Inferring and predicting Fried physical frailty phenotype deficits Article Swipe

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Glen Pridham , Kenneth Rockwood , Andrew D. Rutenberg ·

YOU? · · 2025 · Open Access · · DOI: https://doi.org/10.48550/arxiv.2501.02033

We predict the Fried physical frailty phenotype health deficits (FPFP5: slow gait, weakness, weight loss, low activity, and exhaustion) using two measures of frailty: frailty index (FI) or frailty phenotype (FP). The FP theorizes that the FPFP5 are mutually dependent through shared etiology and positive feedbacks, so that the total number of FPFP5 deficits (NFPFP5) should be highly predictive of existing deficits. Alternatively, the FI theorizes that strong mutual dependencies exist between \emph{all} age-related health deficits, so that the FI would be more predictive. We investigated predictive models of FPFP5 using FI or NFPFP5 in the Health and Retirement Study (HRS), the English Longitudinal Study of Aging (ELSA), and the National Health and Nutrition Examination Survey (NHANES). We find that the FI, chronological age, and current deficit state are all important predictors of future FPFP5 deficits. Notably, the FI consistently out-performed NFPFP5, raising questions regarding FPFP5 causal connections and how best to measure the physical component of frailty. We discuss implications for both FPFP5 forecasting, and inference when data are missing or incomplete.

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Phenotype Psychology Gerontology Medicine Genetics Biology Gene

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Type: preprint
Language: en
Landing Page: http://arxiv.org/abs/2501.02033
PDF: https://arxiv.org/pdf/2501.02033
OA Status: green
Related Works: 10
OpenAlex ID: https://openalex.org/W4406123914

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DOI: https://doi.org/10.48550/arxiv.2501.02033

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Title: Inferring and predicting Fried physical frailty phenotype deficits

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Type: preprint

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Language: en

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Publication year: 2025

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Publication date: 2025-01-03

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Authors: Glen Pridham, Kenneth Rockwood, Andrew D. Rutenberg

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Landing page: https://arxiv.org/abs/2501.02033

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PDF URL: https://arxiv.org/pdf/2501.02033

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OA URL: https://arxiv.org/pdf/2501.02033

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Concepts: Phenotype, Psychology, Gerontology, Medicine, Genetics, Biology, Gene

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Cited by: 0

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