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Table 5 Significant predictors of antimicrobial resistant Staphylococcus in equines from samples submitted to the Kentucky state diagnostic laboratory, 1993–2009

From: An epidemiologic study of antimicrobial resistance of Staphylococcus species isolated from equine samples submitted to a diagnostic laboratory

Variable

Odds ratio

95% CIa

P-Value

Breed

  

< 0.001

 Arabian

1.5

0.5, 4.3

0.331

 American Saddlebred

0.9

0.5, 1.7

0.763

 Mixed Equine

0.5

0.2, 1.2

0.057

 Quarter Horse

0.6

0.3, 1.2

0.091

 Standard Bred

1.5

0.6, 3.3

0.245

 Thoroughbred

1.6

1.1, 2.4

<.001

 Tennessee Walking Horse

0.8

0.5, 1.5

0.397

 Other Breeds

.

.

.

Species of Organism

  

< 0.001

Staphylococcus aureus

2.3

1.8, 2.9

<.001

Staphylococcus hyicus

0.5

0.3, 0.8

<.001

Staphylococcus intermedius

1.1

0.7, 1.8

0.692

Coagulase negative Staphylococcus

.

.

.

Year

0.97

0.95, 1.00

0.023

  1. a95% Confidence Interval