Development of a prescribing indicator for objective quantification of antibiotic usage in secondary care

Christopher E. Curtis, John F. Marriott, Chris A. Langley*

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

Objectives: To compare the recognized defined daily dose per 100 bed-days (DDD/100 bed-days) measure with the defined daily dose per finished consultant episode (DDD/FCE) in a group of hospitals with a variety of medicines management strategies. To compare antibiotic usage using the above indicators in hospitals with and without electronic prescribing systems. Methods: Twelve hospitals were used in the study. Nine hospitals were selected and split into three cohorts (three high-scoring, three medium-scoring and three low-scoring) by their 2001 medicines management self-assessment scores (MMAS). An additional cohort of three electronic prescribing hospitals was included for comparison. MMAS were compared to antibiotic management scores (AMS) developed from a questionnaire relating specifically to control of antibiotics. FCEs and occupied bed-days were obtained from published statistics and statistical analyses of the DDD/100 bed-days and DDD/FCE were carried out using SPSS. Results: The DDD/100 bed-days varied from 81.33 to 189.37 whilst the DDD/FCE varied from 2.88 to 7.43. The two indicators showed a high degree of correlation with r = 0.74. MMAS were from 9 to 22 (possible range 0-23) and the AMS from 2 to 13 (possible range 0-22). The two scores showed a high degree of correlation with r = 0.74. No correlation was established between either indicator and either score. Conclusions: The WHO indicator for medicines utilization, DDD/100 bed-days, exhibited the same level of conformity as that exhibited from the use of the DDD/FCE indicating that the DDD/FCE is a useful additional indicator for identifying hospitals which require further study. The MMAS can be assumed to be an accurate guide to antibiotic medicines management controls. No relationship has been found between a high degree of medicines management control and the quantity of antibiotic prescribed. © The British Society for Antimicrobial Chemotherapy; 2004 all rights reserved.

Original languageEnglish
Pages (from-to)529-533
Number of pages5
JournalJournal of Antimicrobial Chemotherapy
Volume54
Issue number2
DOIs
Publication statusPublished - Aug 2004

Bibliographical note

This is an electronic version of an article published in Curtis, Christopher E.; Marriott, John F. and Langley, Chris A. (2004). Development of a prescribing indicator for objective quantification of antibiotic usage in secondary care. Journal of Antimicrobial Chemotherapy, 54 (2), pp. 529-533.

Keywords

  • antibiotic use
  • defined daily doses
  • electronic prescribing
  • medicines management

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