Table 3.

Root mean squared error of measurements acquired at non-reference conditions when standardized for gain and frame rate alone or with dose rate.

		Standardized for gain and frame rate			Standardized for gain, frame rate, and dose rate
Beam	Frame Rate	Gain			Gain
		18 dB	20 dB	22 dB	18 dB	20 dB	22 dB
6 MV
	10 fps	22%	21%	24%	4%	2%	1%
	20 fps	*	0%	1%	*	0%	1%
6 MV FFF
	10 fps	29%	19%	22%	10%	8%	7%
	20 fps	75%	68%	49%	3%	8%	10%
10 MV FFF
	10 fps	91%	65%	43%	13%	17%	14%
	20 fps	152%	140%	122%	5%	7%	11%

* Device was not sensitive enough to detect measurements at 18 dB and 20 fps.