)  
Tumor Grade   0.072   0.000   0.000
   1–2 17 (14.8)   83 (72.2)   70 (61.4)  
   3 11 (27.5)   9 (22.5)   11 (27.5)  
  1. HER-2: Human epidermal growth factor receptor 2; ER: Estrogen receptor; PR: Progesterone receptor.