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Table 3 Factors Associated with Overall Survival by Univariable and Multivariable Analysis

From: 3D visualization ablation planning system assisted microwave ablation for hepatocellular carcinoma (Diameter >3): a precise clinical application

FactorsNo.Univariable AnalysisMultivariable Analysis
χ2P ValueHazard RadioP Value
Age (years) 4.1530.042*
 < 6568    
 ≥ 6562    
Gender 0.0400.842
 Male100    
 Female30    
Differentiation 1.0690.820
 Well/moderately54    
 Poorly76    
Comorbidities 0.6610.416
 Yes76    
 No54    
Etiology 0.4720.065
 No13    
 HBV106    
 HCV11    
Cirrhosis 1.2930.728
 Yes114    
 No16    
Tumor Maximal diameter (cm) 16.466< 0.001*7.782 (2.942–19.264)< 0.001*
 3–584    
 > 546    
Tumor volume (ml) 11.2750.001*
 ≤ 62.593    
 > 62.537    
Tumor number 0.2490.6180.343(0.143–0.836)0.003*
 Single71    
 Multiple59    
Adjacent major organ 2.8010.278
 Large vessels17    
 Diaphragm29    
 Gastrointestinal tract26    
 No58    
Location 1.9910. 370
 Left liver lobe25    
 Right liver lobe101    
 Left + Right liver lobe4    
CTP grade 6.3120.012*
 A124    
 B6    
α-fetoprotein level (ng/ml) 3.1760.075
 > 40064    
 ≤ 40066    
Preoperative TACE 26.433<0 .001*8.882 (3.698–21.334)<0 .001*
 Yes29    
 No101    
Sessions 0.8340.361
 1110    
 > 120    
Preoperative planning 0.5200.821
 3D66    
 2D64    
  1. Note. Date in parentheses are 95% confidence intervals. TACE Transarterial chemoembolization, CTP Child-Turcotte-Pugh, 3D Three dimensional planning, 2D Two dimensional planning. * P less than 0.05 was considered as significant difference