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Table 3 Results of Univariable and Multivariable logistic regression models used to assess potential predictors of medial meniscal tears of dogs presented to the University of Tennessee from 2011–2017 for cranial cruciate ligament disease stabilization

From: Associations between meniscal tears and various degrees of osteoarthritis among dogs undergoing TPLO for cranial cruciate ligament rupture

Univariable

Med Meniscal Tear

Variable

OR

95% CI

p-value

Age (1 year increase)

1.15

1.1–1.2

< 0.001

Sex

   

 Female vs Male

1.1

0.8–1.6

0.554

Weight (1 kg increase)

1

0.9–1.1

0.208

Breed Group

  

0.001

 Mixed

3.2

1.7–6.3

0.003

 Sporting

3.4

1.7–6.8

0.002

 Working

1.5

0.7–3.2

0.187

 Herding

1.8

0.8–4.2

0.752

 Other (Terrier, Non-Sporting,

Ref

-

-

 Toy, Hound)

   

Lameness Period (days)

  

0.741

 Acute (< 30 days)

1.1

0.7–1.7

0.906

 Subacute (31–150 days)

Ref

-

-

 Chronic (> 151 days)

1.2

0.7–2.1

0.462

Side

   

 Left vs Right

1.1

0.7–1.5

0.737

Procedure

   

 Arthrotomy

2

1.4-3.0

0.001

 Arthroscopy

Ref

-

-

CrCLR

   

 Complete

3.1

2.1–4.8

< 0.001

 Partial

Ref

-

-

Osteoarthritis Severity

  

0.01

 None

Ref

-

-

 Mild

1.3

0.8-2.0

0.397

 Moderate

1.2

0.7–1.2

0.263

 Severe

3

1.6–5.5

0.002

Multivariable

Medial Meniscal Tear

Variable

OR

95% CI

p-value

Age (1 year increase)

1.1

1.0-1.2

0.018

Breed Group

  

0.003

 Mixed

3.2

1.6–6.6

0.019

 Sporting

3.6

1.7–7.6

0.004

 Working

1.8

0.8-4.0

0.495

 Herding

2

0.8–4.9

0.809

 Other (Terrier, 

Ref

-

-

   Non-Sporting,

   

   Toy, Hound)

   

Procedure

   

 Arthrotomy

2.2

1.4–3.1

0.002

 Arthroscopy

Ref

-

-

CrCLR

   

 Complete

3.3

2.1-5.0

< 0.001

 Partial

Ref

-

-

Osteoarthritis Severity

  

0.003

 None

Ref

-

-

 Mild

1.4

0.8–2.2

0.475

 Moderate

1.1

0.6–1.9

0.081

 Severe

3.8

2.0–8.0

0.001