• Karli K Kondo, Jessica Wyse, Aaron Mendelson, Gabriella Beard, Michele Freeman, Allison Low, and Devan Kansagara.
• Portland VA Health Care System, Evidence-based Synthesis Program, Portland, OR, USA. Karli.Kondo@va.gov.
• J Gen Intern Med. 2018 Jul 1; 33 (7): 115511661155-1166.

BackgroundAlthough pay-for-performance (P4P) strategies have been used by the Veterans Health Administration (VHA) for over a decade, the long-term benefits of P4P are unclear. The use of P4P is further complicated by the increased use of non-VHA healthcare providers as part of the Veterans Choice Program. We conducted a systematic review and key informant interviews to better understand the effectiveness and potential unintended consequences of P4P, as well as the implementation factors and design features important in both VHA and non-VHA/community settings.MethodsWe searched PubMed, PsycINFO, and CINAHL through March 2017 and reviewed reference lists. We included trials and observational studies of P4P targeting Veteran health. Two investigators abstracted data and assessed study quality. We interviewed VHA stakeholders to gain further insight.ResultsThe literature search yielded 1031 titles and abstracts, of which 30 studies met pre-specified inclusion criteria. Twenty-five examined P4P in VHA settings and 5 in community settings. There was no strong evidence supporting the effectiveness of P4P in VHA settings. Interviews with 17 key informants were consistent with studies that identified the potential for overtreatment associated with performance metrics in the VHA. Key informants' views on P4P in community settings included the need to develop relationships with providers and health systems with records of strong performance, to improve coordination by targeting documentation and data sharing processes, and to troubleshoot the limited impact of P4P among practices where Veterans make up a small fraction of the patient population.DiscussionThe evidence to support the effectiveness of P4P on Veteran health is limited. Key informants recognize the potential for unintended consequences, such as overtreatment in VHA settings, and suggest that implementation of P4P in the community focus on relationship building and target areas such as documentation and coordination of care.

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