{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T14:49:56Z","timestamp":1787237396671,"version":"build-2736575974"},"reference-count":35,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2022,5,28]],"date-time":"2022-05-28T00:00:00Z","timestamp":1653696000000},"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","id":[{"id":"10.13039\/501100002322","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003593","name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100003593","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":[[2023,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Body mass index (BMI) presents prognostic value in chronic obstructive pulmonary disease (COPD), and despite its limitations in capturing malnutrition, its use is common to assess nutritional status. We aimed to confirm the association between BMI and in\u2010hospital outcomes in acute exacerbation of COPD (AECOPD) and its inaccuracy in diagnosing malnutrition.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We diagnosed malnutrition using the Subjective global assessment (SGA), Academy of Nutrition and Dietetics\u2013American Society for Parenteral and Enteral Nutrition (AND\u2010ASPEN), and two cutoff values for reduced BMI (age\u2010related and \u2264 21.0). BMI accuracy was assessed using the area under the receiver operating characteristic (AUC\u2010ROC) curve and SGA and AND\u2010ASPEN as references. We evaluated in\u2010hospital mortality and hospital stay outcomes and constructed logistic regression models.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The median hospital stay was 11 (7\u201318) days, and 7.5% of patients died. Malnutrition prevalence according to BMI, SGA, and AND\u2010ASPEN was 21.4% (mean of both cutoff values), 50%, and 54%, respectively. Reduced BMI presented low agreement (\u03ba = 0.315\u20130.383) and unsatisfactory accuracy (AUC\u2010ROC curve = 0.333\u20130.679) with reference methods for malnutrition diagnosis. Age\u2010related reduced BMI (odds ratio [OR] = 2.11; 95% CI, 1.10\u20134.04) and BMI \u2264 21.0 (OR = 2.25; 95% CI, 1.13\u20134.48) were associated with hospital stays longer than the median in adjusted models, but not in\u2010hospital mortality.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>BMI was inaccurate in identifying malnutrition in hospitalized patients with AECOPD and was associated with hospital stays longer than ten days.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/jpen.2390","type":"journal-article","created":{"date-parts":[[2022,5,5]],"date-time":"2022-05-05T13:04:30Z","timestamp":1651755870000},"page":"101-108","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":14,"title":["Association of reduced BMI, length of hospital stay, mortality, and malnutrition diagnosis in patients with acute exacerbation COPD: A secondary analysis of a cohort study"],"prefix":"10.1002","volume":"47","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0498-5305","authenticated-orcid":false,"given":"Simone","family":"Bernardes","sequence":"first","affiliation":[{"name":"Health Sciences Graduate Program from Federal University of Health Sciences of Porto Alegre  RS Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4906-6970","authenticated-orcid":false,"given":"Paulo Jos\u00e9 Zimermann","family":"Teixeira","sequence":"additional","affiliation":[{"name":"Pulmonary Rehabilitation Program, Hospital Pavilh\u00e3o Pereira Filho, Santa Casa de Misericordia of Porto Alegre Hospital Complex Undergraduate Medicine Program and Health Sciences Graduate Program from Federal University of Health Sciences of Porto Alegre  RS Brazil"},{"name":"Undergraduate Medicine Program and Health Sciences Graduate Program from Federal University of Health Sciences of Porto Alegre  RS Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0730-5424","authenticated-orcid":false,"given":"Fl\u00e1via Moraes","family":"Silva","sequence":"additional","affiliation":[{"name":"Nutrition Department and Nutrition Science Graduate Program from Federal University of Health Sciences of Porto Alegre  RS Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2022,5,28]]},"reference":[{"key":"e_1_2_10_2_1","doi-asserted-by":"publisher","DOI":"10.1183\/13993003.00610-2019"},{"key":"e_1_2_10_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(20)30925-9"},{"key":"e_1_2_10_4_1","unstructured":"World Health Organization. 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