C反応性タンパク質対リンパ球比と抑うつとの関連:横断研究
Yanan Zhu1, Ting Ao2, Fengjie Li1
1Emergency Department, Beijing Luhe Hospital, Capital Medical University, Beijing, PR China.
Medicine
|February 6, 2026
まとめ
炎症マーカーであるC反応性タンパク質対リンパ球比(CLR)は、抑うつリスクの増加と有意に関連している。CLR値が高いほど、抑うつを発症する可能性が高まることを示唆しており、早期発見の可能性を示唆している。
科学分野:
- 臨床医学
- 精神医学
- 免疫学
背景:
- 炎症は抑うつの進行と予後に役割を果たしています。
- C反応性タンパク質対リンパ球比(CLR)は全身性炎症を示します。
- CLRと抑うつとの関連は不明なままです。
研究 の 目的:
- CLRと抑うつとの関連を調査すること。
- CLRが抑うつリスクのバイオマーカーとして機能するかどうかを判断すること。
主な方法:
- NHANES(1999-2010)から抽出された12,578人の20歳以上の参加者を分析しました。
- 空腹時採血からCLRを算出しました。
- Patient Health Questionnaire-9(PHQ-9)スコア10以上で抑うつと診断しました。
- 人口統計、ライフスタイル、併存疾患を調整したロジスティック回帰モデルを使用しました。四分位分析と傾向分析を実施しました。
主要な成果:
- 全体の抑うつ有病率は8.53%でした。
- CLRが0.1単位増加すると、抑うつオッズが11%増加しました(OR=1.11、95% CI: 1.01-1.22)。
- 最もCLR値が高い四分位群の参加者は、最も低い四分位群と比較して抑うつリスクが36%増加しました(OR=1.36、95% CI: 1.10-1.66; P-trend=.004)。
- 所見は様々なサブグループで一貫していました。
結論:
- CLRが高いほど、抑うつと有意かつ用量依存的に関連していました。
- CLRは、抑うつリスクの早期検出のための安価なバイオマーカーとして機能する可能性があります。
- 因果関係を確認し、抗炎症治療戦略を検討するためには、さらなる前向き研究が必要です。
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