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Association Between BMI Reduction and Activities of Daily Living Improvement in Elderly Patients With Musculoskeletal Disorders in a Convalescent Rehabilitation Ward

Cureus. 2024 Oct 17;16(10):e71724. doi: 10.7759/cureus.71724. eCollection 2024 Oct.

ABSTRACT

Background As populations age, musculoskeletal disorders significantly affect the quality of life (QOL) and functional independence of elderly individuals. While BMI is commonly used to assess nutritional status and is linked to physical function, the relationship between BMI reduction and improvements in activities of daily living (ADL) remains unclear in elderly patients with musculoskeletal disorders. This study aimed to explore this relationship in a rehabilitation setting. Methods This retrospective cohort study included 75 elderly patients (65 years and older) with musculoskeletal disorders admitted to a convalescent rehabilitation ward. Patients were categorized into two groups based on BMI reduction: those with a decrease of ≥0.7 kg/m² and those with <0.7 kg/m². Functional Independence Measure (FIM) scores were recorded at admission and discharge. Statistical analyses, including logistic regression, were conducted to examine the relationship between BMI reduction and FIM improvement. Results There was no significant difference in FIM gain between the BMI-reduced and non-BMI-reduced groups. Logistic regression analysis also found no significant association between BMI reduction and FIM improvement, even after adjusting for age, gender, length of stay, and initial FIM scores. Discussion The absence of a significant association may be due to factors such as postoperative swelling, comorbidities, and the predominance of female participants, who may experience less muscle mass loss. Study limitations include the lack of data on dietary intake and body composition. Future research should include broader assessments, such as muscle mass and swelling, to better evaluate rehabilitation outcomes in elderly patients with musculoskeletal disorders.

PMID:39553114 | PMC:PMC11568862 | DOI:10.7759/cureus.71724

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