Table 3.

Gamma analysis for SmartArc plans calculated on 3 vs. 2 mm grid.

Plan	N	3 mm Grid		2 mm Grid
		$Mean\hspace{0.17em}\%\gamma (\mathit{3}\%,\mathit{3}mm)\le \mathit{1.0}$	Range	$Mean\hspace{0.17em}\%\gamma (\mathit{3}\%,\mathit{3}mm)\le \mathit{1.0}$	Range
Mock Prostate	4	99.9	99.6–100	100	‐
Multi‐Target	6	94.3	93.2–96.0	97.4	96.3–98.2
Mock H&N	5	94.2	89.5–99.5	97.0	95.2–99.7
C‐shape	7	93.8	85.9–98.7	95.7	90.2–99.0