From: Variability in spine radiosurgery treatment planning – results of an international multi-institutional study
SD in mm
Range in mm
Case
X and Y
Z
1
0.6
0.3
1.6
0.8
2
1.3
3.0
6.9
3
0.5
1.0
1.4
4
0.9
1.9
2.3
Average
1.2
1.8
2.8