From: Reproducibility of patient setup by surface image registration system in conformal radiotherapy of prostate cancer
Axis
Systematic error (mean ± SD)
Random error (mean ± SD)
X
1.2 ± 2.3
0.3 ± 2.9
Y
0.0 ± 1.4
0.5 ± 2.0
Z
2.0 ± 1.8
-0.7 ± 2.4