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Skeletal muscle mass, handgrip force and isometric knee extension moment, adjusted for potential confounders (solid circles), and 95% confidence interval (open circles), for 311 men (panels A-C) and 356 women (panels D-F), representing an age-stratified random sample of the community, by PTH levels. All were adjusted for age, physical activity, season and fat mass, and skeletal muscle mass was additionally adjusted for height.
