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Table 6 Relationships among super-shedder status (yes/no), sampling (1 vs 2) and resistance to any antimicrobial evaluated y for fecal isolates of E. coli O157:H7 collected in Alberta Canada in 2007 from generalized linear mixed model analysis z

From: Genetic diversity and antimicrobial resistance among isolates of Escherichia coliO157: H7 from feces and hides of super-shedders and low-shedding pen-mates in two commercial beef feedlots

Variable Odds Ratio 95% C.I. Significance
Sampling 1.51 0.48 – 4.78 P > 0.48
Super-shedder 0.94 0.31 – 2.91 P > 0.69
  1. yResistance detected for 17/474 isolates for antimicrobials including ampicillin, neomycin, streptomycin, sulfasoxazole, sulfamethoxazole/trimethroprim and tetracycline.
  2. zPen as random effect, covariance parameter estimate = 1.82, with standard error = 2.16.
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