Table 4.

Relative percentage OED which is normalized by OED of IMRT

ID	Modality \ Site	Thyroid	Pancreas	Bowel	Rectum	Prostate/Cervix
1	IMRT	100.00±0.64	100.00±0.64	100.00±0.18	100.00±0.49	100.00±0.49
	Rapidarc	100.47±1.10	96.63±1.06	92.66±0.48	86.66±0.44	84.06±0.43
	Tomotherapy	37.53±0.28	42.19±0.31	54.67±0.10	85.77±0.42	108.61±0.53
2	IMRT	100.00±2.37	100.00±2.37	100.00±0.60	100.00±0.13	100.00±0.13
	Rapidarc	93.86±2.33	93.26±2.31	92.91±0.59	93.14±0.16	93.45±0.16
	Tomotherapy	66.59±1.59	55.35±1.32	65.36±0.50	96.76±0.20	96.91±0.20
3	IMRT	100.00±0.40	100.00±0.09	100.00±0.09	100.00±0.02	100.00±0.02
	Rapidarc	71.26±0.37	105.03±0.18	97.48±0.17	113.00±0.09	108.42±0.09
	Tomotherapy	45.33±0.21	110.78±0.18	93.82±0.15	130.36±0.06	118.89±0.05
4	IMRT	100.00±3.55	100.00±3.55	100.00±0.67	100.00±0.13	100.00±0.13
	Rapidarc	87.51±3.12	80.51±2.88	77.15±0.60	72.83±0.35	71.40±0.34
	Tomotherapy	38.94±1.40	41.04±1.48	50.34±0.35	72.60±0.12	88.55±0.15
5	IMRT	100.00±0.08	100.00±3.23	100.00±4.56	100.00±0.40	100.00±0.19
	Rapidarc	86.57±1.42	65.38±2.37	58.22±2.69	47.52±0.24	47.39±0.23
	Tomotherapy	33.71±0.20	26.57±0.87	29.12±1.36	40.31±0.16	44.77±0.11