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Table 4 p values for statistical analyses of dosimetric parameters among HT, PA-VMAT and DA-VMAT

From: Application of piecewise VMAT technique to whole-brain radiotherapy with simultaneous integrated boost for multiple metastases

Parameters

DA-VMAT versus P-VMAT

DA-VMAT versus HT

P-VMAT versus HT

PTV-brain

   

 V40 (%)

0.878

0.878

0.203

 V44 (%)

0.005

0.007

0.005

 CI

0.007

0.007

0.005

GTV

   

 V60 (%)

0.407

0.575

0.721

 D5% (Gy)

0.009

0.005

0.007

 HI

0.007

0.005

0.013

Lens L

   

 Dmax (Gy)

0.005

0.285

0.333

 Dmean (Gy)

0.005

0.441

0.445

Lens R

   

 Dmax (Gy)

0.005

0.445

0.721

 Dmean (Gy)

0.005

0.093

0.028

Hippocampus L

   

 Dmax (Gy)

0.007

0.028

0.013

 Dmean (Gy)

0.005

0.022

0.009

Hippocampus R

   

 Dmax (Gy)

0.005

0.074

0.013

 Dmean (Gy)

0.005

0.074

0.017

Optic nerve L

   

 Dmax (Gy)

0.005

0.022

0.005

 Dmean (Gy)

0.284

0.005

0.005

Optic nerve R

   

 Dmax (Gy)

0.005

0.285

0.005

 Dmean (Gy)

0.047

0.005

0.005

Optic chiasm

   

 Dmax (Gy)

0.005

0.114

0.005

 Dmean (Gy)

0.005

0.153

0.009

Spinal cord

   

 Dmax (Gy)

0.203

0.005

0.005

Brain stem

   

 Dmax (Gy)

0.009

0.007

0.959