投資家が所有するHMOsと非営利のHMOsのケア品質
D U Himmelstein1, S Woolhandler, I Hellander
1Department of Medicine, Center for National Health Program Studies, Cambridge Hospital/Harvard Medical School, Mass, USA.
JAMA
|July 20, 1999
まとめ
投資家が所有する健康維持機関 (HMO) は,非営利計画よりも質の低いケアを提供しています. この研究では,投資家が所有するHMOの14の品質指標すべてにおいて,より低い比率が示された.
科学分野:
- 医療サービス 研究 医療サービス
- 介護の質について
- 健康経済学 医療経済学
背景:
- 投資家が所有する健康維持機関 (HMO) は,登録の有意な増加を目撃しています.
- 投資家が所有するHMOと非営利のHMOが提供する介護の質を比較するデータは限られている.
研究 の 目的:
- 投資家が所有するHMOと非営利のHMOのケア品質の比較分析を行う.
主な方法:
- Health Plan Employer Data and Information Set (HEDIS) バージョン3.0をQuality Compass 1997から利用しました.
- 329のHMO (248の投資家所有,81の非営利) の1996年のケア品質データを分析した.
- 14のHEDISのケア品質指標の評価率を検証した.
主要な成果:
- 投資家が所有するHMOは,非営利のプランと比較して,14のケア品質指標すべてで低い割合を示しました.
- 具体例としては,心筋梗塞後のベータブロッカーの使用率が低く,糖尿病患者の年間眼科検査があります.
- 予防接種,マンモグラフィー,パパニコラウ検査,および投資家が所有するプランの精神病院入院においても,低い割合が観察されました.
結論:
- 投資家が所有するHMOは,非営利プランと比較して,低品質のケアを提供することに関連しています.
- 質のスコアは,スタッフモデルとグループモデルHMOで最高でした.
- 投資家の所有権は,他の要因をコントロールした後でも,品質の低下の重要な予測要因であり続けました.
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