Antibiotic Consumption Calculator

ABC Calc (Monnet, 2003) is a simple computer tool utilising the ATC/ DDD system to measure antibiotic consumption at both the hospital and ward level as DDDs/100 bed-days (Figure 1). It transforms aggregated data provided by hospital pharmacies (generally as a number of packages or vials) into meaningful antibiotic utilisation rates. It was originally developed in the Department of Antimicrobial Resistance & Hospital Hygiene, Statens Serum Institut (Copenhagen, Denmark), by Dr Dominique Monnet as part of the Danish Integrated Antimicrobial Resistance Monitoring and Research Programme (DANMAP) (Bager, 2000). ABC Calc is freely available as a Microsoft Excel® file and is modified annually to incorporate any changes made to the ATC/DDD system. It can be downloaded from the European Study Group on Antibiotic Policies (ESGAP) page on the European Society of Clinical Microbiology and Infectious Diseases (ESCMID) website (www.escmid.org). To obtain data measured in DDDs/100 bed-days requires the input of data to calculate both the numerator and denominator.

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Antibiotic Consumption Calculator Version 1.9

Figure 1. Monnet DL ABC Calc—Antibiotic consumption calculator (Microsoft Excel® application). Version 1.9 Copenhagen (Denmark): Statens Serum Institut; 2003.

Figure 1. Monnet DL ABC Calc—Antibiotic consumption calculator (Microsoft Excel® application). Version 1.9 Copenhagen (Denmark): Statens Serum Institut; 2003.

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  • CORNELIA
    How to calculate DDDs/100 beddays?
    3 years ago
  • aimone
    How to calculate antimicrobial index from DDD?
    8 months ago

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