ArticleFrontiers in neurology2025
Association between advanced lung cancer inflammation index levels and ischemic stroke in patients with atrial fibrillation: a propensity score-matching analysis.
Article in Frontiers in neurology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Inflammation is closely associated with atrial fibrillation (AF) complicated by stroke. The Advanced Lung Cancer Index (ALI) is a comprehensive indicator of inflammation; however, its relationship with AF-related stroke is unclear. Therefore, this retrospective study was conducted to explore the correlation between ALI and ischemic stroke in patients with AF. Methods: Patients were divided into two groups according to the optimal cutoff value of ALI: low ALI and high ALI groups. The primary outcome was ischemic stroke in patients with AF. To ensure robustness of the findings, propensity score matching, multivariate logistic regression, inverse probability weighting models, and doubly robust analysis were performed. Results: Of 2,630 eligible patients (screened: 1,879), 15.6% had a past medical history of ischemic stroke. Restricted cubic splines showed a linear dose-response relationship between baseline ALI and stroke risk (p for non-linearity = 0.46). A propensity-adjusted doubly robust analysis of 874 matched patients revealed a graded protective effect with increasing ALI quintiles: compared with the Q1 group, the Q4 and Q5 groups had odds ratios of 0.38 (95% CI 0.25-0.58) and 0.54 (0.35-0.82), respectively. Consistency across subgroups and sensitivity analysis confirmed the robustness of the results. Conclusion: ALI showed a significant protective association with ischemic stroke in participants with AF, as increased ALI level was associated with lower prevalence of ischemic stroke.
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