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The 30-s chair stand test can be a useful tool for screening sarcopenia in elderly Japanese participants by Shuji Sawada; Hayao Ozaki; Toshiharu Natsume; Pengyu Deng; Toshinori Yoshihara; Takashi Nakagata; Takuya Osawa; Yoshihiko Ishihara; Tomoharu Kitada; Ken Kimura; Nobuhiro Sato; Shuichi Machida; Hisashi Naito is a Medicine article available to read on EtoBox.

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## Background Low muscle strength has been focused on as an essential characteristic of sarcopenia, and the 30-s chair stand test (CS-30) could be a particularly useful test for assessing muscle strength. While it is speculated to be a beneficial tool for the assessment of sarcopenia, this remains to be verified. In this study, we examined the reliability and optimal diagnostic score of the CS-30 for assessing sarcopenia in elderly Japanese participants. ## Methods This cross-sectional study included 678 participants (443 females and 235 males) who underwent the test for sarcopenia as per the Asian Working Group for Sarcopenia (AWGS) 2019, the CS-30 test, and the isometric knee-extension muscle strength test. ROC analysis was used to estimate the optimal CS-30 scores at which sarcopenia was detected. ## Results CS-30 scores were positively associated with sarcopenia (OR: 0.88; 95% CI:0.82–0.93). The AUC of the CS-30 for sarcopenia definition were 0.84 (__p__ < 0.001) for females and 0.80 (__p__ < 0.001) for males. The optimal number of stands in the CS-30 that predicted sarcopenia was 15 for females (sensitivity, 76.4%; specificity, 76.8%) and 17 for males (sensitivity, 75.0%; spec

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Author

Shuji Sawada; Hayao Ozaki; Toshiharu Natsume; Pengyu Deng; Toshinori Yoshihara; Takashi Nakagata; Takuya Osawa; Yoshihiko Ishihara; Tomoharu Kitada; Ken Kimura; Nobuhiro Sato; Shuichi Machida; Hisashi Naito

Publisher

Springer Science and Business Media LLC

Published

2021

Language

EN

Field

Medicine (Health Sciences)