カナダにおける股関節骨折率の動向
William D Leslie1, Siobhan O'Donnell, Sonia Jean
1Department of Medicine, University of Manitoba, Winnipeg, Canada. bleslie@sbgh.mb.ca
JAMA
|August 27, 2009
まとめ
カナダの股関節骨折率は1985年以来著しく低下し,1996年以降はさらに急激に減少している. この傾向は,男性と女性の両方に当てはまりますが,以前の減少の理由は不明です.
科学分野:
- 公衆衛生は公衆衛生である.
- エピデミオロジー エピデミオロジー
- ゲロントロジーはゲロントロジーの学科です.
背景:
- 股関節骨折は主要な公衆衛生問題であり,発症率,死亡率,および骨粗鬆症に関連した実質的な医療費の増加に関連しています.
- 股関節骨折の発生率の傾向を理解することは,公衆衛生の計画とリソースの配分に不可欠です.
研究 の 目的:
- カナダ全土における股関節骨折率の時間的傾向を分析する.
- 21年の期間にわたって,年齢別および年齢標準化された部骨折の発生率の変化を調査する.
主な方法:
- カナダ保健情報研究所 (1985-2005) の全国の入院データを活用した生態学的傾向研究.
- 分析には,570,872件の入院が含まれており,主に股関節骨折によるものです.
- 年齢別および年齢標準化された骨折率を計算し,傾向を分析した.
主要な成果:
- 年齢基準の股関節骨折率は,男女ともに著しく減少しました:女性では31.8%,男性では25.0%です.
- 1996年頃に,股関節骨折率の減少の顕著な加速が観察されました.
- 1985年から1996年にかけての年間平均減速率は1.2%であったが,1996年から2005年にかけては2.4%に加速した.
結論:
- カナダの年齢基準の股関節骨折率は,1985年以来一貫して減少しており,調査期間の後半にはより急速な減少が見られた.
- ヒップ骨折率の減少に寄与する要因,特に早期の減少は,さらなる調査を必要としています.
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