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Background: The subjective global assessment (SGA) is a powerful tool for nutrition status assessment. Our aim was to compare vitamin C serum levels among patients classified as A, B, or C in the SGA.
Methods: One hundred-and-fifty adults in the wards of the University Hospital participated in this study. Besides SGA, all cases were submitted to anthropometry, bioelectrical impedance analysis (BIA), and 24-hour dietary recall. Laboratory data included blood hemoglobin, serum ferritin, serum albumin, transferrin, C-reactive protein (CRP), and vitamin C. Acute phase response was defined by serum CRP > 0.5 mg/dL; low serum vitamin C was defined by serum levels < 0.4 mg/dL. Analysis of variance and χ tests were used to compare groups; P < 0.05 was considered significant.
Results: Patients were diagnosed as SGA A (n = 76), B (n = 38), or C (n = 36) and showed different anthropometry and BIA. The same occurred, respectively, with vitamin C (median; range, in mg/day) intake (55.0; 4.7-140.6 vs 34.0; 10.3-244.2 vs 15.8; 2.3-124.0) and high (%) CRP (88.3 vs 65.8 vs 48.7) and low (%) vitamin C serum levels (21.1 vs 34.2 vs 63.9).
Conclusion: Patients with worst nutrition parameters (SGA C) showed lower ascorbic acid serum levels than those classified as SGA A or B. These results are in accordance with reduced vitamin C intake and the presence of acute phase response.
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| http://dx.doi.org/10.1002/jpen.1460 | DOI Listing |
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