Table 3.

Global gamma analysis and 3D Gamma analysis and voxel-by-voxel comparisons in the PTV for dose calculated using lower, L and upper, U variations.

Dose differences
Patient no/Metric	PTV Pass Rate (%)
	1	2	3	4	5	6	7	8	9	10
3%/3 mm	L	100	100	100	100	100	100	100	100	100	100
	U	100	100	>99.9	100	100	100	100	100	100	100
2%/2 mm	L	99.8	100	>99.9	100	100	100	>99.9	100	100	100
	U	100	99.9	99.8	100	100	>99.9	99.9	>99.9	99.8	100
1%/1 mm	L	91.3	99.8	97.6	97.3	99.6	99.0	96.3	99.3	99.2	97.7
	U	96.7	94.0	94.5	92.2	89.0	80.4	96.4	94.1	86.2	96.2
		PTV Voxel-Wise Differences
>3% (%)	L	0	0	0.2	0	0.2	0	0.1	0	0	0
	U	0.3	0.4	1.0	0.1	8.8	0.5	0.7	0	1.0	5.7
ΔDmax (%)	L	2.9	1.6	3.6	1.6	2.0	2.2	4.0	3.8	2.6	2.7
	U	3.3	3.2	4.6	3.4	5.4	4.0	8.4	2.8	4.5	5.0
		Global Pass Rate (%)
3%/3 mm (10% Threshold)	L	100	100	99.9	94.5	99.4	100	99.9	100	99.4	100
	U	>99.9	100	99.3	85.3	98.3	>99.9	99.3	99.9	99.5	>99.9
3%/3 mm (50% Threshold)	L	100	100	99.9	>99.9	100	100	>99.9	100	100	100
	U	100	100	99.7	99.1	>99.9	100	99.7	99.9	100	100
		Global Voxel-Wise Differences
>3% (%)	L	5.5	3.6	12.6	14.9	10.4	2.0	17.6	17.3	10.8	6.5
	U	26.2	22.7	26.2	35.0	28.0	21.0	31.3	31.8	26.4	21.6
ΔDmax (%)	L	5.0	4.4	8.2	7.1	8.2	4.0	−7.8	−7.2	−7.4	−5.8
	U	9.7	9.2	9.7	9.6	8.6	6.8	12.5	12.3	9.3	10.6