TABLE 1. Results on Day 4 of Admission

Formula Protein Intake, g/kg per day Energy Intake, kcal/kg per daya Resting Energy Expenditure, kcal/kg per daya Respiratory Quotient Cumulative Energy Balance, kcal/kg per daya Cumulative Nitrogen Balance, mg/kg per day

PE-enriched (n = 8) 2.61 ± 0.24 111 ± 10 59 ± 5 0.98 ± 0.02 589 ± 115 162 ± 32
Standard (n = 10) 1.46 ± 0.11 78 ± 4 49 ± 4 0.91 ± 0.01 350 ± 50 68 ± 16
P <.01 <.01 .26 <.01 <.05 .08

a 1 kcal = 4.2 kJ.