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Table 3 Absolute errors determined by comparison between manual and mathematical values

From: Canine atlantoaxial optimal safe implantation corridors – description and validation of a novel 3D presurgical planning method using OsiriX™

Angle

Repeats

Observer 1

Observer 2

ProjA

1

0.55 ± 0.65

0.31 ± 0.25

2

0.34 ± 0.35

0.21 ± 0.14

Both

0.44 ± 0.53

0.26 ± 0.21

Saf A

1

0.29 ± 0.26

0.18 ± 0.18

2

0.24 ± 0.25

0.17 ± 0.18

Both

0.27 ± 0.25

0.18 ± 0.18

  1. Values (in degrees) reported as Mean ± Standard deviation