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Table 2 Results of joint capsule thickness by B-mode ultrasonography and ARFI elastography of hip periarticular structures compared to distraction index (DI) in puppies aged between four and 10 months

From: B-mode ultrasonography and ARFI elastography of articular and peri-articular structures of the hip joint in non-dysplastic and dysplastic dogs as confirmed by radiographic examination

Structures

Thic. (mm) mean ± DP (DI ≤ 0.5)

Thic. (mm) mean ± DP (DI > 0.5)

SWV (m/s) mean ± DP (DI ≤ 0.5)

SWV (m/s) mean ± DP (DI > 0.5)

P-value

P- diagnosis

Cutoff (mm)

Se (%)

Sp (%)

AUC (%)

Odds Ratio

Cor.

Capsule Thickness

0.89 ± 0.57

1.70 ± 0.75

  

0

< 0.0001

> 0.9

70.6

83.90

85.2

4.6

0.79

Caspule

  

5.05 ± 0.79

4.99 ± 0.77

0.82

       

Gluteus medius

  

2.60 ± 0.53

2.51 ± 0.60

0.61

       

Vastus lateralis

  

3.42 ± 0.50

3.38 ± 0.66

0.84

       

Pectineus

  

3.01 ± 0.70

3.65 ± 1.37

0.04

0.20

> 2.77

41.2

77.4

61.2

1.82

0.32

Gracile

  

2.48 ± 0.42

2.54 ± 0.47

0.68

       

Adductor

  

1.93 ± 0.33

1.92 ± 0.36

0.89

       

Rectus femoris

  

2.58 ± 0.47

2.43 ± 0.43

0.30

       
  1. Thic - thickness; SWV - shear wave velocity; SD - Standard deviation; DI - distraction index; Se - sensitivity; Sp - specificity; AUC - area under the curve; Cor - correlation
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BMC Veterinary Research

ISSN: 1746-6148

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