Table 1. Comparison of dose metrics for PTV and OARs.

Medians, 1^st and 3^rd quantiles of the metrics from a plan are listed for each treatment technique, p-value is from Mann-Whitney U test of the dose metric between synCT and CT plans.

		4F			O4F			VMAT
		synCT	CT	p-value	synCT	CT	p-value	synCT	CT	p-value
PTV	D100%	93.2	92.7	0.53	92.1	92.2	1.00	86.2	86.5	0.77
		(92.7, 93.4)	(92.7, 93.2)		(91.1, 92.5)	(91.1, 92.5)		(82.9, 87.5)	(83.3, 87.7)
	D95%	100.0	100.0	0.45	100.0	100.0	0.11	100.0	100.0	1.00
		(100.0, 100.0)	(100.0, 100.2)		(100.0, 100.0)	(100.0, 100.6)		(100.0, 100.0)	(99.7, 100.5)
	D2%	105.3	106.1	0.72	107.9	107.9	0.72	107.1	107.4	0.16
		(104.9, 107.1)	(105.1, 107.0)		(106.7, 108.9)	(106.8, 109.4)		(106.7, 107.3)	(107.0, 108.1)
	Dmean	103.2	103.5	0.24	104.4	104.6	0.39	103.1	103.2	0.35
		(102.8, 103.4)	(103.1, 104.0)		(103.9, 104.6)	(103.8, 105.1)		(102.9, 103.3)	(103.0, 103.7)
Bladder	V40Gy	59.0	59.5	0.95	94.6	94.7	1.00	42.2	42.3	0.95
		(35.4, 73.2)	(35.4, 73.3)		(87.4, 100.0)	(87.3, 100.0)		(25.6, 48.7)	(26.0, 48.7)
	Dmean	85.4	86.0	0.90	100.9	101.2	0.95	69.7	69.9	0.87
		(75.4, 89.5)	(75.3, 89.5)		(97.6, 102.5)	(97.8, 102.5)		(63.0, 76.2)	(63.4, 76.4)
Bowel	V45Gy	19.5	19.7	0.97	62.6	62.9	1.00	8.5	8.8	0.91
		(7.4, 45.2)	(7.4, 45.2)		(38.8, 73.0)	(38.7, 72.9)		(4.3, 27.0)	(4.1, 26.9)
Femoral Head	V30Gy	8.7	7.3	1.00	3.9	3.7	0.90	5.9	6.5	1.00
		(2.2, 17.4)	(2.2, 16.5)		(2.2, 14.9)	(2.0, 15.0)		(3.4, 10.7)	(3.4, 10.9)

Dmean: percentage mean dose relative to prescription dose