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Table 4 GTV definition variability between the five institutions

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

X and Y

Z

1

1.3

0.6

3.1

1.5

2

1.7

3.4

4.1

8.1

3

1.3

0.9

2.5

2.0

4

1.8

1.5

4.0

3.6

Average

1.5

1.6

3.5

3.8