https://orcid.org/0000-0002-6487-2209
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ABSTRACT
Introduction: The purpose of this systematic review was investigating the implementation outcomes of the diagnosis-related groups.
Methods: In this study, articles evaluating the effect of DRG implementation published between 1983 and July 10, 2018, which were indexed in Scopus, PubMed, and EMBASE databases were retrieved. Two reviewers reviewed the retrieved literature and included articles.
Results: Of 9834 retrieved articles, 21 related articles were finally identified and examined. The results of this study showed that a positive outcome of the implementation of the reimbursement system based on the DRG is the reduction of the average length of stay in the hospital. Not all hospitals reported a reduction in medical expenses after DRG implementation (57%). None of the evaluated studies reported an increase in mortality rate after the DRG implementation. Only 25% of the included studies reported an increased readmission rate. Most studies showed that this mechanism could transfer costs to other health centers. More than half of the studies reported reductions in the number of surgeries, hospitalization rates, and laboratory tests.
Conclusion: The reimbursement system based on DRGs has different outcomes in different types of health care systems. This system reduced the intensity of the services and the length of stay.
Disclosure statement
No potential conflict of interest was reported by the author(s).
Ethical approval
This research has been approved by the ethical committee of the research deputy of Kerman University of Medical Sciences (ethical code number IR.KMU.REC.1398.43).