Predictors of an antibiotic prescription by GPs for respiratory tract infections: A pilot

S Murray, C Del Mar, P O'Rourke

Research output: Contribution to journalArticleResearchpeer-review

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Abstract

Background. Antibiotics are over-prescribed for respiratory tract infections in Australia.

Objectives. The aim of this study was to describe the clinical predictors of GPs' prescribing of antibiotics.

Methods. We used Clinical Judgment Analysis to study the responses of GPs to hypothetical paper-based vignettes of a 20-year-old with a respiratory tract infection. The nature of four symptoms and signs (colour of nasal mucous discharge; soreness of the throat; presence of fever; and whether any cough was productive of sputum) was varied and their effect on prescribing measured using logistic regression.

Results. Twenty GPs participated. The nature of each symptom and sign significantly predicted prescribing of an antibiotic. Cough productive of yellow sputum; presence of sore throat; fever; and coloured nasal mucus increased the probability of an antibiotic being prescribed.

Conclusions. GPs are influenced by clinical signs and symptoms to use antibiotics for respiratory infections for which there is poor evidence of efficacy from the literature.

Original languageEnglish
Pages (from-to)386-388
Number of pages3
JournalFamily Practice
Volume17
Issue number5
DOIs
Publication statusPublished - Oct 2000
Externally publishedYes

Cite this

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abstract = "Background. Antibiotics are over-prescribed for respiratory tract infections in Australia.Objectives. The aim of this study was to describe the clinical predictors of GPs' prescribing of antibiotics.Methods. We used Clinical Judgment Analysis to study the responses of GPs to hypothetical paper-based vignettes of a 20-year-old with a respiratory tract infection. The nature of four symptoms and signs (colour of nasal mucous discharge; soreness of the throat; presence of fever; and whether any cough was productive of sputum) was varied and their effect on prescribing measured using logistic regression.Results. Twenty GPs participated. The nature of each symptom and sign significantly predicted prescribing of an antibiotic. Cough productive of yellow sputum; presence of sore throat; fever; and coloured nasal mucus increased the probability of an antibiotic being prescribed.Conclusions. GPs are influenced by clinical signs and symptoms to use antibiotics for respiratory infections for which there is poor evidence of efficacy from the literature.",
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Predictors of an antibiotic prescription by GPs for respiratory tract infections : A pilot. / Murray, S; Del Mar, C; O'Rourke, P.

In: Family Practice, Vol. 17, No. 5, 10.2000, p. 386-388.

Research output: Contribution to journalArticleResearchpeer-review

TY - JOUR

T1 - Predictors of an antibiotic prescription by GPs for respiratory tract infections

T2 - A pilot

AU - Murray, S

AU - Del Mar, C

AU - O'Rourke, P

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N2 - Background. Antibiotics are over-prescribed for respiratory tract infections in Australia.Objectives. The aim of this study was to describe the clinical predictors of GPs' prescribing of antibiotics.Methods. We used Clinical Judgment Analysis to study the responses of GPs to hypothetical paper-based vignettes of a 20-year-old with a respiratory tract infection. The nature of four symptoms and signs (colour of nasal mucous discharge; soreness of the throat; presence of fever; and whether any cough was productive of sputum) was varied and their effect on prescribing measured using logistic regression.Results. Twenty GPs participated. The nature of each symptom and sign significantly predicted prescribing of an antibiotic. Cough productive of yellow sputum; presence of sore throat; fever; and coloured nasal mucus increased the probability of an antibiotic being prescribed.Conclusions. GPs are influenced by clinical signs and symptoms to use antibiotics for respiratory infections for which there is poor evidence of efficacy from the literature.

AB - Background. Antibiotics are over-prescribed for respiratory tract infections in Australia.Objectives. The aim of this study was to describe the clinical predictors of GPs' prescribing of antibiotics.Methods. We used Clinical Judgment Analysis to study the responses of GPs to hypothetical paper-based vignettes of a 20-year-old with a respiratory tract infection. The nature of four symptoms and signs (colour of nasal mucous discharge; soreness of the throat; presence of fever; and whether any cough was productive of sputum) was varied and their effect on prescribing measured using logistic regression.Results. Twenty GPs participated. The nature of each symptom and sign significantly predicted prescribing of an antibiotic. Cough productive of yellow sputum; presence of sore throat; fever; and coloured nasal mucus increased the probability of an antibiotic being prescribed.Conclusions. GPs are influenced by clinical signs and symptoms to use antibiotics for respiratory infections for which there is poor evidence of efficacy from the literature.

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