Abstract
Abstract
Background : Achieving equity in health care remains a challenge for health care systems worldwide and marked inequities in access and quality of care persist. The performance assessment of health care systems is often limited to quality and efficiency indicators. Identifying indicators of health care equity is an important first step in integrating the concept of equity into assessments of health care system performance. Because emergency care serves as the interface between ambulatory and inpatient care, it is arguably an opportune setting in which to begin this process.
Methods: We conducted a systematic review of administrative data-derived health care equity indicators and their association with socio-economic determinants of health (SEDH) in emergency care settings. Following PRISMA-Equity reporting guidelines, Ovid MEDLINE, EMBASE, PUBMED and Web of Science were searched for relevant studies. The outcomes of interest were indicators of health care equity and the associated SEDH they examine.
Results: Among 29 studies identified, 14 equity indicators were identified and grouped into four categories that reflect the patient emergency care pathway. Total emergency department (ED) visits and ambulatory care sensitive condition-related ED visits were the two most frequently used equity indicators. The studies analysed equity based on seven SEDH: social deprivation, income, education level, social class, insurance coverage, health literacy and financial and non-financial barriers. Despite some conflicting results, all identified SEDH are associated with inequalities in access to and use of emergency care.
Conclusion: The use of administrative data-derived indicators in combination with identified SEDH could improve the measurement of health care equity in emergency care settings across health care systems worldwide. Using a combination of indicators is likely to lead to a more comprehensive, well-rounded measurement of health care equity than using any one indicator in isolation. Though studies analysed focused on emergency care settings, it seems possible to extrapolate these indicators to measure equity in other areas of the health care system. Further studies elucidating root causes of health inequities in and outside the health care system are needed.
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