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The optimal cut-off point of peak expiratory flow rate (PEFR) for respiratory sarcopenia (RS) diagnosis in accordance with sarcopenia identification is needed.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Aim<\/jats:title>\n                <jats:p>To establish an optimal cut-off point of PEFR for RS diagnosis in community-dwelling Asian older women.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>Sarcopenia diagnostic indicators were evaluated according to the Asian Working Group for Sarcopenia 2019 (AWGS) criteria. The respiratory parameters composed of respiratory muscle strength and respiratory function were evaluated by assessing maximal inspiratory pressure (MIP), percent predicted forced vital capacity (Pred FVC), and PEFR.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>A total of 325 community-dwelling older women were included in this study. PEFR was negatively associated with RS (OR: 0.440; 95% CI: 0.344\u20130.564). The area under the curve (AUC) of PEFR was 0.772 (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.001). The optimal cut-off point of PEFR for RS diagnosis was 3.4\u00a0l\/s (sensitivity, 63.8%; specificity, 77.3%). Significant differences were found between the robust, possible sarcopenia, sarcopenia, and RS groups in terms of both sarcopenia diagnostic indicators and respiratory parameters (<jats:italic>p<\/jats:italic>\u2009&lt;\u20090.05).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>The cut-off point of PEFR can be used as a reasonable standard for RS diagnosis. This study finding can serve as a cornerstone for developing concrete criteria of RS in older women, supporting clinical judgment, which is crucial for providing appropriate treatment through accurate diagnosis.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s40520-024-02765-z","type":"journal-article","created":{"date-parts":[[2024,5,23]],"date-time":"2024-05-23T05:01:57Z","timestamp":1716440517000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Establishing an optimal diagnostic criterion for respiratory sarcopenia using peak expiratory flow rate"],"prefix":"10.1007","volume":"36","author":[{"given":"Yerim","family":"Do","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Youngeun","family":"Lim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiyoun","family":"Kim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Haneul","family":"Lee","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,5,23]]},"reference":[{"key":"2765_CR1","doi-asserted-by":"crossref","unstructured":"Arai H (2018) Clinical Management of Sarcopenia: Secondary Publication of Geriatrics & Gerontology International ;18 S1:1\u201344. 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