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Table 3 Univariate and multivariate analysis of gastric cancer patients’ clinicopathological features for DFS

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

Characteristics 5-DFS (%) Univariate
P value
HR Multivariate
P value
Sex   0.266   
 Male 54.2    
 Female 0    
Age   0.596   
 <60 33.3    
 ≥60 56.3    
Differentiation   0.932   
 Differentiated 50.0    
 Undifferentiated 41.7    
Primary tumor size   0.731   
 <3 cm 33.3    
 ≥3 cm 50.3    
Lymphatic invasion   0.731   
 LI (−) 33.3    
 LI (+) 50.3    
Vascular invasion   0.049   0.061
 VI (−) 30.3   Ref 0.128  
 VI (+) 80.0  
Perineural invasion   0.858   
 PI (−) 50.5    
 PI (+) 40.0    
T stage   0.297   
 T1-2 33.3    
 T3-4 55.6    
N stage   0.761   
 N0 50.0    
 N1-3 46.4    
AJCC 7th stage   0.227   
 Stage 1–2 28.6    
 Stage 3-4 63.5    
Number of metastatic
Tumor
  0.059   
 Single 30.3    
 Multiple 80.0    
Size of metastatic
Tumor
  0.702   
 <3 cm 40.0    
 ≥3 cm 62.5    
Lobar distribution   0.683   
 Unilobar 46.4    
 Bilobar 50.0    
Type of treatment   0.073   0.072
 Hepatic resecction 80.0   Ref
7.171
 
 RFA 30.3   
  1. DFS disease-free survival, HR hazard ratio, LI lymphatic invasion, VI venous invasion, NI perineural invasion, RFA radiofrequency ablation
  2. *log-rank test