• Clin Nutr · Feb 2016

    Multicenter Study

    Decline in nutritional status is associated with prolonged length of stay in hospitalized patients admitted for 7 days or more: A prospective cohort study.

    • Johane P Allard, Heather Keller, Khursheed N Jeejeebhoy, Manon Laporte, Don R Duerksen, Leah Gramlich, Helene Payette, Paule Bernier, Bridget Davidson, Anastasia Teterina, and Wendy Lou.
    • Department of Medicine, University Health Network, University of Toronto, 585 University Avenue, 9N-973, Toronto, ON, M5G 2C4, Canada. Electronic address: Johane.allard@uhn.on.ca.
    • Clin Nutr. 2016 Feb 1; 35 (1): 144-152.

    Background & AimsReducing length of stay (LOS) is a priority for hospitals but patients' decline in nutritional status may have a negative impact. The aims of the study were to assess the change in nutritional status during hospitalization and determine if its decline is associated with prolonged LOS.MethodsThis is a prospective cohort study conducted in 18 Canadian hospitals. Subjective global assessment (SGA) and weight measurements were performed at admission and discharge. Patient information was collected at admission and extracted from the chart during hospitalization. Association between LOS and changes in SGA or weight loss ≥5% was tested using multivariate Cox PH approach. Results are expressed as hazard ratios (HR) and their 95% CI.Results409 patients (53% male) with a LOS >7 days were analyzed. Patients' median (q1,q3) age was 68 years (58,79) and LOS was 11 days (8,17). At admission, 49% of patients were well nourished (SGA A), 37% were moderately malnourished (SGA B) and 14% were severely malnourished (SGA C). From admission to discharge, 34% remained well-nourished, 29% remained malnourished (SGA B or C), 20% deteriorated and 17% improved. Of the 409 patients, 373 had weight measurements at admission and discharge: 92 (25%) had ≥5% weight loss. Multivariate models showed that after adjusting for covariates, decline in nutritional status from SGA A to B/C or SGA B to C (HR: 0.62, CI: (0.44, 0.87); HR: 0.35, CI: (0.20, 0.62) respectively) and weight loss ≥5% (HR: 0.52; CI: 0.40, 0.69) were significantly associated with longer LOS.ConclusionIn-hospital decline in nutritional status as assessed by SGA or weight loss ≥5% is associated with prolonged LOS independently of factors reflecting demographics, living accommodations and disease severity. This suggests a role for nutrition care in reducing LOS.Copyright © 2015 Elsevier Ltd and European Society for Clinical Nutrition and Metabolism. All rights reserved.

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