Treatment plan		HI	CI
3D-CRT		0.23 ± 0.12	0.50 ± 0.08
IMRT		0.23 ± 0.13	0.59 ± 0.11
Hybrid-IMRT		0.17 ± 0.05	0.61 ± 0.07
CRT vs IMRT	t	0.105	−2.432
CRT vs IMRT	P value	0.987	0.024
CRT vs Hybrid	t	2.853	−4.522
CRT vs Hybrid	P value	0.089	0.001
IMRT vs Hybrid	t	−1.592	0.612
IMRT vs Hybrid	P value	0.106	0.549