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Aim <p>The neutrophil percentage-to-albumin ratio (NPAR) is a cost-effective and readily accessible novel inflammatory biomarker, but its association with post-stroke depression (PSD) remains underexplored. This study aims to investigate the relationship between NPAR and PSD, providing a foundation for the clinical prevention and treatment of stroke.</p> Methods <p>We used data from the National Health and Nutrition Examination Survey (NHANES) from 2005 to 2018 in this cross-sectional analysis, applying a multivariate logistic regression model to explore the association between NPAR and PSD, using restricted cubic splines (RCS) to evaluate their non-linear relationship, and exploring heterogeneity through subgroup analysis and interaction tests. Receiver operating characteristic (ROC) curve analysis was used to assess the predictive performance of NPAR for PSD. Additionally, a sensitivity analysis was conducted to assess the robustness of the results.</p> Results <p>This study included a total of 32,220 participants, and there was a significant positive correlation between NPAR levels and PSD risk. In the fully adjusted model, the positive correlation between NPAR and PSD remains stable (OR = 1.087; 95% CI, 1.024–1.154). RCS analysis indicates a linear association between NPAR and PSD. Subgroup analysis revealed that this association was significantly present in men, age &gt; 60&#xa0;years, smoking, drinking, hypertension, diabetes, BMI ≥ 25&#xa0;kg/m<sup>2</sup>, and no strenuous physical activity. Moreover, the ROC curve analysis showed that the area under the curve (AUC) of NPAR for predicting PSD was 0.62 (95% CI 0.58–0.66).</p> Conclusions <p>This study demonstrated a positive association between NPAR and PSD. However, the cross-sectional design precludes causal inference, and prospective studies are needed to further elucidate the relationship.</p>

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The association between neutrophil percentage-to-albumin ratio and post-stroke depression: a cross-sectional study

  • 期刊论文

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  • 发表日期：

    2026年3月17日

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  • Xinglu Dong,
  • Fei Wang,
  • Mengna Liu

摘要

Aim

The neutrophil percentage-to-albumin ratio (NPAR) is a cost-effective and readily accessible novel inflammatory biomarker, but its association with post-stroke depression (PSD) remains underexplored. This study aims to investigate the relationship between NPAR and PSD, providing a foundation for the clinical prevention and treatment of stroke.

Methods

We used data from the National Health and Nutrition Examination Survey (NHANES) from 2005 to 2018 in this cross-sectional analysis, applying a multivariate logistic regression model to explore the association between NPAR and PSD, using restricted cubic splines (RCS) to evaluate their non-linear relationship, and exploring heterogeneity through subgroup analysis and interaction tests. Receiver operating characteristic (ROC) curve analysis was used to assess the predictive performance of NPAR for PSD. Additionally, a sensitivity analysis was conducted to assess the robustness of the results.

Results

This study included a total of 32,220 participants, and there was a significant positive correlation between NPAR levels and PSD risk. In the fully adjusted model, the positive correlation between NPAR and PSD remains stable (OR = 1.087; 95% CI, 1.024–1.154). RCS analysis indicates a linear association between NPAR and PSD. Subgroup analysis revealed that this association was significantly present in men, age > 60 years, smoking, drinking, hypertension, diabetes, BMI ≥ 25 kg/m2, and no strenuous physical activity. Moreover, the ROC curve analysis showed that the area under the curve (AUC) of NPAR for predicting PSD was 0.62 (95% CI 0.58–0.66).

Conclusions

This study demonstrated a positive association between NPAR and PSD. However, the cross-sectional design precludes causal inference, and prospective studies are needed to further elucidate the relationship.