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Therapeutic goals for HIV-infected patients receiving antiretroviral therapy include minimizing risk of future physical disability. Presarcopenia and sarcopenia precede age-associated physical disability. We investigated their prevalence and the predictive value of patient mid-upper arm circumference (MUAC) for them. Eighty community-dwelling patients ≥45 years old demonstrating durable viral suppression were evaluated. Sarcopenia was defined as low skeletal muscle index (SMI, skeletal muscle kg/height m 2 ) and either low strength or poor performance by handgrip dynamometry and gait speed, respectively. Presarcopenia was defined as low SMI only. MUAC was interpreted according to National Health Statistics percentile. Prevalence of sarcopenia and presarcopenia was 5.0% and 20.0%, respectively. Male gender (odds ratio [OR] 10.72; P &lt; .026), recreational psychoactive substance use (OR 5.13; P &lt; .037), and intravenous drug use transmission category (OR 6.94; P &lt;.0327) were associated with presarcopenia. Higher body mass index (OR 0.80; P &lt; .0007), MUAC (OR 0.83; P &lt; .024), and large skeletal frame (OR 0.09; P &lt; .003) were negatively associated with presarcopenia. Finding that a participant did not have a MUAC &lt;25th percentile on physical examination had a 90.4% negative predictive value for presarcopenia. Although sarcopenia was uncommon, presarcopenia was highly prevalent in midlife and older HIV-infected males. Determination of MUAC percentile may identify those least likely to demonstrate skeletal muscle deficit and improve patient selection for mass and function testing.

journal of the international association of providers of aids care

High Prevalence of Low Skeletal Muscle Mass Associated with Male Gender in Midlife and Older HIV-Infected Persons Despite CD4 Cell Reconstitution and Viral Suppression