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Table 3 Dosimetric parameters

From: Scoring system predictive of survival for patients undergoing stereotactic body radiation therapy for liver tumors

Characteristic n
Tumor volume, cm 3  
 Mean 83
 Median 32
 Range 0.37-643.5
Prescribed dose, Gy  
 Mean 28
 Median 30
 Range 16-50
Number of fractions  
 Median 3
 Range 1-5
 Median dose per fraction 10 Gy
BED 10 , Gy  
 Mean 56
 Median 60
 Range 28-113
Prescription isodose line, %  
 Mean 75
 Median 75
 Range 60-90
Conformality index  
 Mean 1.70
 Median 1.56
 Range 1.15-3.12