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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