{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,11]],"date-time":"2026-05-11T22:43:27Z","timestamp":1778539407932,"version":"3.51.4"},"reference-count":33,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2019,11,17]],"date-time":"2019-11-17T00:00:00Z","timestamp":1573948800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100002322","name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","doi-asserted-by":"publisher","award":["001"],"award-info":[{"award-number":["001"]}],"id":[{"id":"10.13039\/501100002322","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["aspenjournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J Parenter Enteral Nutr"],"published-print":{"date-parts":[[2020,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>We aimed to evaluate the agreement between computed tomography (CT) and surrogate methods applied in clinical practice for the assessment of low muscle mass. In addition, we assessed the association between different muscle\u2010assessment methods and nutrition status, as well as the prognostic value of low muscle mass on survival in patients with colorectal cancer (CRC).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This is a cohort including 188 CRC patients with 17\u00a0months\u2019 follow\u2010up (interquartile range: 12\u201323 months) for mortality. Low muscle mass was evaluated by corrected mid\u2010upper arm muscle area (AMAc) and calf circumference, skeletal muscle mass by bioelectrical impedance analysis (BIA), muscle deficit by physical examination with the Patient\u2010Generated Subjective Global Assessment (PG\u2010SGA), and lumbar muscle cross\u2010sectional area by CT (reference method).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The prevalence of low muscle mass ranged from 9.6% to 54.3% according to the method used. The physical examination had the highest \u03ba coefficient compared with CT. Low muscularity was associated with the presence of malnutrition, lower body fat, and low phase angle. The Cox regression models\u2014adjusted for age, sex, and treatment 3 months before study inclusion\u2014showed that severe muscle loss measured by BIA and CT and low muscle mass measured by PG\u2010SGA predicted higher mortality rates.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Compared with CT, the physical examination had the best agreement to assess low muscle mass. Low muscle mass assessed by PG\u2010SGA, BIA, and CT showed similar prognostic values for survival.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jpen.1741","type":"journal-article","created":{"date-parts":[[2019,11,17]],"date-time":"2019-11-17T23:20:35Z","timestamp":1574032835000},"page":"1328-1337","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["Comparative Analysis Between Computed Tomography and Surrogate Methods to Detect Low Muscle Mass Among Colorectal Cancer Patients"],"prefix":"10.1002","volume":"44","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1396-3386","authenticated-orcid":false,"given":"Nilian Carla","family":"Souza","sequence":"first","affiliation":[{"name":"National Cancer Institute Jos\u00e9 Alencar Gomes da Silva  Rio de Janeiro Brazil"},{"name":"Nutrition Institute Rio de Janeiro State University  Rio de Janeiro 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