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Comparison of two nutrition assessment tools in surgical elderly inpatients in Northern China
JunDe Zhou1, Miao Wang2, HaiKuan Wang1
1Department of General Surgery, The Second Affiliated Hospital, Harbin Medical University, 148, Bao Jian Road, Harbin, 150081, China.
Background & Objective:
Nutrition assessment enables early identification of malnourished patients and those at risk of malnutrition. To determine the prevalence of malnutrition, to analyze the correlation between short-form Mini Nutritional Assessment (MNA-SF) and Nutritional Risk Screening 2002 (NRS2002) with classical nutritional markers among elderly hospitalized patients in surgery departments, with a view to improving nutrition advice for these patients.
Methods:
A total of 142 elderly patients admitted for surgery were enrolled in the study. Within 48 hours of admission, MNA-SF and NRS2002 scale, anthropometric measures and biochemical tests were carried out to assess the nutritional status of each patient.
Results:
The prevalence of malnutrition classified by MNA-SF, NRS2002, BMI, serum albumin, hemoglobin, total lymphocyte count, handgrip strength, calf circumference and mid-arm circumference were 45%, 38%, 17%, 22%, 24%, 71%, 36%, 12 % and 15 %, respectively. As the nutritional status classified by both MNA-SF and NRS2002 deteriorated, BMI, serum albumin, hemoglobin, handgrip strength, mid-arm circumference and calf circumference of patients with malnutrition were lower (P < 0.05). MNA-SF and NRS2002 had a unanimous correlation with classical nutritional markers (P < 0.05) except total lymphocyte count (P > 0.05). MNA-SF results showed a moderate agreement (P < 0.001) with NRS2002. Malnourished patients were older than well-nourished patients with NRS2002 (P < 0.05). Digestive disease patients tend to suffer from malnutrition, evaluated by MNA-SF (P < 0.05).
Conclusions:
The results show a relatively high prevalence of malnutrition among elderly patients in our general surgery department, especially in patients with digestive disease. NRS2002 and MNA-SF on elderly patients showed great consistency but significant difference in elderly patients with digestive disease. Both MNA-SF and NRS2002 correlated with each other and with BMI, serum albumin, hemoglobin, handgrip strength, calf circumference and mid-arm circumference. MNA-SF may be a more suitable tool for the nutrition assessment of surgical elderly inpatients.
