Table 4.

Results of the influence of ITV and PTV margins and of different numbers of fields on V₉₅ and CN.

Simulations	Margins	Fields	V 95 (%)			CN			V 95 > 95% (%)
			Min.	Mean	Max.	Min.	Mean	Max.
3D0	ITV	1	96.6	99.1	99.9	0.53	0.68	0.88	100
		2	98.9	99.7	100	0.55	0.72	0.88	100
		3	99.0	99.7	100	0.56	0.73	0.90	100
	PTV	1	96.2	99.1	100	0.34	0.53	0.73	100
		2	99.5	99.9	100	0.29	0.47	0.64	100
		3	99.9	100	100	0.30	0.49	0.69	100
4D0	ITV	1	62.6	94.7	99.9	0.45	0.64	0.83	66.7
		2	80.9	97.6	100	0.53	0.69	0.87	82.7
		3	81.4	97.5	99.9	0.54	0.71	0.88	84
	PTV	1	77.2	96.6	100	0.29	0.42	0.62	75.3
		2	84.0	98.8	100	0.29	0.45	0.63	92.6
		3	93.3	99.0	100	0.29	0.48	0.68	93.8
4DN	ITV	1	42.8	85.1	99.3	0.14	0.50	0.81	21.9
		2	51.9	88.1	99.5	0.23	0.59	0.87	29.1
		3	48.2	87.3	99.7	0.26	0.62	0.87	30.1
	PTV	1	62.8	94.8	100	0.17	0.39	0.67	68.7
		2	65.8	96.8	100	0.21	0.44	0.70	81.2
		3	65.8	96.9	100	0.26	0.48	0.74	82.5

Each margins case of the 3D0 calculations was done using the 3 foci described previously. In the case of 4D0 and 4DN values, the 9 possible focus/GW combinations presented previously were used.