{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,27]],"date-time":"2026-10-27T00:11:03Z","timestamp":1793059863267,"version":"4.5.0"},"reference-count":58,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2022,7,18]],"date-time":"2022-07-18T00:00:00Z","timestamp":1658102400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Universit\u00e0 Cattolica del Sacro Cuore","id":[{"id":"https:\/\/ror.org\/03h7r5v07","id-type":"ROR","asserted-by":"crossref"}]},{"name":"nonprofit research foundation Centro Studi Achille e Linda Lorenzon"},{"name":"Ministero della Salute\u2014Ricerca Corrente 2022","id":[{"id":"https:\/\/ror.org\/00789fa95","id-type":"ROR","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJERPH"],"abstract":"<jats:p>Background: The present systematic review and meta-analysis investigated the cross-sectional and longitudinal associations between protein intake and sarcopenia in older adults. Methods: Observational studies that investigated the association between protein intake and sarcopenia as the primary or secondary outcome in people aged 60 years and older were included. Studies published in languages other than English, Italian, Portuguese, and Spanish were excluded. Studies were retrieved from MEDLINE, SCOPUS, EMBASE, CINAHL, AgeLine, and Food Science Source databases through January 31, 2022. A pooled effect size was calculated based on standard mean differences. Results: Five cross-sectional studies, one longitudinal study, and one case-control study that investigated 3353 community-dwelling older adults with a mean age of approximately 73 years were included. The meta-analysis of four studies indicated that older adults with sarcopenia consumed significantly less protein than their peers with no sarcopenia. Conclusions: Results of the present study suggest that an inadequate protein intake might be associated with sarcopenia in older adults.<\/jats:p>","DOI":"10.3390\/ijerph19148718","type":"journal-article","created":{"date-parts":[[2022,7,18]],"date-time":"2022-07-18T11:32:23Z","timestamp":1658143943000},"page":"8718","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":145,"title":["Protein Intake and Sarcopenia in Older Adults: A Systematic Review and Meta-Analysis"],"prefix":"10.3390","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7482-9514","authenticated-orcid":false,"given":"H\u00e9lio","family":"Coelho-Junior","sequence":"first","affiliation":[{"name":"Department of Geriatrics and Orthopedics, Universit\u00e0 Cattolica del Sacro Cuore, L.go F. Vito 1, 00168 Rome, Italy"},{"name":"Fondazione Policlinico Universitario \u201cAgostino Gemelli\u201d IRCCS, L.go A. Gemelli 8, 00168 Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5472-2365","authenticated-orcid":false,"given":"Riccardo","family":"Calvani","sequence":"additional","affiliation":[{"name":"Fondazione Policlinico Universitario \u201cAgostino Gemelli\u201d IRCCS, L.go A. Gemelli 8, 00168 Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4910-7373","authenticated-orcid":false,"given":"Domenico","family":"Azzolino","sequence":"additional","affiliation":[{"name":"Department of Clinical and Community Sciences, Universit\u00e0 di Milano, Via Festa del Perdono 7, 20122 Milan, Italy"},{"name":"Geriatric Unit, IRCCS Istituti Clinici Scientifici Maugeri, Via Camaldoli 64, 20138 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7032-3487","authenticated-orcid":false,"given":"Anna","family":"Picca","sequence":"additional","affiliation":[{"name":"Fondazione Policlinico Universitario \u201cAgostino Gemelli\u201d IRCCS, L.go A. Gemelli 8, 00168 Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5750-9746","authenticated-orcid":false,"given":"Matteo","family":"Tosato","sequence":"additional","affiliation":[{"name":"Fondazione Policlinico Universitario \u201cAgostino Gemelli\u201d IRCCS, L.go A. Gemelli 8, 00168 Rome, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francesco","family":"Landi","sequence":"additional","affiliation":[{"name":"Department of Geriatrics and Orthopedics, Universit\u00e0 Cattolica del Sacro Cuore, L.go F. Vito 1, 00168 Rome, Italy"},{"name":"Fondazione Policlinico Universitario \u201cAgostino Gemelli\u201d IRCCS, L.go A. 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