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BMC Health Services Research
Published in: BMC Health Services Research 1/2021

Open Access 01-12-2021 | Research

The impact of hospital accreditation on the quality of healthcare: a systematic literature review

Authors: Mohammed Hussein, Milena Pavlova, Mostafa Ghalwash, Wim Groot

Published in: BMC Health Services Research | Issue 1/2021

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Abstract

Background

Accreditation is viewed as a reputable tool to evaluate and enhance the quality of health care. However, its effect on performance and outcomes remains unclear. This review aimed to identify and analyze the evidence on the impact of hospital accreditation.

Methods

We systematically searched electronic databases (PubMed, CINAHL, PsycINFO, EMBASE, MEDLINE (OvidSP), CDSR, CENTRAL, ScienceDirect, SSCI, RSCI, SciELO, and KCI) and other sources using relevant subject headings. We included peer-reviewed quantitative studies published over the last two decades, irrespective of its design or language. Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines, two reviewers independently screened initially identified articles, reviewed the full-text of potentially relevant studies, extracted necessary data, and assessed the methodological quality of the included studies using a validated tool. The accreditation effects were synthesized and categorized thematically into six impact themes.

Results

We screened a total of 17,830 studies, of which 76 empirical studies that examined the impact of accreditation met our inclusion criteria. These studies were methodologically heterogeneous. Apart from the effect of accreditation on healthcare workers and particularly on job stress, our results indicate a consistent positive effect of hospital accreditation on safety culture, process-related performance measures, efficiency, and the patient length of stay, whereas employee satisfaction, patient satisfaction and experience, and 30-day hospital readmission rate were found to be unrelated to accreditation. Paradoxical results regarding the impact of accreditation on mortality rate and healthcare-associated infections hampered drawing firm conclusions on these outcome measures.

Conclusion

There is reasonable evidence to support the notion that compliance with accreditation standards has multiple plausible benefits in improving the performance in the hospital setting. Despite inconclusive evidence on causality, introducing hospital accreditation schemes stimulates performance improvement and patient safety. Efforts to incentivize and modernize accreditation are recommended to move towards institutionalization and sustaining the performance gains.
PROSPERO registration number CRD42020167863.
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Metadata
Title
The impact of hospital accreditation on the quality of healthcare: a systematic literature review
Authors
Mohammed Hussein
Milena Pavlova
Mostafa Ghalwash
Wim Groot
Publication date
01-12-2021
Publisher
BioMed Central
Published in
BMC Health Services Research / Issue 1/2021
Electronic ISSN: 1472-6963
DOI
https://doi.org/10.1186/s12913-021-07097-6

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