From: Dosimetric precision of an ion beam tracking system
proximal
distal
stat.
mov.
comp.
Comp.
mean
0.38
0.37
0.26
0.28
0.20
SD
0.01
0.02
homogeneity
0.98
0.93
0.97
0.90
minimum5 × 5
0.36
0.34
0.21
0.24
0.17
0.25
maximum5 × 5
0.39
0.3
0.29
0.23