• David Nicoletti Gumieiro, Bruna Paola Murino Rafacho, Bruna Letícia Buzati Pereira, Karelin Alvisi Cavallari, Suzana Erico Tanni, Paula Schmidt Azevedo, Bertha Furlan Polegato, Leonardo Antonio Mamede Zornoff, Daniel Innocenti Dinhane, Kandir Genésio Innocenti Dinhane, Gilberto José Cação Pereira, Sergio Alberto Rupp de Paiva, and Marcos Ferreira Minicucci.
• Surgery and Orthopedic Department, Botucatu Medical School, UNESP - Univ Estadual Paulista, Botucatu, Brazil.
• Nutrition. 2015 Jul 1; 31 (7-8): 931-4.

ObjectivesThe aim of this study was to evaluate the association between serum levels of 25(OH) vitamin D3 with midupper arm muscle circumference (MUAMC), handgrip strength and length of hospital stay (LOS) after hip fracture.MethodsIn total, 102 consecutive patients with hip fracture over the age of 65 were admitted to the orthopedic unit and prospectively evaluated. All of the patients were treated according to specific protocols depending on the type of fracture. Anthropometric measurements and handgrip strength were performed, and blood samples were taken for serum biochemistry and 25(OH) vitamin D3 analysis within the first 72 h of admission. All of the patients were followed during their hospital stay, and the length of stay was recorded.ResultsOf the patients, two were excluded because of pathologic fractures. In total, 100 patients with a mean age of 80 ± 7 y were included in the analysis. Among these patients, 73% were female, and 37% had vitamin D deficiency. The median LOS was 7 (5-11) d. Patients with vitamin D deficiency had lower handgrip strength in univariate analysis. In the multiple linear regression analysis with robust standard error, serum vitamin D levels adjusted by age and sex were associated with handgrip strength but not with MUAMC and LOS after hip fracture.ConclusionsIn conclusion, vitamin D serum levels were associated with handgrip strength but not with muscle mass or length of hospital stay after hip fracture.Copyright © 2015 Elsevier Inc. All rights reserved.

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