Fig. 2.

Resting energy expenditure (REE) as measured per indirect calorimetry in critically ill trauma patients within 28 days from ICU admission, stratified by patient and injury characteristics (A-F). LOESS curve fitting with 95% confidence intervals. Age and BMI cutoff values with highest coefficient in regression analysis. Severe head trauma and chest trauma defined as Abbreviate Injury Score ≥ 3 in respective body regions. ISS cutoff chosen based on median. d days, kcal kilocalories, BMI body mass index, ISS Injury Severity Score