ArticleAnnals of geriatric medicine and research2026
Frailty and Recurrent Hospitalization in Older Vietnamese Adults with Heart Failure: A Prospective Cohort Study.
Article in Annals of geriatric medicine and research, 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
backgroundFrailty predicts mortality in older adults with heart failure, but its association with recurrent hospitalization, and its value relative to left ventricular ejection fraction (LVEF), remain poorly characterized in Asian populations.
methodsWe followed 150 consecutive Vietnamese outpatients aged 60 years or older with chronic heart failure for 12 months for recurrent allcause hospitalization. Frailty was defined as a Clinical Frailty Scale score of 5 or higher. The primary analysis used the Andersen-Gill recurrent-event model; a four-level frailty-comorbidity composite was derived from the Charlson Comorbidity Index, and discrimination was compared by Harrell's C-statistic.
resultsOf 150 participants (median age 75 years; 59.3% male), 54 (36.0%) were frail and 79 (52.7%) were hospitalized at least once. Frailty was associated with recurrent hospitalization after adjustment for age and sex (adjusted hazard ratio 1.73, 95% confidence interval [CI] 1.06-2.83; p=0.028). The frailty-comorbidity composite showed a graded increase in hospitalization burden that did not persist after adjustment. Discrimination was modest across all models (C-statistics near 0.60) and did not differ significantly between frailty (0.581) and LVEF (0.568); combining both gave 0.610 (95% CI 0.560-0.661).
conclusionIn older Vietnamese adults with chronic heart failure, frailty was associated with recurrent all-cause hospitalization after adjustment for age and sex, with modest discrimination similar to LVEF-based stratification. Baseline frailty assessment may help identify higher-risk patients and warrants prospective evaluation.
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