Table 5.

Dosimetric results of treatment plans computed on pCT and sCBCT image sets using Octavius 1500 ion chamber array.

Image Sets	Central axis dose difference (%)		γ-Evaluation pass rate (%)
	IMRT	VMAT	IMRT				VMAT
			3% DD/3 mm DTA		2% DD/2 mm DTA		3% DD/3 mm DTA		2% DD/2 mm DTA
			Local	Global	Local	Global	Local	Global	Local	Global
pCT	−1.12	0.27	88.6	96.5	69.6	87.1	95.1	99.2	80.3	93.4
S1-CBCT	−1.01	0.43	89.5	96.8	71.6	88.2	93.8	99.2	78.8	93.8
S2-CBCT	−1.16	0.60	89.9	96.9	71.7	88.2	94.5	99.2	79.4	93.9