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Table 3 Wilcoxon signed ranks test of the RPC sagital film plane and VPP gamma indexes mean values

From: IMRT credentialing for prospective trials using institutional virtual phantoms: results of a joint European Organization for the Research and Treatment of Cancer and Radiological Physics Center project

 

3%/3 mm (%) [SD]

p value

5%/5 mm (%) [SD]

p value

7%/4 mm (%) [SD]

p value

  

0.02

 

0.21

 

0.08

RPC (RPCPH)

82.7 [10.2]

 

96.1 [5.3]

 

98.0 [2.6]

 

VPP (INSTPH)

93.5 [5.4]

 

98.9 [1.5]

 

99.4 [1.2]

 
  1. Abbreviations: RPC: Radiological Physics Center; VPP: Virtual Phantom Project.