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Table 2 Homogeneity and Conformity Index of Target Volumes

From: Intensity-modulated radiation therapy (IMRT) vs. 3D conformal radiotherapy (3DCRT) in locally advanced rectal cancer (LARC): dosimetric comparison and clinical implications

  

HI

CI

  

c3DCRT

f3DCRT

IMRT

c3DCRT

f3DCRT

IMRT

GTV

mean

0.8

0.8

1.1

   
 

SD

0.2

0.2

0.3

   
 

p

p 1 < 0.05

p 2 < 0.05

Ref

   

PTV

mean

1.1

1.1

1.6

0.5

0.6

0.8

 

SD

0.1

0.2

0.3

0.1

0.1

0.1

 

p

p 1 < 0.05

p 2 < 0.05

Ref

p 1 < 0.05

p 2 < 0.05

Ref

  1. HI: homogeneity index;
  2. CI: Conformity index
  3. c3DCRT: classic tridimensional conformal radiotherapy;
  4. f3DCRT: fitting tridimensional conformal radiotherapy,
  5. IMRT: intensity modulated radiation therapy;
  6. GTV: gross tumor volume;
  7. CTV: clinical target volume;
  8. PTV: planning target volume;
  9. p 1: c3DCRT vs IMRT;
  10. p 2: f3DCRT vs IMRT;
  11. Ref:Referencevalue
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Radiation Oncology

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