Table 2.

Pass rates (mean ± standard deviation) for various gamma criteria for each error in TG‐119 film planes.

Type of Error	3%/3 mm Absolute Gamma Analysis	2%/2 mm Absolute Gamma Analysis	3%/3 mm Relative Gamma Analysis
Incorrect FF material	$100\%\pm 0\%$	$100\%\pm 0\%$	$100\%\pm 0\%$
TMR vs. PDD	$53.37\%\pm 6.10\%$	$44.97\%\pm 4.19\%$	$98.13\%\pm 2.34\%$
Smoothed for Farmer chamber	$100\%\pm 0\%$	$100\%\pm 0\%$	$100\%\pm 0\%$
Electron Contamination	$100\%\pm 0\%$	$100\%\pm 0\%$	$100\%\pm 0\%$
MLC DLG .5 mm	$98.03\%\pm 1.96\%$	$96.17\%\pm 1.96\%$	$100\%\pm 0\%$
MLC DLG 1 mm	$77.43\%\pm 7.97\%$	$68.4\%\pm 6.84\%$	$93.07\%\pm 8.22\%$
Transmission Factor 0.5% change	$95.89\%\pm 3.55\%$	$95.05\%\pm 4.05\%$	$97.33\%\pm 2.29\%$
Transmission Factor 0.9% change	$92.02\%\pm 5.16\%$	$88.72\%\pm 6.49\%$	$95.15\%\pm 3.92\%$