Table 3.

Lumbar measurements with GAFCHROMIC EBT3 film with gamma analysis utilizing the dose criterion relative to the pixel under analysis method

Treatment Plan	Local γ‐analysis constraints w/ 10% threshold	Treatment Platform
		TomoTherapy	Vero	TrueBeam (Flattened)	TrueBeam (FFF)	CyberKnife
Plan A	3%/3 mm	100.0	99.9	100.0	100.0	99.5
	2%/2 mm	98.7	98.3	96.3	99.5	98.9
	1%/1 mm	71.7	49.8	64.7	72.8	84.2
Plan B	3%/3 mm	100.0	99.9	100.0	100.0	96.1
	2%/2 mm	99.9	96.0	97.8	98.9	93.3
	1%/1 mm	85.5	51.3	71.7	79.7	74.3
Plan C	3%/3 mm	100.0	100.0	100.0	100.0	99.2
	2%/2 mm	99.5	100.0	100.0	100.0	97.5
	1%/1 mm	77.1	47.2	81.3	79.2	53.2
Plan D	3%/3 mm	99.5	100.0	100.0	100.0	97.5
	2%/2 mm	96.7	99.8	96.2	99.6	95.1
	1%1 mm	80.7	75.5	81.8	82.1	79.6