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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