Table 2.

The average (± SD) ion chamber measurement difference and gamma passing rate, Γ, for the ArcCHECK and I'mRT phantom.

ArcCHECK		I'm RT Phantom
Average Ion Chamber (%)
$-0.1\pm 1.7$		$‐0.45\pm 1.3$
	Average Γ ($3\%/3 \text{mm}$) (%)
ArcCHECK		I'm RT Phantom
$98.95\pm 1.1$		$98.9\pm 1.4$