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Ann Epidemiol. 2002 Feb;12(2):86-9.

The effect of physicians' training on prescribing beta-blockers for secondary prevention of myocardial infarction in the elderly.

Author information

1
Department of Health Care and Epidemiology, University of British Columbia and Centre for Health Evaluation & Outcome Sciences, St. Paul's Hospital, Vancouver, BC, Canada.

Abstract

PURPOSE:

The objective was to determine whether the year and medical school of graduation, the medical specialty and the sex of the treating physician was associated with prescribing beta-blockers after hospital discharge among survivors of myocardial infarction (MI), after adjusting for patient characteristics.

METHODS:

We carried out a dynamic retrospective cohort study using data from a longitudinal database that contained information on Quebec residents over the age of 65 years sent home from hospital after MI between 1990 and 1993. The outcome was a beta-blocker being dispensed after hospital discharge. Logistic regression was used to estimate the association between training characteristics and beta-blocker dispensation and clustering of patients within physicians was accounted for using Generalized Estimating Equations.

RESULTS:

The cohort consisted of 14,334 MI survivors who were treated by 3209 physicians, yielding a mean of about 4.5 patients per physician [standard deviation (SD) = 8.2]. Beta-blockers were prescribed to approximately one-third of subjects. After adjusting for patients' demographic characteristics, comorbid medical conditions, and markers of MI severity, physicians who were more likely to prescribe a beta-blocker included cardiologists and the most recent graduates (graduating after 1989). Systematic differences were also observed between graduates of different medical schools.

CONCLUSIONS:

After adjusting for differences between patients', the sex of the physician was largely unrelated to prescribing beta-blockers for secondary prevention of MI. However, prescribing differed by training characteristics such as medical specialty and year and medical school of graduation.

PMID:
11880215
DOI:
10.1016/s1047-2797(01)00251-4
[Indexed for MEDLINE]

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