Research Article: Frailty index and risk of delirium in hospitalized patients: a two-sample Mendelian randomization study
Introduction:
Objective: Observational studies suggest that the frailty index (FI) is closely related to delirium, but the relationship between them is still uncertain due to the influence of various confounding factors. Therefore, two-sample Mendelian randomization (MR) was used to explore the causal relationship between the FI and delirium risk.
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