複数の死因の再分類と重み付け:米国の死亡証明書 2003-2023
medRxiv : the preprint server for health sciences
|February 12, 2026
まとめ
死亡証明書の標準化された再分類と複数の原因を考慮すると,疾患負担の推定値は大きく変化します. これらの変化は,公衆衛生の優先順位と資源配分に影響を及ぼします.
科学分野:
- 死亡率統計は死亡率の統計である.
- 公衆衛生の監視は公衆衛生の監視である.
- エピデミオロジー エピデミオロジー
背景:
- 従来の死亡率統計は,しばしば,死亡の根本的な原因を1つだけに依拠し,潜在的に貢献する条件を無視しています.
- 標準化された再分類と重み付けスキームは,複数の死因を分析するための代替方法を提供します.
研究 の 目的:
- 標準化された再分類と様々な重み付けスキームが米国の死亡証明書のデータに与える影響を評価する.
- これらの方法が病気の負担と死亡率の推定をどのように変化させるかを評価する.
主な方法:
- 2003年から2023年までの米国死亡証明書の約5700万件を分析した.
- ICD-10のコードを14の病気カテゴリーにマッピングしました.
- 報告された原因 (エンティティ軸) と再分類された原因 (記録軸) を比較し,複数のリストされた原因に3つの重み付けスキーム (W1,W2,W2A) を適用しました.
主要な成果:
- 再分類により,主体と記録軸の間の根本的な原因合意は,カテゴリーでは84.8%,特定のICD-10コードでは68.9%に変更されました.
- 再分類により,COVID-19 (+92%) と輸送 (+44%) による死亡が増加し,その他の外部原因 (-54%) による死亡が減少した.
- 重み付けは,COVID-19 (-44-63%) とFalls (-46-66%) の推定値を下げ,W2とW2Aがより顕著な変化を示した.
結論:
- 標準化された再分類と重み付けスキームは,従来の単一原因分析と比較して,疾患負担の推定値を大幅に変更します.
- これらの方法は,公衆衛生政策,資源配分,および死亡率パターンの理解に深い影響を及ぼします.
- 複数の死因を考慮すると,死亡率の帰属に関するより包括的な見解が得られます.
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