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Prevalence of Malnutrition in Hospitalized Elderly Korean Patients Based on Mini Nutritional Assessment-Short Form
Mini Nutritional Assessment-Short Form을 이용한 노인 입원환자의 영양불량 유병률 조사: A Cross-sectional, Multi-center Study
Published online April 30, 2014
© 2014 The Korean Society for Parenteral and Enteral Nutrition.

Hosun Lee1, Ju Hee Kang2, Eunmee Kim3, Won Gyoung Kim4
이호선1, 강주희2, 김은미3, 김원경4

1Department of Clinical Nutrition, Severance Hospital, Yonsei University Health System, Seoul, 2Department of Clinical Nutrition, Bundang Jesaeng Hospital, Seongnam, 3Department of Dietetics, Samsung Medical Center, 4Department of Nutrition, Boramae Medical Center, Seoul, Korea
1세브란스병원 영양팀, 2분당제생병원 영양과, 3삼성서울병원 영양팀, 4보라매병원 영양팀
Received June 18, 2014; Revised March 11, 2014; Accepted March 11, 2014.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Purpose: To determine the prevalence of malnutrition in hospitalized elderly Korean patients using Mini Nutritional Assessment-Short Form (MNA-SF) in Korea. Methods: A cross-sectional, multi-center study was performed. We enrolled 300 patients aged ≥65 years from 10 hospitals. We collected subjects’ general characteristics, including age, sex, height, weight, and diagnosis. Patients’ nutritional status was assessed using MNA-SF within 48 hours since hospital admission.Results: The subjects were 74.2±6.3 years old, and 155 patients were male (51.7%). Cancer was the most common diagnosis (26.3%), followed by musculoskeletal (11.3%), neuromuscular (10.3%), pulmonary (9.0%), and cardiovascular disease (8.7%). The length of hospital stay was 8.7±5.9 days. According to MNA-SF, 99 patients (33.0%) were at risk of malnutrition, and 51 patients (17.0%) were malnourished. MNA-SF score showed negative correlations with age (r=?0.259, P<0.001) and hospital stay (r=?0.168, P=0.006). Patients in the malnourished or at risk of malnutrition groups were more likely to be admitted to and stayed longer in the intensive care unit (ICU) than those of normal nutritional status (8.7% vs. 17.3%, P=0.026; 1.6±1.0days vs. 3.7±3.2 days, P=0.033). The patients who were malnourished or at risk of malnutrition were hospitalized significantly longer than those of normal nutritional status (9.8±6.2 vs. 7.7.±5.4 days, P=0.004). After adjusting for age and ICU admission, nutritional status by MNA-SF was the only risk factor for prolonged hospitalization (β=1.384, P=0.005). Conclusion: About half of hospitalized elderly patients were at risk of malnutrition or malnutrition status at admission, and nutritional status was the only risk factor for longer hospital stay. Thus, more attention should be paid to the nutritional care of elderly patients to improve clinical outcomes.
Keywords : Aged, Malnutrition, Hospitalization, Length of stay
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