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Table 4 Intra- and Inter-rater angular precision for bone-to-bone angles

From: Reliability of clinically relevant 3D foot bone angles from quantitative computed tomography

 

Intra-rater precision

Inter-rater precision

Agreement with automated method

 

Rater 1

Rater 2

Rater 1 vs.Rater 2

Rater 1 vs.Auto

Rater 2 vs.Auto

Cuboid:Calcaneus

     

  Sagittal plane (α)

1.9°

3.4°

2.0°

2.1°

2.4°

  Frontal plane (β)

2.9°

6.1°

7.1°

4.4°

6.4°

  Transverse plane (γ)

1.7°

2.7°

1.6°

2.9°

3.9°

Talus:Calcaneus

     

  Sagittal plane (α)

3.3°

3.7°

4.4°

2.3°

5.9°

  Frontal plane (β)

1.9°

3.1°

2.7°

3.0°

3.3°

  Transverse plane (γ)

1.4°

2.4°

1.5°

2.7°

2.9°

Navicular:Talus

     

  Sagittal plane (α)

3.6°

5.7°

3.5°

3.5°

3.3°

  Frontal plane (β)

2.3°

4.7°

6.1°

1.3°

6.2°

  Transverse plane (γ)

1.6°

2.9°

2.4°

2.4°

3.8°

Navicular:Calcaneus

     

  Sagittal plane (α)

2.4°

5.9°

5.1°

2.3°

4.9°

  Frontal plane (β)

2.7°

5.6°

4.9°

3.3°

6.0°

  Transverse plane (γ)

2.1°

3.1°

2.8°

2.7°

3.8°

  1. Root-mean square standard deviations, in degrees, in the sagittal (α), frontal (β), and transverse (γ) bone-to-bone orientation angles for manual and automated anatomical landmark placement.