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Table 2 Treatment results

From: Comparison of CT and PET-CT based planning of radiation therapy in locally advanced pancreatic carcinoma

Parameters CT PET-CT P
GTV (cm3)    
Mean ± S.D. 92.5 ± 32.3 104.5 ± 32.6 0.009
Min-max 50.0–161.2 57.8–167.4  
PTV (cm3)    
Mean ± S.D. 479.4 ± 103.4 535.2 ± 96.2 0.008
Min-max 337.4–708.4 376.5–728.2  
Spinal cord dose (%)    
Mean ± S.D. 22.8 ± 5.7 23.0 ± 5.3 0.22
Min-max 13.1–31.6 15.9–32.2  
Liver dose (%)    
Mean ± S.D. 36.4 ± 7.3 37.3 ± 7.5 0.17
Min-max 26.1–50,1 27.1–50.8  
Stomach dose (%)    
Mean ± S.D. 42.3 ± 11. 7 46.3 ± 14.5 0.08
Min-max 19.7–59.1 24.4–66.8  
Left kidney dose (%)    
Mean ± S.D. 23.0 ± 5.0 23.9 ± 5.1 0.12
Min-max 14.2–33.5 15.9–31.3  
Right kidney dose (%)    
Mean ± S.D. 44.9 ± 8.7 50.2 ± 11.2 0.03
Min-max 30.8–62.8 28.7–66.2  
  1. Abbreviations: PTV = Planning target volume; GTV = Gross tumor volume; S.D = Standard deviation