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Table 2 Clinicopathological characteristics in the premenopausal women

From: Differences in breast carcinoma immunohistochemical subtypes between immigrant Arab and European women

  European Arabic/Moroccan P-value
Number 86 56  
Mean age (SD) 43 (4) 42 (15) NS
Mean size (SD) 22 (14) 24 (17) NS
pT    
< 20 mm 47 (55%) 30 (54%) NS
≥ 20 mm 39 (45%) 26 (46%)  
Tumor grade    
G1 12 (14%) 1 (2%) 0.02
G2 42 (49%) 27 (48%) NS
G3 32 (37%) 28 (50%) NS
Nodes    
N positive 23 (27%) 18 (32%) NS
N Negative 63 (73%) 38 (68%)  
Estrogen receptors    
Positive (>1%) 71 (83%) 45 (80%) NS
Negative 15 (17%) 11 (20%)  
Progesterone receptors    
Positive (>1%) 61 (71%) 37 (66%) NS
Negative 25 (29%) 19 (34%)  
Mean Ki-67 (SD) 24 (18) 29 (20) 0.04
Molecular classification    
Luminal A 35 (41%) 10 (18%) 0.01
Luminal B 36 (42%) 35 (63%) 0.02
HER2 4 (4%) 3 (5%) NS
Triple negative 11 (13%) 8 (14%) NS