Table 2.

Homogeneity and Conformity Index of Target Volumes

		HI			CI
		c3DCRT	f3DCRT	IMRT	c3DCRT	f3DCRT	IMRT
GTV	mean	0.8	0.8	1.1
	SD	0.2	0.2	0.3
	p	p1 < 0.05	p2 < 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	p1 < 0.05	p2 < 0.05	Ref	p1 < 0.05	p2 < 0.05	Ref

HI: homogeneity index;

CI: Conformity index

c3DCRT: classic tridimensional conformal radiotherapy;

f3DCRT: fitting tridimensional conformal radiotherapy,

IMRT: intensity modulated radiation therapy;

GTV: gross tumor volume;

CTV: clinical target volume;

PTV: planning target volume;

p_1: c3DCRT vs IMRT_;

p_2: f3DCRT vs IMRT;

Ref:Referencevalue