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Table 1 General characteristics of renal cancer cases and healthy controls

From: Apolipoprotein A1 -75 G/A and +83 C/T polymorphisms and renal cancer risk

Variables Cases Controls P
Number of subjects 216 216  
Gender (Men/Women) 165/135 163/137 0.87
Age (years) 43.6 ± 9.1 44.1 ± 9.3 0.51
Grade    
 1 55   
 2 129   
 3 + 4 32   
Tumor classification    
 T1 103   
 T2 49   
 T3 57   
 T4 7   
Lymph node invasion status    
 Negative 199   
 Positive 17   
Distant metastasis status    
 Negative 188   
 Positive 28   
Pathology    
 Clear cell carcinoma 197   
 Granular cell carcinoma 15   
 Chromophobe cell carcinoma 4   
  1. Abbreviations: SD, standard deviation