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Impact of DRG reimbursement system on hospital efficiency: systematic review
BMC Health Services Research volume 12, Article number: O2 (2012)
During the last two decades, most countries including developed and developing have experienced a rapid increase in health care expenditures in general, and hospital expenditures in particular. DRG-based reimbursement systems were introduced to control healthcare and hospital expenditure, increase activity levels and standardize care. This paper reviews the theoretical and empirical evidence on whether DRGs can meet these ambitious objectives. The objective of this study is to systematically review the effect of DRG payment system on hospital efficiency and to find theoretical and empirical evidence that DRGs enhance efficiency and effectiveness in the hospital sector.
Materials and methods
This study searched the EconLit and MedLine databases for published articles in the English between 1984 and 2009. Search terms included efficiency, Hospital efficiency, and frontier analysis. These could be reduced to more relate using additional keyword such as DRG reimbursement, DRG payment system. According to review objective relevant studies have been selected.
This paper reviewed 25 studies included all studies published in refereed journals or books that were either published or available in pre-print during the study period. According reviewed articles studies of the impact of DRGs on efficiency mostly focused on technical efficiency or productivity. The findings were somehow mixed, there was some evidence on improved technical efficiency (Portugal, Sweden, Norway) but nothing significant in the US, Austria as well. The country specific points and context may explain the divergent result.
DRGs contributed to enhance understanding of the relationship between resource use and the activity in acute care setting. Evidence from empirical studies of the impact of DRGs reimbursement on hospital efficiency is mixed. While some research tentatively suggests efficiency improvements, at least in the short-run, attributing these to DRGs reimbursement is complicated by confounding factors.
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This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Tabrizi, H.M. Impact of DRG reimbursement system on hospital efficiency: systematic review. BMC Health Serv Res 12 (Suppl 1), O2 (2012). https://doi.org/10.1186/1472-6963-12-S1-O2
- Empirical Evidence
- Specific Point
- Technical Efficiency
- Acute Care
- Health Care Expenditure