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However, EWGSOP2 criteria to diagnose sarcopenia are technically challenging, especially in elderly persons on hemodialysis. Sarcopenia may be associated with malnutrition. We aimed at defining a sarcopenia index derived from malnutrition parameters for use in elderly haemodialysis patients. (2) Methods: A retrospective study of 60 patients aged 75 to 95 years treated with chronic hemodialysis was conducted. Anthropometric and analytical variables, EWGSOP2 sarcopenia criteria and other nutrition-related variables were collected. Binomial logistic regressions were used to define the combination of anthropometric and nutritional parameters that best predict moderate or severe sarcopenia according to EWGSOP2, and performance for moderate and severe sarcopenia was assessed by the area under the curve (AUC) of receiver operating characteristic (ROC) curves. (3) Results: The combination of loss of strength, loss of muscle mass and low physical performance correlated with malnutrition. We developed regression-equation-related nutrition criteria that predicted moderate sarcopenia (elderly hemodialysis sarcopenia index-moderate, EHSI-M) and severe sarcopenia (EHSI-S) diagnosed according to EWGSOP2 with an AUC of 0.80 and 0.866, respectively. (4) Conclusions: There is a close relationship between nutrition and sarcopenia. The EHSI may identify EWGSOP2-diagnosed sarcopenia from easily accessible anthropometric and nutritional parameters.<\/jats:p>","DOI":"10.3390\/nu15051115","type":"journal-article","created":{"date-parts":[[2023,2,23]],"date-time":"2023-02-23T02:01:25Z","timestamp":1677117685000},"page":"1115","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["A Sarcopenia Index Derived from Malnutrition Parameters in Elderly Haemodialysis Patients"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2730-3242","authenticated-orcid":false,"given":"M. L.","family":"S\u00e1nchez-Tocino","sequence":"first","affiliation":[{"name":"Fundaci\u00f3n Renal \u00cd\u00f1igo \u00c1lvarez de Toledo, 28003 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6604-3327","authenticated-orcid":false,"given":"S.","family":"Mas-Fontao","sequence":"additional","affiliation":[{"name":"Servicio de Nefrolog\u00eda e Hipertensi\u00f3n, Fundaci\u00f3n Jim\u00e9nez D\u00edaz, 28040 Madrid, Spain"},{"name":"Spanish Biomedical Research Centre in Diabetes and Associated Metabolic Disorders (CIBERDEM), 28029 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"C.","family":"Gracia-Iguacel","sequence":"additional","affiliation":[{"name":"Servicio de Nefrolog\u00eda e Hipertensi\u00f3n, Fundaci\u00f3n Jim\u00e9nez D\u00edaz, 28040 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Pereira","sequence":"additional","affiliation":[{"name":"Fundaci\u00f3n Renal \u00cd\u00f1igo \u00c1lvarez de Toledo, 28003 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"I.","family":"Gonz\u00e1lez-Ibarguren","sequence":"additional","affiliation":[{"name":"Servicio de Geriatr\u00eda, Hospital Universitario de Guadalajara, 19002 Guadalajara, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A.","family":"Ortiz","sequence":"additional","affiliation":[{"name":"Servicio de Nefrolog\u00eda e Hipertensi\u00f3n, Fundaci\u00f3n Jim\u00e9nez D\u00edaz, 28040 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M. D.","family":"Arenas","sequence":"additional","affiliation":[{"name":"Fundaci\u00f3n Renal \u00cd\u00f1igo \u00c1lvarez de Toledo, 28003 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"E. Gonz\u00e1lez","family":"Parra","sequence":"additional","affiliation":[{"name":"Servicio de Nefrolog\u00eda e Hipertensi\u00f3n, Fundaci\u00f3n Jim\u00e9nez D\u00edaz, 28040 Madrid, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,2,23]]},"reference":[{"key":"ref_1","first-page":"1121","article-title":"Epidemiologic and methodologic problems in determining nutritional status of older persons. Proceedings of a conference. Albuquerque: New Mexico, 19\u201321 October 1988","volume":"50","author":"Rosemberg","year":"1989","journal-title":"Am. J. Clin. 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