Table 7.

Identification of patients with high risk of refeeding syndrome.

Patients with 1 or more of the following:	BMI < 16 kg/m2 Unintentional weight loss of >15% in the previous 3–6 months. Minimum or no intake for >10 days. Low levels of K, P, or Mg before refeeding.
Or, patients with 2 or more of the following:	BMI < 18.5 kg/m2 Unintentional weight loss of >10% in the previous 3–6 months Minimum or no intake for >5 days. History of alcohol abuse, drugs, insulin treatment, chemotherapy, antacids, or diuretics.