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Table 2

Comparison of GIRK1 expression to tumor characteristics usingχ2 statistical analysis

GIRK1 positivenχ2
LNM status    
LNM 50% 26  
No LNM 13% 30 0.0029a 
Tumor size (cm)    
≤2 26% 39  
>2 41% 17 0.25 
ER status    
ER+ 29% 42  
ER− 36% 14 0.61 
Tumor grade    
16% 12  
35% 23  
33% 21 0.26 
GIRK1 positivenχ2
LNM status    
LNM 50% 26  
No LNM 13% 30 0.0029a 
Tumor size (cm)    
≤2 26% 39  
>2 41% 17 0.25 
ER status    
ER+ 29% 42  
ER− 36% 14 0.61 
Tumor grade    
16% 12  
35% 23  
33% 21 0.26 
a

χ2 analysis for significance. A significant statistical correlation between GIRK1 expression and tumor characteristics was identified when the returned P was <0.05.

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