Risk adjusted resource utilization for AMI patients treated in Japanese hospitals

Edwards Evans, Yuichi Imanaka, Miho Sekimoto, Tatsuro Ishizaki, Kenshi Hayashida, Haruhisa Fukuda, Eun Hwan Oh

研究成果: ジャーナルへの寄稿学術誌査読

29 被引用数 (Scopus)

抄録

Though risk adjustment is necessary in order to make equitable comparisons of resource utilization in the treatment of acute myocardial infarction patients, there is little in the literature that can be practically applied without access to clinical records or specialized registries. The aim of this study is to show that effective models of resource utilization can be developed based on administrative data, and to demonstrate a practical application of the same models by comparing the risk-adjusted performance of the hospitals in our dataset. The study sample included 1748 AMI cases discharged from 10 large, private teaching hospitals in Japan, between 10 April 2001 and 30 June 2004. Explanatory variables included procedures (CABG and PCI), length of stay, outcome, patient demographics, diagnosis and comorbidity status. Multiple linear regression models constructed for the study were able to account for 66.5, 27.7, and 58.4% of observed variation in total charges, length of stay and charges per day, respectively. The performance of models constructed for this study was comparable to or better than performance reported by other studies that made use of explanatory variables extracted from clinical data. The use of administrative data in risk adjustment makes broad scale application of risk adjustment feasible.

本文言語英語
ページ(範囲)347-359
ページ数13
ジャーナルHealth Economics
16
4
DOI
出版ステータス出版済み - 4月 1 2007
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 健康政策

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