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- Title
Late-career Physicians Prescribe Longer Courses of Antibiotics.
- Authors
Fernandez-Lazaro, Cesar I; Brown, Kevin A; Langford, Bradley J; Daneman, Nick; Garber, Gary; Schwartz, Kevin L
- Abstract
Background Antibiotic duration is often longer than necessary. Understanding the reasons for variability in antibiotic duration can inform interventions to reduce prolonged antibiotic use. We aim to describe patterns of interphysician variability in prescribed antibiotic treatment durations and determine physician predictors of prolonged antibiotic duration in the community setting. Methods We performed a retrospective cohort analysis of family physicians in Ontario, Canada, between 1 March 2016 and 28 February 2017, using the Xponent dataset from IQVIA. The primary outcome was proportion of prolonged antibiotic course prescribed, defined as >8 days of therapy. We used multivariable logistic regression models, with generalized estimating equations to account for physician-level clustering to evaluate predictors of prolonged antibiotic courses. Results There were 10 616 family physicians included in the study, prescribing 5.6 million antibiotic courses. There was substantial interphysician variability in the proportion of prolonged antibiotic courses (median, 33.3%; interdecile range, 13.5%–60.3%). In the multivariable regression model, later physician career stage, rural location, and a larger pediatric practice were significantly associated with greater use of prolonged courses. Prolonged courses were more likely to be prescribed by late-career physicians (adjusted odds ratio [aOR], 1.48; 95% confidence interval, 1.38–1.58) and mid-career physicians (aOR, 1.25; 1.16–1.34) when compared to early-career physicians. Conclusions We observed substantial variability in prescribed antibiotic duration across family physicians, with durations particularly long among late-career physicians. These findings highlight opportunities for community antimicrobial stewardship interventions to improve antibiotic use by addressing practice differences in later-career physicians.
- Subjects
ONTARIO; ANTIBIOTICS; ANTI-infective agents; COMMUNITY health services; CONFIDENCE intervals; DRUG utilization; DRUG prescribing; LONGITUDINAL method; MEDICAL practice; PEDIATRICS; RURAL health clinics; VOCATIONAL guidance; PHYSICIAN practice patterns; MULTIPLE regression analysis; RETROSPECTIVE studies; TREATMENT duration; ODDS ratio
- Publication
Clinical Infectious Diseases, 2019, Vol 69, Issue 9, p1467
- ISSN
1058-4838
- Publication type
Article
- DOI
10.1093/cid/ciy1130