The reliability and validity of visually assessing temporal wasting in older adults

DOI
  • Hasegawa Yoko
    Clinical Nutrition Center, The University of Tokyo Hospital Department of Bio-Engineering Nursing, Graduate School of Nursing, Ishikawa Prefectural Nursing University
  • Yoshida Mikako
    Department of Women's Health Nursing & Midwifery, Tohoku University Graduate School of Medicine
  • Minematsu Takeo
    Department of Skincare Science, Graduate School of Medicine, The University of Tokyo Division of Care Innovation, Global Nursing Research Center, Graduate School of Medicine, The University of Tokyo Ishikawa Prefectural Nursing University
  • Sugama Junko
    Research Center for Implementation Nursing Science Initiative, Fujita Health University
  • Sanada Hiromi
    Division of Care Innovation, Global Nursing Research Center, Graduate School of Medicine, The University of Tokyo Ishikawa Prefectural Nursing University Department of Gerontological Nursing/Wound Care Management, Graduate School of Medicine, The University of Tokyo

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Other Title
  • 高齢者における側頭部陥没の外観的評価の信頼性・妥当性の検証

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Abstract

Aim: The aim is to examine the reliability and validity of the visual assessment of temporal wasting as an assessment method of muscle wasting in the older adults. Methods: The participants were 73 individuals aged 65 or older. Kappa coefficient was used to measure the inter-rater reliability of the two examiners independently performing the visual assessment of temporal wasting. Discriminant validity was evaluated by comparing the indicators of muscle mass across the three groups of severe, mild or no temporal wasting. Known-group validity was assessed by comparing the temporal muscle thicknesses between the three groups. Results: The kappa coefficient was 0.594 for the agreement of the two examiners visually assessing temporal wasting. Participants with severe or mild temporal wasting had significantly lower levels of arm muscle circumference and calf circumferences than participants with no temporal wasting. Temporal muscle thickness was significantly lower in participants with severe temporal wasting compared to those with mild or no temporal wasting. Conclusions: In visually assessing temporal wasting, we have confirmed a moderate degree of interrater reliability, and discriminant and known-group validity.

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