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. 2016 Aug 16;57(Suppl 1):i83–i89. doi: 10.1093/jrr/rrw022

Table 1.

ED50, Neutron component, 10B(n,α)7Li component, RBE and CBE factors for radiation myelopathy following X-ray or neutron irradiation with or without BPA

Beam+BPA
10B Level
(ppm)		 ED50
Total Dose (Gy)		 Neutron Beam Component
(Gy)		 10B(n, α)7Li component
(Gy)		 Original RBE or original CBE factor of 10B(n, α)7Li component computed using original RBE Adjusted RBE of Neutron Beam Adjusted CBE of 10B(n, α)7Li component aN/B of
10B level
93 25.0 ± 0.6 3.4 ± 0.7 21.6 ± 0.5 0.66 ± 0.07 2.57 0.48 0.1
42 17.5 ± 0.7 4.6 ± 0.9 12.9 ± 0.6 0.97 ± 0.11 2.25 0.67 0.2
19 13.8 ± 0.6 7.0 ± 0.5 6.8 ± 0.2 1.34 ± 0.13 1.86 0.88 0.33
12 13.8 ± 0.5 8.9 ± 0.4 4.9 ± 0.7 1.33 ± 0.16 1.67 0.85 0.33
0 13.6 ± 0.4 13.6 ± 0.4 0 19.0 ± 0.2/13.6 ± 0.4
= 1.40 ± 0.04 		19.0 ± 0.2/13.6 ± 0.4
= 1.40 ± 0.04 		   
X-rays 19.0 ± 0.2 0 0

aThe author has selected the values for N/B of the 10B level from the paper by GM Morris (1997) [18]. The values written in italics are the data reported in the original tables in reference [18].