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Table 3 Summary of the mean probability of survival factorized according to significant variables

From: Radiation treatment with volumetric modulated arc therapy of hepatocellular carcinoma patients. Early clinical outcome and toxicity profile from a retrospective analysis of 138 patients

Factor Probability of survival (months) [95% C.I.] P value
Sex Male: 13.1 [11.1 – 15.1] 0.05
  Female: 15.2 [11.4 – 19.0]  
Portal vein thrombosis No: 17.7 [14.9 – 20.5] <0.001
  Yes: 10.1 [7.9 - 12.3]  
BCLC stage A: 25.7 [20. – 30.9] <0.001
  B: 20.1 [16.3 – 23.9]  
  C: 13.5 [11.7 – 15.4]  
Child-Pugh A: 14.8 [12.6 – 17.1] 0.02
  B: 9.9 [7.3 – 12.6]  
Hepatitis No: 16.6 [12.1 – 21.1] 0.05
  B: 10.9 [8.6 – 13.3]  
  C: 16.3 [12.9 – 19.7]  
  B&C: 10.5 [4.1 – 16.8]  
Baseline AFP Baseline: 17.2 [12.8 – 21.6] 0.03
  Low risk:14.6 [11.5 – 17.7]  
  High risk:9.3 [7.7 – 10.9]  
Tumour localisation Right lobe: 14.6 [11.5 – 17.6] 0.03
  Left lobe: 20.0 [15.7 – 24.3]  
  Bilateral: 11.8 [9.4 – 14.2]  
Total dose 45 Gy: 8.6 [5.1 – 12.1] 0.01
  60 Gy: 13.5 [11.4 – 15.5]  
  66 Gy: 25.9 [21.1 – 30.7]  
Volume of normal liver Receiving >15Gy <30%: 21.0 [17.6 – 24.4] 0.001
  >30%: 18.6 [16.9 – 20.4]  
  1. In brakets the 95% confidence interval level.