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Table 1 Protein and energy provision: guidelines for dosing of protein and energy based on BMI category

From: A randomized trial of supplemental parenteral nutrition in underweight and overweight critically ill patients: the TOP-UP pilot trial

 

Minimum energy

Minimum protein

BMI <25

25 kcals/kg actual wt

1.2 g/kg actual wt

BMI >35

20 kcals/kg ABW

1.2/kg ABW

  1. Weights in obese patients calculated according to the following formula: obesity – adjusted body weight = IBW + [actual weight – IBW] x 0.25, where IBW is based on a BMI of 25
  2. Abbreviations: ABW, adjusted body weights, BMI body mass index, IBW, ideal body weight