Nutrition Risk Screening Calculator
Screen for malnutrition risk using validated tools: NRS-2002, MUST, MNA-SF, and SGA.
Nutrition Screening
NRS2002 Score
2
Low Risk
BMI
22.5
kg/m²
Weight Loss
7.1%
from usual
Interpretation
Rescreen weekly. If major procedure planned, consider preventive nutritional care.
Recommendations
- • Refer to registered dietitian for comprehensive assessment
- • Calculate caloric and protein requirements
- • Consider oral nutritional supplements (ONS)
- • Ensure adequate protein intake (1.2-1.5 g/kg/day for most hospitalized patients)
- • Provide micronutrient supplementation as needed
- • Consider enteral nutrition if oral intake inadequate
Screening Tool Comparison
NRS-2002: Hospitalized patients, validated in acute care
MUST: Community and hospital, quick 5-step tool
MNA-SF: Elderly patients ≥65 years, geriatric-specific
SGA: Comprehensive assessment, requires clinical judgment
Estimated Nutritional Requirements
• Calories: 1625-1950 kcal/day
• Protein: 78-98 g/day
• Fluid: 1950 mL/day (adjust for clinical status)
Disclaimer: Nutrition screening tools identify patients at risk but do not diagnose malnutrition. Patients identified as at-risk should receive comprehensive nutritional assessment by a qualified dietitian. Treatment should be individualized based on clinical condition and nutritional goals.