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Hospitalization for uncomplicated hypertension: an ambulatory care sensitive condition

Robin L Walker1, Guanmin Chen, Finlay A McAlister

  • 1Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada.

The Canadian Journal of Cardiology
|August 7, 2013
PubMed

Insights

Hospitalizations for uncomplicated hypertension decreased over time, possibly due to better community care. However, disparities in hospitalization rates exist across Canadian provinces and between urban and rural areas.

Area of Science:

  • Public Health
  • Health Services Research
  • Epidemiology

Background:

  • Ambulatory care sensitive conditions (ACSC) hospitalizations indicate community care access and quality.
  • Uncomplicated hypertension is an ACSC used to assess healthcare system performance.

Purpose of the Study:

  • To investigate hospitalization rates for uncomplicated hypertension.
  • To identify factors associated with these hospitalizations.

Main Methods:

  • Utilized administrative health data from four Canadian provinces (1997-2004).
  • Applied International Classification of Disease (ICD) and Canadian Institute for Health Information (CIHI) case definitions.
  • Employed logistic regression to analyze factors influencing ACSC hospitalizations for hypertension.

Main Results:

  • Overall hospitalization rate for uncomplicated hypertension was 3.7 per 1000 patients.
  • Lower rates observed in urban settings, higher income quintiles, and patients without comorbidities.
  • Significant geographic variation existed, with Newfoundland having the highest and British Columbia the lowest adjusted rates.
  • A declining trend in hospitalization rates was observed from 1997 to 2004.

Conclusions:

  • Decreasing hospitalization rates for uncomplicated hypertension suggest potential improvements in community-based care.
  • Geographic disparities in hospitalization rates highlight inequities in healthcare access and quality across provinces and regions.
Abstract

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