高齢者の歩行速度と生存率
Stephanie Studenski1, Subashan Perera, Kushang Patel
1Department of Medicine, Division of Geratric Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA. sas33@pitt.edu
JAMA
|January 6, 2011
まとめ
歩行速度は,高齢者の生存の強い予測要因である. 歩行速度の上昇は,平均寿命の伸びと関連しており,個別化されたケアのための簡単な尺度を提供します.
科学分野:
- ゲロントロジーはゲロントロジーの学科です.
- エピデミオロジー エピデミオロジー
- バイオ統計学 バイオ統計学
背景:
- 高齢期の患者の伝統的な生存推定値は,個々の変動性が欠けている.
- 歩行速度などの身体的パフォーマンスの測定は,個別化された生存予測を改善する可能性があります.
- 歩行速度は,高齢の患者の予後を評価するための潜在的に貴重なツールを提供します.
研究 の 目的:
- 高齢者の歩行速度と生存率の関連性を調査する.
- 歩行速度が高齢患者の個別化された生存推定値を改善できるかどうかを判断する.
主な方法:
- 9つのコホート研究をプール分析し,65歳以上のコミュニティに住む34,485人の成人を対象としたデータを使用した.
- 縦断的な追跡は6年から21年,歩行速度測定はベースラインで実施した.
- 歩行速度との関係における生存率と平均寿命の統計分析.
主要な成果:
- 歩行速度は,含まれているすべての研究において,生存率を有意に予測した (合計0.1 m/s に対する危険比:0.88).
- 歩行速度の上昇は,生存率と平均寿命の上昇と相関していた.
- 年齢,性別,歩行速度の予測は,複数の臨床的要因を使用したモデルと同じくらい正確でした.
結論:
- 歩行速度は,高齢者の生存の重要な独立した予測因子です.
- 歩行速度を生存評価に組み込むことは,より個別化された高齢者ケアにつながる可能性があります.
- この分析は,ゲロントロジーにおける予後マーカーとしての歩行速度の有用性を強調しています.
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