ESTRO course on Image Guided Radiotherapy in Clinical Practice 2018

Setup errors (one direction, e.g. X; do same for Y and Z)

Setup error, uncorrected

This is for one axis (X=LR), need two more tables for Y and Z

All in cm

p1

p2

p3

p4

f1

0.78

-0.03

0.55

0.44

f2

-0.15

-1.07

-0.27

-0.69

f3

0.32

-0.59

-0.12

-0.36

f4

-0.12

-1.26

-0.39

-0.38

S

X

mean

-0.08

-0.63

0.00 0.29

-0.05

SD

0.42

0.38

0.39

0.31 S

=STDEV(B19:H19)

square

=B20*B20

0.37 s

=SQRT(AVERAGE(B23:H23))

variance

0.18

0.15

0.09

0.15

s

X