スタチンの服従と事故のリスク: 警告の物語
Colin R Dormuth1, Amanda R Patrick, William H Shrank
1Therapeutics Initiative, and Department of Anesthesiology, Pharmacology, and Therapeutics, University of British Columbia, Victoria, BC, Canada. colin.dormuth@ti.ubc.ca
Circulation
|April 8, 2009
まとめ
スタチン療法に固執する患者は,より健康で,より健康を求め,必ずしも薬自体によって保護されるわけではありません. これは,予防薬の研究における潜在的なバイアスを強調しています.
科学分野:
- 心血管医学 心血管医学
- ファルマコエピデミオロギー学
- 医療サービス 研究 医療サービス
背景:
- 予防的な薬剤試験は,より健康な患者がより多くの薬を服用するから,バイアスのリスクがあります.
- スタチンのアデバーンスが,事故など,スタチンの影響を受けない結果と相関するかどうかを調査した.
研究 の 目的:
- スタチン研究におけるバイアスを評価するために,非因果的な結果との関連を調べる.
- スタチンの服用が薬の有効性よりも健康的な行動を反映しているかどうかを判断する.
主な方法:
- ブリティッシュ・コロンビア州のプライマリ予防のためのスタチンの開始者141,086人を対象とした前向きなコホート研究.
- 多変数調整のコックス比例リスクモデルを使用して,アデレンスとアウトカムを分析しました.
- スタチンの服用と事故,スクリーニング,その他の病気との関連を調べた.
主要な成果:
- スタチンの服用率が高いと,自動車事故 (HR 0.75) と職場事故 (HR 0.77) の割合が低いと関連していた.
- 添付した患者は,スクリーニングサービスの利用率の増加を示した (HR 1.17).
- 順守は,関係のない疾患を発症する確率が低いことと相関していた (HR 0.87).
結論:
- スタチンのアデバーンスは,より健康を求めるものと関連しており,純粋に薬理学的効果よりも行動的効果を示しています.
- 発見は,アデレンスバイアスのために予防薬のみに起因する保護効果を解釈する際の注意を促しています.
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