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Table 1 Severe nutritional risk for surgical patient in preoperative period—ESPEN [6,7,8,9]

From: Contemporary enteral and parenteral nutrition before surgery for gastrointestinal cancers: a literature review

Weight loss > 10–15% within 6 months
BMI < 18.5 kg/m2
Subjective global assessment, grade C or NRS > 5
Serum albumin < 30 g/L (with no evidence of hepatic or renal dysfunction)