Nutritional status assessed by the Patient-Generated Subjective Global Assessment (PG-SGA) is associated with qualities of diet and life in Korean cerebral infarction patients.

Abstract

OBJECTIVE Assessment of the nutritional status of patients with cerebral infarction (CI) is important because their nutritional status influences disease outcome. The purpose of this study was to assess the nutritional status of patients with CI using the scored Patient-Generated Subjective Global Assessment (PG-SGA) and to investigate the relation of the quality of their diet and life with their nutritional status. METHODS Seventy-three patients with CI were recruited from Kyung Hee University Oriental Medical Center in Seoul, Korea, from May to July 2007. The subjects' PG-SGA, dietary quality (Dietary Diversity Score, Dietary Variety Score, and Diet Quality Index-International), and quality of life (Stroke-Specific Quality of Life, modified Barthel Index, and Beck Depression Inventory) were investigated. RESULTS The patients were classified by PG-SGA categories as well nourished (26.0%), moderately malnourished (49.3%), or severely malnourished (24.7%). Quality of diet assessed by the Dietary Diversity Score and Dietary Variety Score was significantly lower in severely malnourished patients (P < 0.001). The overall dietary quality expressed by the Diet Quality Index-International was significantly greater in the well-nourished group, followed by the moderately malnourished and severely malnourished groups. Quality of life assessed by the Stroke-Specific Quality of Life and modified Barthel Index was significantly lower in the malnourished group (P < 0.05). Quality of diet (P < 0.001) and life (P < 0.05) in patients with CI were significantly correlated with their nutritional status. CONCLUSION The PG-SGA is a useful nutritional assessment tool for patients with CI with stable vital signs. When patients with CI were categorized according to their PG-SGA score, well-nourished patients demonstrated better diet quality and better quality of life.

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