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Table 6 Significant predictors of multidrug 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

3.9

0.6, 25.1

0.159

 American Saddlebred

2.5

0.5, 12.5

0.257

 Mixed Equine

2.3

0.5, 11.5

0.308

 Quarter Horse

2.2

0.5, 8.7

0.277

 Standardbred

15.0

3.7, 60.4

0.001

 Thoroughbred

7.0

2.4, 19.8

0.000

 Tennessee Walking Horse

0.8

0.2, 3.6

0.730

 Other

.

.

.

Age

  

0.020

 Aborted Fetus 0 years

0.7

0.4, 1.2

0.171

  < 1 year

1.6

1.0, 2.6

0.042

 1–2 years

1.8

0.6, 4.9

0.266

 2–4 years

1.5

0.7, 3.1

0.275

  > 4 years

.

.

.

  1. a95% Confidence Interval