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Prevalence and Predictors of Antibiotic Use in Community-Based Elderly in Ontario, Canada

  • Dominik Mertz (a1), Erin Y. Tjam (a2) (a3), Jeff Poss (a2), John P. Hirdes (a2) (a4), Bruce Arai (a5), Jennie Johnstone (a1) (a6), Micaela Jantzi (a2) and Mark Loeb (a1) (a6) (a7)...


Little is known about antibiotic use in the elderly receiving home care. We found that 6,873 (5.4%) of 126,339 home care patients in Ontario received antibiotic treatment; 26% of the antibiotics administered were fluoroquinolones. Antibiotic treatment was most frequent in patients less than 65 years of age and among those with a poorer health status.


Corresponding author

Departments of Pathology and Molecular Medicine and Clinical Epidemiology and Biostatistics, McMaster University, MDCL 3203, 1200 Main Street W, Hamilton, ON L8N 3Z5, Canada (


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