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Updated: Jan 28, 2026

A Training Program Using an Agility Ladder for Community-Dwelling Older Adults
Published on: March 7, 2020
Association of growth differentiation factor 15 with other key biomarkers, functional parameters and mortality in
Dietrich Rothenbacher1, Dhayana Dallmeier2, Hannes Christow2
1Institute of Epidemiology and Medical Biometry, Ulm University, Ulm, Germany.
Background:
Growth differentiation factor 15 (GDF-15) has been associated with many adverse age-related outcomes and other age-related disorders. The aim of the study was to investigate if baseline levels of GDF-15 are associated with total mortality in community living, older adults during eight years of follow-up after simultaneous consideration of key biomarkers and functional parameters.
Methods:
prospective cohort study including 1,470 community-dwelling older adults aged 65 years or older. GDF-15 was measured by ElectroChemi-Lumisnescence Immunoassays (Roche, Mannheim, Germany). We used Cox-proportional hazards regression to estimate the association of GDF-15 levels with 8-year all-cause mortality.
Results:
GDF-15 levels were independently of age and sex strongly associated with many biomarkers such as CRP, IL-6, NT-proBNP, hs-troponines as well as with lipids, metabolic and endocrine markers and kidney function (all P-values < 0.001). GDF-15 showed also a statistically significant correlation to gait speed, hand grip strength and walking duration. In addition, we found a consistent association between levels of GDF-15 and risk of subsequent all-cause mortality which persisted after additional adjustment for key markers of inflammation, cardiac function and damage, and physical function. The hazard ratio (HR) per unit increase of log-transformed GDF-15 was 1.72 (95% CI 1.35; 2.18).
Conclusions:
GDF-15 levels were not only strongly associated with many functional parameters and key biomarkers independently of age and sex, but also with 8-year all-cause mortality even after adjusting for gait speed, NT-proBNP and hs-TnT.
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