{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,21]],"date-time":"2026-02-21T07:51:25Z","timestamp":1771660285092,"version":"3.50.1"},"reference-count":20,"publisher":"Sociedade Brasileira de Geriatria e Gerontologia","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Geriatr Gerontol Aging"],"abstract":"<jats:p>Objective: To test the cross-validation of anthropometric prediction equations for appendicular muscle mass (AMM) in older Brazilian women. Methods: Sixty-seven older women (69.84 \u00b1 5.95 years old) underwent anthropometric measurements. AMM (kg) reference values obtained by dual-energy X-ray absorptiometry (AMMDXA) were compared to 20 anthropometric equations for estimating AMM in older adults. A paired t-test (p &gt; 0.05), standard error of estimate (SEE &lt; 3.50 kg), and r2 &gt; 0.70 confirmed the validity of the equations. The agreement between predictions and the reference was also verified (Bland-Altman). Results: Four American equations and one Mexican equation were not statistically different from AMMDXA (p &gt; 0.05) but did not present suitable r2 values for validation. The American equation from the National Health and Nutrition Examination Survey (NHANES), AMM (kg) = (-0.04 \u00d7 age [years]) + (0.46 \u00d7 calf circumference [cm]) + (0.32 \u00d7 arm circumference [cm]) + (0.11 \u00d7 thigh circumference [cm]) \u2013 (0.27 \u00d7 body mass index [BMI, kg\/m2]) + (0.07 \u00d7 waist circumference [cm]) \u2013 13 119) showed the best performance (r2 = 0.64; SEE = 3.24 kg), with minimal mean difference (0.26 kg), no heteroscedasticity for extreme values, and with high agreement with the Brazilian sample (-3.90 to 3.40 kg). Conclusion: When specific equations for a given population are not available, the use of generic equations of greater sample representativeness with scientifically and reliably analyzed data is allowed.<\/jats:p>","DOI":"10.53886\/gga.e0220034","type":"journal-article","created":{"date-parts":[[2023,1,9]],"date-time":"2023-01-09T16:41:21Z","timestamp":1673282481000},"source":"Crossref","is-referenced-by-count":2,"title":["Cross-validation of 20 anthropometric prediction equations for appendicular muscle mass in older Brazilian women: a cross-sectional study"],"prefix":"10.53886","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7490-9466","authenticated-orcid":false,"given":"Pedro Pugliesi","family":"Abdalla","sequence":"first","affiliation":[{"name":"Universidade de S\u00e3o Paulo, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7988-968X","authenticated-orcid":false,"given":"Lucimere","family":"Bohn","sequence":"additional","affiliation":[{"name":"Universidade do Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0055-4682","authenticated-orcid":false,"given":"Andr\u00e9 Pereira dos","family":"Santos","sequence":"additional","affiliation":[{"name":"Universidade de S\u00e3o Paulo, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7028-1352","authenticated-orcid":false,"given":"Leonardo Santos Lopes da","family":"Silva","sequence":"additional","affiliation":[{"name":"Universidade de S\u00e3o Paulo, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6111-1199","authenticated-orcid":false,"suffix":"J\u00fanior","given":"M\u00e1rcio Fernando","family":"Tasinafo","sequence":"additional","affiliation":[{"name":"Universidade de S\u00e3o Paulo, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5087-5997","authenticated-orcid":false,"given":"Ana Claudia Rossini","family":"Venturini","sequence":"additional","affiliation":[{"name":"Universidade de S\u00e3o Paulo, Brazil"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0712-0553","authenticated-orcid":false,"given":"Nilo C\u00e9sar","family":"Ramos","sequence":"additional","affiliation":[{"name":"Coastal Carolina University, United States"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1624-5013","authenticated-orcid":false,"given":"Pablo Jorge Marcos-","family":"Pardo","sequence":"additional","affiliation":[{"name":"Universidad de Almeria, Espanha"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7571-9181","authenticated-orcid":false,"given":"Jorge","family":"Mota","sequence":"additional","affiliation":[{"name":"Universidade do Porto, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7327-0800","authenticated-orcid":false,"given":"Dalmo Roberto Lopes","family":"Machado","sequence":"additional","affiliation":[{"name":"Universidade de S\u00e3o Paulo, Brazil"}]}],"member":"32096","published-online":{"date-parts":[[2022]]},"reference":[{"key":"ref0","doi-asserted-by":"publisher","unstructured":"Cruz-Jentoft AJ, Bahat G, Bauer J, Boirie Y, Bruy\u00e8re O, Cederholm T, et al. 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