インドにおける心血管疾患のリスク因子と平均余命:後ろ向き研究
Prashant Kumar1, Venkata N Bhavani Penmathsa2, Daisy Bacchani3
1Department of Cardiology, Rajendra Institute of Medical Sciences, Ranchi, Jharkhand, India.
Bioinformation
|December 30, 2025
まとめ
心血管疾患(CVD)はインドにおける主要な健康問題である。本研究では、複数のCVDリスク因子を持つことは、40歳時点の平均余命を著しく低下させることが判明した。
科学分野:
- 公衆衛生
- 疫学
- 心臓病学
背景:
- 心血管疾患(CVD)はインドにおける成人死亡の主要な原因である。
- インドの成人人口における主要なCVDリスク因子の有病率は高い。
研究 の 目的:
- インドの成人における主要なCVDリスク因子を定量化すること。
- これらのリスク因子と生存および平均余命との関連を評価すること。
- 40歳時点の残存平均余命(LE)を推定すること。
主な方法:
- 2つの三次病院から得られた4,812人の成人電子カルテの後ろ向き分析。
- 人口登録システム(SRS)の背景率を用いたChiangの短縮生命表法を利用。
- 死亡リスクを評価するために調整済みCox比例ハザードモデルを採用した。
主要な成果:
- 高血圧、糖尿病、脂質異常症、喫煙、肥満が蔓延していた(それぞれ20%以上)。
- リスク因子の数が多いほど死亡リスクが増加した(3つ以上 vs 0個:ハザード比1.92;p<0.001)。
- 40歳時点の推定LEは、0個のリスク因子では39.6年であったが、3個以上では33.2年に減少した。
結論:
- インドの成人では複数のCVDリスク因子が一般的である。
- これらのリスク因子は死亡率を有意に増加させ、平均余命を減少させる。
- インドにおけるCVDの一次予防戦略を強化する必要性が критичнаである。
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