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Table 1 Mean, standard deviations of patellar movements, and results of repeated measures ANOVA and contrast analysis. Data from 6 French bulldogs (2 without and 4 with Medial Patellar Luxation) in the distal-proximal, latero-medial, and craniocaudal axes

From: Three-dimensional motion of the patella in French bulldogs with and without medial patellar luxation

 

MPL

% Stance

% Swing

TD

50

TO

50

Latero-Medial displacement

 Walk

0

−0.3 ± 0.0

0.0 ± 0.0

− 0.6 ± 0.5

0.3 ± 0.2*

1

2.4 ± 1.9

2.1 ± 1.8

2.5 ± 2.4

3.7 ± 1.4*

 Trot

0

0.5 ± 0.3

0.3 ± 0.4

− 0.5 ± 0.4

0.7 ± 0.5

1

2.0 ± 2.0

3.3 ± 1.8

2.4 ± 2.4

3.2 ± 1.3

 Gait

n.s.

p = 0.003

n.s.

n.s.

 MPL

n.s.

n.s.

n.s.

p = 0.045

 Gait*MPL

n.s.

p = 0.017

n.s.

p = 0.057

Distal-Proximal displacement

 Walk

0

9.1 ± 0.0*

8.5 ± 1.2*

9.5 ± 1.4

1.2 ± 0.6*

1

2.9 ± 2.6*

2.0 ± 2.9*

3.6 ± 4.2

−4.0 ± 2.2*

 Trot

0

8.6 ± 1.2*

5.7 ± 0.5

8.9 ± 1.3

−0.8 ± 1.6*

1

3.1 ± 2.5*

2.0 ± 2.6

4.2 ± 3.7

−6.0 ± 1.6*

 Gait

n.s.

p = 0.052

n.s.

p = 0.012

 MPL

p = 0.037

p = 0.066

n.s.

p = 0.024

 Gait*MPL

n.s.

p = 0.046

n.s.

n.s.

Craniocaudal displacement

 Walk

0

4.4 ± 1.5

4.3 ± 0.9

4.7 ± 0.1

3.9 ± 1.3

1

4.5 ± 1.9

4.6 ± 1.3

4.9 ± 0.9

5.2 ± 1.6

 Trot

0

4.3 ± 1.6

3.7 ± 1.2

4.4 ± 0.8

3.9 ± 1.6

1

4.2 ± 2.2

4.6 ± 1.7

5.0 ± 1.7

5.0 ± 1.9

 Gait

n.s.

n.s.

n.s.

n.s.

 MPL

n.s.

n.s.

n.s.

n.s.

 Gait*MPL

n.s.

n.s.

n.s.

n.s.

  1. Displacements are presented in millimeters [mm]. TD: touch-down, TO: toe-off. 0 = Dogs without MPL, 1 = Dogs with MPL. Values displayed in bold indicate that the differences are significant (*p < 0.05). n.s. = non-significant