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Background <p>Cardiovascular-kidney-metabolic (CKM) syndrome is defined by the interplay of metabolic risk factors, chronic kidney disease, and cardiovascular disease. The C-reactive protein–triglyceride glucose index (CTI) is a composite biomarker that reflects both inflammation and insulin resistance, but whether it is associated with mortality in persons with early-stage CKM syndrome is unknown.</p> Methods <p>We analyzed data from the National Health and Nutrition Examination Survey from 1999 to 2010. We used multivariable Cox proportional-hazards models to assess the association between the CTI score and the risk of all-cause mortality and cardiovascular disease (CVD) mortality, with vital status ascertained through Linkage to the National Death Index through December 31, 2019.</p> Results <p>Among 10,718 participants, a total of 1783 deaths (491 from CVD) occurred during a mean follow-up of 14.0 years. In fully adjusted models, a higher CTI score was associated with a greater risk of all-cause mortality (HR per unit increase, 1.56; 95% CI, 1.36 to 1.78) and of CVD mortality (HR per unit increase, 2.03; 95% CI, 1.49 to 2.77). The association with all-cause mortality was stronger among participants under the age of 60 than among those over 60 years old (<i>P</i> &lt; 0.001 for interaction).</p> Conclusion <p>Our study found that in patients with early-stage CKM syndrome, a higher CTI was independently associated with an increased risk of all-cause mortality and CVD mortality. This association was more significant in younger participants.</p>

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C-reactive protein–triglyceride glucose index predicts mortality in cardiovascular-kidney-metabolic syndrome stage 0–3: a prospective cohort study

  • 期刊论文

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  • 发表日期：

    2025年10月3日

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  • Qianliang Ying,
  • Fan He,
  • Lunzhe Wu,
  • Qucheng Wei,
  • Jian Xu

摘要

Background

Cardiovascular-kidney-metabolic (CKM) syndrome is defined by the interplay of metabolic risk factors, chronic kidney disease, and cardiovascular disease. The C-reactive protein–triglyceride glucose index (CTI) is a composite biomarker that reflects both inflammation and insulin resistance, but whether it is associated with mortality in persons with early-stage CKM syndrome is unknown.

Methods

We analyzed data from the National Health and Nutrition Examination Survey from 1999 to 2010. We used multivariable Cox proportional-hazards models to assess the association between the CTI score and the risk of all-cause mortality and cardiovascular disease (CVD) mortality, with vital status ascertained through Linkage to the National Death Index through December 31, 2019.

Results

Among 10,718 participants, a total of 1783 deaths (491 from CVD) occurred during a mean follow-up of 14.0 years. In fully adjusted models, a higher CTI score was associated with a greater risk of all-cause mortality (HR per unit increase, 1.56; 95% CI, 1.36 to 1.78) and of CVD mortality (HR per unit increase, 2.03; 95% CI, 1.49 to 2.77). The association with all-cause mortality was stronger among participants under the age of 60 than among those over 60 years old (P < 0.001 for interaction).

Conclusion

Our study found that in patients with early-stage CKM syndrome, a higher CTI was independently associated with an increased risk of all-cause mortality and CVD mortality. This association was more significant in younger participants.