What is the impact of nutritional status on health-related quality of life in hemodialysis patients?
Abstract
OBJECTIVES: To develop a nutrition-specific quality of life (NSQOL) questionnaire that combines the Appetite and Diet Assessment Tool and the Food Enjoyment in Dialysis tool, and to measure the association between nutritional status and both the NSQOL and the generic health-related quality of life (HRQOL) in hemodialysis patients.
METHODS: Cross-sectional study of 89 hemodialysis patients. Nutritional status was measured by subjective global assessment and biochemical indices, including serum albumin concentration. Adequacy of dialysis was also measured. To determine the correlation between quality of life and nutritional status, both the NSQOL and the HRQOL instruments were used.
RESULTS: The mean NSQOL score for the entire cohort was 8.9 ± 4.5. The NSQOL was positively correlated with the mental component score (r = 0.52, P < .001) and the physical component score (PCS) (r = 0.29, P < .05) of the HRQOL questionnaire. There was no difference in the NSQOL score between the moderately malnourished and the mildly malnourished to well-nourished patients. The mean PCS was significantly lower in the moderately malnourished group as compared with the mildly malnourished and well-nourished groups (33.4 ± 10.7 vs. 38.9 ± 10.2, P < .05); however, there was no difference in the mean mental component score between the groups. Nutritional status, as assessed by subjective global assessment, was positively correlated with the PCS (r = 0.33, P < .05) and serum albumin concentration (r =…
How strong is the evidence?
Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause. Reported size: 89 participants or records.
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