. Author manuscript; available in PMC: 2009 Apr 16.

Published in final edited form as: Phys Med Biol. 2008 Nov 26;53(24):7107–7124. doi: 10.1088/0031-9155/53/24/007

Table 7.

Expected change in the slope, intercept and slope–intercept ratio of R₂ versus dose for inclusion of B₁ angle error. Negative percent error in B₁ angle is not included as the result is symmetrical about zero percent error in B₁.

		Percent error in B₁ angle
		0%	5%	10%
MAGIC
	Slope (s⁻¹ Gy⁻¹)	0.470	0.470	0.470
	Intercept (s⁻¹)	5.000	5.618	7.4778
	Slope–intercept ratio	0.094	0.0834	0.063
	Percent change in the	–	−10.99%	−33.13%
	slope–intercept ratio
MAGIC-2
	Slope (s⁻¹ Gy⁻¹)	0.570	0.570	0.570
	Intercept (s⁻¹)	6.290	6.908	8.768
	Slope–intercept ratio	0.091	0.083	0.066
	Percent change in the	–	−8.94%	−28.26%
	slope–intercept ratio