MNA-SF Nutrition Screen calculator

Clinical inputs

• A. Food intake declined over the past 3 months (appetite loss, digestive problems, chewing or swallowing difficulty)
• B. Weight loss during the past 3 months
• C. Mobility
• D. Psychological stress or acute disease in the past 3 months
• E. Neuropsychological problems
• F. BMI (kg/m²), or calf circumference only if BMI is unavailable

Primary source

Rubenstein LZ, Harker JO, Salvà A, Guigoz Y, Vellas B. Screening for undernutrition in geriatric practice: developing the short-form mini-nutritional assessment (MNA-SF). J Gerontol A Biol Sci Med Sci. 2001;56(6):M366-M372; three-category scoring and calf-circumference option from Kaiser MJ, Bauer JM, Ramsch C, et al. Validation of the Mini Nutritional Assessment short-form (MNA-SF). J Nutr Health Aging. 2009;13(9):782-788. DOI: 10.1093/gerona/56.6.M366. PMID: 11382797. Scope: MNA-SF items (as printed on the official MNA-SF form): A food intake decline over past 3 months severe 0, moderate 1, none 2; B weight loss over past 3 months >3 kg 0, does not know 1, 1–3 kg 2, none 3; C mobility bed/chair-bound 0, gets out of bed/chair but does not go out 1, goes out 2; D psychological stress or acute disease in past 3 months yes 0, no 2; E neuropsychological problems severe dementia or depression 0, mild dementia 1, none 2; F1 BMI <19 0, 19 to <21 1, 21 to <23 2, ≥23 3, or F2 (only if BMI unavailable) calf circumference <31 cm 0, ≥31 cm 3. Total 0–14: 12–14 normal nutritional status, 8–11 at risk of malnutrition, 0–7 malnourished (Kaiser 2009). (2009)