• Yoichi Sato, Yoshihiro Yoshimura, Takafumi Abe, Fumihiko Nagano, and Ayaka Matsumoto.
• Department of Rehabilitation, Uonuma Kikan Hospital, Minamiuonuma, Japan.
• Nutrition. 2022 Nov 1; 103-104: 111833111833.

ObjectiveThe aim of this study was to evaluate the effects of trunk muscle mass on functional prognosis, including activities of daily living (ADLs), at hospital discharge in patients with acute stroke.MethodsThis retrospective cohort study included hospitalized patients with acute stroke. Trunk muscle mass was measured using bioelectrical impedance analysis within 5 d of admission. The primary outcome was ADLs at hospital discharge, assessed using the Functional Independence Measure-motor items (FIM-motor). The secondary outcomes were hospital length of stay and discharge to home. Multivariate analyses were performed to determine the association between trunk muscle mass and FIM subitems.ResultsData from 212 patients (mean age 72.7 y; 143 men) were included in the analysis. The median trunk muscle mass index (TMI) was 8.2 kg/m2 in men and 6.7 kg/m2 in women. Patients in the high TMI group were younger and had a higher FIM-motor score at discharge (P < 0.001). In multivariate analyses, TMI was positively associated with the FIM-motor score at discharge (β = 0.240, P < 0.001). FIM-self-care (β = 0.351, P < 0.001) and locomotion (β = 0.331, P < 0.001) were positively associated with the TMI.ConclusionsTrunk muscle mass is associated with ADLs at hospital discharge after acute stroke. TMI is important for evaluating functional prognosis in patients with acute stroke.Copyright © 2022 Elsevier Inc. All rights reserved.

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