Table 2.

Ion chamber measures to validate independent dose calculation technique.

	Eclipse Calculated Dose / Pinnacle Calculated Dose (Avg ± STD)		Measured / Pinnacle Calculated Dose (Avg ± STD)		MapCHECK Gamma Passing Rate (Avg ± STD) %
Treatment Site	IC1	IC2	IC1	IC2
Head‐and‐ Neck	$0.972\pm 0.005$	$0.980\pm 0.009$	$1.022\pm 0.008$	$1.013\pm 0.010$	$96.3\pm 1.62$
Breast	$0.990\pm 0.004$	$0.996\pm 0.01$	$1.010\pm 0.006$	$1.009\pm 0.020$	$94.8\pm 1.13$
Prostate	$0.995\pm 0.01$	$1.01\pm 0.004$	$0.994\pm 0.009$	$0.997\pm 0.012$	$98.2\pm 0.58$
Rectum	$0.975\pm 0.008$	$1.005\pm 0.01$	$1.017\pm 0.016$	$1.017\pm 0.025$	$94.9\pm 1.68$