Table A1.
Cut‐offs suggested in the major screening tools.
| Phenotypic Criteria | Etiologic Criteria | ||||
|---|---|---|---|---|---|
| Weight loss | Low body mass index (kg/m 2 ) | Reduced muscle mass/muscle function | Reduced food intake | Severe disease/inflammation | |
| NRS‐2002 12 | |||||
| Mild | >5% in 3 mo | NS | NA | 50–75% of required preceding week | E.g. hip fracture, chronic disease |
| Moderate | >5% in 2 mo | 18.5–20.5 | NA | 25–60% of required preceding week | E.g. major abdominal surgery, stroke |
| Severe | >5% in 1 mo | <18.5 | NA | 0–25% of required preceding week | E.g. head injury, bone marrow transplantation, intensive care |
| MNA‐SF a ,21 | |||||
| Mild | 1–3 kg in last months | 21–23 | NS | NS | NS |
| Moderate | “Does not know” | 19–21 | “Does not go out” | Moderate loss of appetite past 3 mo | Mild dementia |
| Severe | >3 kg last months | <19 | Bed or chair bound | Severe loss of appetite past 3 mo | Acute disease past 3 mo, or severe dementia/depression |
| MUST 22 | |||||
| Medium risk | 5–10% in 3–6 mo | 18.5–20 | NA | NS | NA |
| High risk | >10% in 3–6 mo | <18.5 | NA | Acute illness AND no food intake for >5 d | NA |
a
Adapted for older adults (>65 y)
NRS‐2002 = Nutritional Risk Screening‐2002, MNA‐SF = Mini Nutritional Assessment‐Short Form, MUST = Malnutrition Universal Screening Tool, NA = not applicable, NS = not specified