ArticleFrontiers in medicine2026
Negative association of hemoglobin levels with mortality in older Japanese patients with dysphagia: a retrospective cohort study.
Article in Frontiers in medicine, 2026. 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
Objective: This secondary analysis aimed to examine the association between hemoglobin levels and mortality in older Japanese individuals with dysphagia. Methods: Data from 253 patients with clinically confirmed dysphagia between January 2014 and January 2017 were analyzed. Participants were divided into three tertiles based on their hemoglobin levels (T1: 5.4-10.2 g/dL; T2: 10.2-12.0 g/dL; T3: ≥12.0 g/dL). Cox proportional hazards regression was used to evaluate mortality risk, supplemented by Kaplan-Meier survival analysis and subgroup interaction assessments. Results: The study included 154 female and 99 male patients, with a median age of 83 years. The cohort demonstrated a significant inverse relationship between hemoglobin levels and mortality. After full covariate adjustment, each 1 g/dL increase in hemoglobin level corresponded to a 14% mortality risk reduction (HR = 0.86, 95% CI: 0.77-0.97, Conclusion: Hemoglobin concentration was independently and inversely associated with mortality in older Japanese patients with dysphagia. These findings underscore the prognostic value of hemoglobin in this population.
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