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Table 2 Univariate and multivariate analysis of gastric cancer patients’ clinicopathological features for survival

From: Radiofrequency ablation for liver metastases in patients with gastric cancer as an alternative to hepatic resection

Characteristics 5-YSR (%) Univariate
P value*
HR Multivariate
P value
Sex   0.000   0.951
Male 68.2   Ref  
Female 0   408620.765  
Age   0.624   
 <60 41.7    
 ≥60 65.5    
Differentiation   0.034   0.191
 Differentiated 85.7   Ref
4.685
 
 Undifferentiated 25.7   
Primary tumor size   0.853   
 <3 cm 66.7    
 ≥3 cm 58.1    
Lymphatic invasion   0.822   
 LI (−) 66.7    
 LI (+) 60.2    
Vascular invasion   0.369   
 VI (−) 58.2    
 VI (+) 50.0    
Perineural invasion   0.959   
 PI (−) 67.5    
 PI (+) 55.6    
T stage   0.266   
 T1-2 40.0    
 T3-4 73.3    
N stage   0.448   
 N0 50.0    
 N1-3 62.2    
AJCC 7th stage   0.779   
 Stage 1–2 66.7    
 Stage 3-4 56.3    
Number of metastatic
Tumor
  0.237   
 Single 58.6    
 Multiple 66.7    
Size of metastatic
Tumor
  0.427   
 <3 cm 64.8    
 ≥3 cm 58.3    
Lobar distribution   0.821   
 Unilobar 66.8    
 Bilobar 50.0    
Type of treatment   0.671   
 Hepatic resection 68.6    
 RFA 47.6    
  1. 5-YSR 5-year survival rate, HR hazard ratio, LI lymphatic invasion, VI venous invasion, NI perineural invasion, RFA radiofrequency ablation
  2. *log-rank test