Table 2.

Detailed Dose volume histogram parameters for PTV, GTV, Spinal Cord and Cauda Equina for MRIdian Linac IMRT plans Vs TrueBeam^TM STx VMAT plans

			PTV					GTV				Spinal Cord				Cauda Equina
Case #	Volume	Maximum	Dose (Gy)	D95 (	Gy)	Volume	Maximum	Dose (Gy)	D95 (	Gy)	Maximum	Dose (Gy)	D0.03 cc	(Gy)	Maximum	Dose (Gy)	D0.03	cc (Gy)
	(cc)	MRIdian Linac IMRT	True Beam VMAT	MRIdian Linac IMRT	True Beam VMAT	(cc)	MRIdian Linac IMRT	True Beam VMAT	MRIdian Linac IMRT	True Beam VMAT	MRIdian Linac IMRT	True Beam VMAT	MRIdian Linac IMRT	True Beam VMAT	MRIdian Linac IMRT	True Beam VMAT	MRIdian Linac IMRT	True Beam VMAT
1	60.37	34.69	35.44	27.43	27.50	7.02	34.69	35.44	32.46	33.76	14.82	14.77	14.67	14.47	19.70	21.72	19.67	20.19
2	50.63	32.45	32.27	27.00	27.31	6.82	32.94	32.41	30.11	30.05	13.33	13.45	13.02	13.10	20.00	21.15	19.92	18.95
3	66.3	36.41	37.00	27.75	27.12	27.67	36.41	37.00	32.58	29.61	17.01	11.69	16.56	10.90	21.07	14.12	20.23	13.58
4	47.63	31.68	30.85	27.19	27.94	18.8	34.02	33.45	30.06	30.52	13.25	15.65	12.62	15.34	24.08	21.19	22.48	19.79
5	2.6	33.87	30.71	27.73	27.26	0.9	33.87	32.02	30.24	30.21	12.58	13.81	11.92	12.90	9.31	12.37	7.73	7.56
6	3.93	33.52	31.40	27.67	27.89	1.65	33.52	34.96	32.17	27.39	10.35	9.10	10.32	9.09	16.44	18.01	12.58	12.32
7	3.05	32.64	30.88	27.50	27.82	1.07	32.65	33.70	30.44	29.02	11.17	10.10	11.15	10.09	32.13	28.01	31.16	19.32
8	25.43	32.73	34.07	27.92	27.99	2.31	32.73	34.07	30.31	31.43	13.72	10.98	13.22	10.36	13.72	10.6	13.19	10.25
9	29.02	33.95	34.14	27.50	27.60	1.89	35.70	34.14	30.05	30.52	11.04	9.25	9.53	8.96	0.32	0.22	0.25	0.21
10	38.29	33.02	33.95	27.88	27.02	2.51	33.02	33.95	30.45	30.51	17.30	14.11	14.51	13.75	3.54	3.67	3.20	3.40