Table 1

Summary of preoperative nutritional assessments

Nutritional assessment	Requires blood biochemical parameter test	Person performing assessment	Mode of assessment	Efficiency of assessment	Accounts for weight loss and/ or BMI	Requires physical assessment	Accounts for dietary intake	Accounts for medical condition/ severity of the disease	Accounts for functional capacity
SGA	No	Trained health care professional^*	Form (detailed questionnaire)	Efficient	Weight loss	Yes	Yes	Yes	Yes
PG-SGA	No	Trained health care professional^* and patient	Form (2-part detailed questionnaire)	Efficient	Weight loss	Yes	Yes	Yes	Yes
PNI	Serum albumin + lymphocyte count	Physician, dietitian, or nurse	Equation	Quick but requires laboratory parameter	No	No	No	No	No
NRI	Serum albumin	Physician, dietitian, or nurse	Equation	Quick but requires laboratory parameter	Weight loss	No	No	No	No
MUST	No	Physician, dietitian or nurse	Form (scored questionnaire)	Very efficient	Both	No	Yes	Yes	No
NRS-2002	No	Physician, dietitian, or nurse	Form (scored questionnaire)	Very efficient	Both	No	Yes	Yes	No
NRS	No	Physician, dietitian, or nurse	Form (scored questionnaire)	Very efficient	Both	No	Yes	Yes	No
Serum albumin	Yes	Physician, dietitian, or nurse	Laboratory parameter	Quick but requires laboratory parameter	No	No	No	No	No
Prealbumin	Yes	Physician, dietitian, or nurse	Laboratory parameter	Quick but requires laboratory parameter	No	No	No	No	No

BMI = body mass index; MUST = Malnutrition Universal Screening Tool; NRI = Nutritional Risk Index; NRS = Reilly’s Nutrition Risk Score; NRS-2002 = Nutritional Risk Screening 2002; PG-SGA = Patient-Generated Subjective Global Assessment; PNI = Prognostic Nutritional Index; SGA = Standard Global Assessment.
↵* Physician, dietitian, or nurse must be trained to perform assessment.