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Antimicrobial utilization data: Does point prevalence data correlate with defined daily doses?

  • Stephen B. Lee (a1), Daniel J.G. Thirion (a2) (a3), Neal Irfan (a4), Melani Sung (a1) (a4), Annie Brooks (a1) (a4), Fatimah Al-Mutawa (a1), Charles Frenette (a3) and Dominik Mertz (a1) (a4)...


We correlated antibiotic consumption measured by point prevalence survey with defined daily doses (DDD) across multiple hospitals. Point prevalence survey had a higher correlation (1) with monthly DDDs than annual DDDs, (2) in nonsurgical versus surgical wards, and (3) on high- versus low-utilization wards. Findings may be hospital specific due to hospital differences.


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Author for correspondence: Dominik Mertz, Email:


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