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Table 2 Statistical analysis for the film response (normalized optical density).

From: Dosimetric precision of an ion beam tracking system

  

proximal

  

distal

 
 

stat.

mov.

comp.

stat.

mov.

Comp.

mean

0.38

0.37

0.26

0.28

0.20

0.28

SD

0.01

0.01

0.02

0.01

0.02

0.01

homogeneity

0.98

0.98

0.93

0.97

0.90

0.97

minimum5 × 5

0.36

0.34

0.21

0.24

0.17

0.25

maximum5 × 5

0.39

0.38

0.3

0.29

0.23

0.28