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Trajectories in muscular strength and physical function among men with and without prostate cancer in the health aging and body composition study

To examine and compare changes in strength and physical function from pre- to post-diagnosis among men with prostate cancer (PC, [cases]) and matched non-cancer controls identified from the Health, Aging and Body Composition (Health ABC) study. We conducted a longitudinal analysis of 2 strength and...

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Bibliographic Details
Published in:PloS one 2020-02, Vol.15 (2), p.e0228773-e0228773
Main Authors: Lucas, Alexander R, Bitting, Rhonda L, Fanning, Jason, Isom, Scott, Rejeski, W Jack, Klepin, Heidi D, Kritchevsky, Stephen B
Format: Article
Language:English
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Summary:To examine and compare changes in strength and physical function from pre- to post-diagnosis among men with prostate cancer (PC, [cases]) and matched non-cancer controls identified from the Health, Aging and Body Composition (Health ABC) study. We conducted a longitudinal analysis of 2 strength and 3 physical function-based measures among both cases and controls, identified from a large cohort of community living older adults enrolled in the Health ABC study. We plotted trajectories for each measure and compared cases vs. controls from the point of diagnosis onwards using mixed-effects regression models. For cases only, we examined predictors of poor strength or physical function. We identified 117 PC cases and 453 matched non-cancer controls (50% African Americans). At baseline, there were no differences between cases and controls in demographic factors, comorbidities or self-reported physical function; however, cases had slightly better grip strength (44.6 kg vs. 41.0 kg, p
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0228773