Body Mass Index and Mortality in Elderly Subjects from the Moli-Sani Study: A Possible Mediation by Low-Grade Inflammation?

Authors: Crotti G, Gianfagna F, Bonaccio M, Di Castelnuovo A, Costanzo S, Persichillo M, De Curtis A, Cerletti C, Donati MB, de Gaetano G, Iacoviello L, Moli-sani study Investigators Abstract The association between obesity and mortality in the elderly remains controversial. To test the association between BMI and mortality, with the hypothesis of a mediation by low-grade inflammation (LGI), a prospective study design (median follow-up 7.8 years) was used on a sample of 4,970 elderly subjects (age ≥ 65 years) from the Moli-sani Study cohort. The association between BMI categories and overall or cause-specific mortality (hazard ratio, HR) was calculated by multivariable Cox regression. Dose-response relationship was tested using restricted cubic splines. Interaction between BMI an...

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