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Table 3 Patient characteristics

From: A phase I dose-escalation trial of stereotactic body radiotherapy using 4 fractions for patients with localized prostate cancer

Variables Values SD
Age (y.o.) 71.9 4.74
iPSA (ng/mL) 7.94 3.66
Gleason score
 3 + 3 11  
 3 + 4 6  
 4 + 3 10  
T stage
 1c 12  
 2a 11  
 2b 3  
 2c 1  
Positive cores (%) 32.2 29.3
Hormonal therapy
 Yes 10  
 No 17  
CTV (cm3) 47.7 22.7
PTV (cm3) 96.9 35.4
  1. Abbreviations: iPSA initial prostate specific antigen, SD Standard deviation, CTV Clinical target volume, PTV Planning target volume, Values are mean or number