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Table 2 Univariate and multivariate predictors of overall survival

From: Impact on survival of the number of lymph nodes resected in patients with lymph node-negative gastric cancer

  Univariate analysis Multivariate analysis
P value P value Hazard ratio
Age (years) <0.001 <0.001 2.015 (1.789–2.270)
 ≤65    
 >65    
Gender 0.072   
 Male    
 Female    
Race <0.001 <0.001 0.911 (0.878–0.945)
 White    
 Black    
 Indigenous Westerner    
 East Asian    
 Others    
Location 0.532   
 Upper    
 Middle    
 Lower    
 Overlapping    
Tumor size (cm) <0.001 <0.001 1.006 (1.004–1.008)
 Diameter ≤1    
 1< Diameter ≤2    
 2< Diameter ≤3    
 3< Diameter ≤4    
 4< Diameter ≤5    
 Diameter >5    
Grade 0.066   
 Well differentiated    
 Moderately differentiated    
 Poorly differentiated    
 Undifferentiation    
Lymph node-negative group <0.001 <0.001 0.812 (0.777–0.849)
 LNN 1    
 LNN 2    
 LNN 3    
 LNN 4