Findings on Managed Care Discussed by L. Higuera and Co-Researchers (A Comparison of Retrospective Attribution Rules)
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Our news editors obtained a quote from the research, "Descriptive statistics are used to measure the fraction of patients attributed and stability of attribution from year to year. This study uses a panel of administrative claims data (2010-2011). Attribution rules were defined by unit of measure (count of physician visits, dollars paid), type of providers (primary care physicians [PCPs], all physicians), type of encounters (all visits, evaluation and management visits only), and level of concentration of care (majority, plurality). We created 32 retrospective attribution rules, spanning PCP-only rules, all-physician rules, hierarchical rules based on PCPs then all physicians, and lookback rules based on current-year PCP visits then prior-year experience. All methods exhibit a tradeoff between stability of attribution and fraction of the population attributed. This tradeoff is minimized when PCP-based rules are supplemented by a 1-year lookback when the current-year experience does not result in attribution. We recommend using this lookback method when multiple years of data are available."
According to the news editors, the research concluded: "In absence of multiple years of data, PCP-based rules maximize stability; hierarchical rules result in a greater fraction attributed with less loss of stability than simple all-provider rules."
For more information on this research see: A Comparison of Retrospective Attribution Rules.
The news editors report that additional information may be obtained by contacting
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