Table 3. Comparison of dose distributions between VMAT plans using AAA and Acuros XB calculations on synCT and CT.

Comparison between plans		Median (Q1, Q3) of dose difference average (Gy)	Median (range) of gamma passing rates (%)
			1%/1mm	2%/2mm
synCT.vs. CT	AAA	0.13 (0.11, 0.17)	98.9 (91.9–100.0)	99.9 (99.4–100.0)
	Acuros XB	0.20 (0.16, 0.23)	96.3 (89.9–98.4)	99.2 (97.7–99.9)
AAA.vs. Acuros XB	CT	0.38 (0.35, 0.40)	93.4 (90.6–95.7)	99.7 (99.7–99.9)
	SynCT	0.38 (0.35, 0.41)	93.6 (87.8–94.7)	99.8 (99.6–99.9)