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Table 1 Criteria for determining patients at high risk of developing RFS

From: Refeeding syndrome in adults with celiac crisis: a case report

Patient has one or more of the following:
 • a BMI of less than 16 kg/m2
 • unintentional weight loss greater than 15% within the last 3–6 months
 • little or no nutritional intake for more than 10 days
 • low levels of potassium, phosphate, or magnesium prior to feeding
Or patient has two or more of the following:
 • a BMI of less than 18.5 kg/m2
 • unintentional weight loss greater than 10% within the last 3–6 months
 • little or no nutritional intake for more than 5 days
 • a history of alcohol abuse or drugs including insulin, chemotherapy, antacids, or diuretics
  1. BMI body mass index, RFS refeeding syndrome