Feasibility of achieving different protein targets using a hypocaloric high-protein enteral formula in critically ill patients

Table 2 Comparisons of Energy and Protein Intake, Resting Energy Expenditure and Phase Angle Measurements on Days 1, 3, 5 and 7 in Groups A and B

	Group A N = 10	n*	Group B N = 22	n*
Day 1
REE, kcal/d	1530.9 ± 460.4	10	1724.4 ± 303.3	20
Total enteral calories, kcal/d	600 ± 195.2	10	688.6 ± 247.4	22
Administered REE	39%		40%
Protein administered, g/kg/d	0.74 ± 0.3	10	1.03 ± 1.4	22
Calorie balance, kcal/d	− 785.2 ± 421.6	10	− 866.2 ± 354.2	20
Phase angle, degree	3.8 ± 1.3	10	4.5 ± 2.1	18
Day 3
REE, kcal/d	1626.4 ± 365	10	1668.9 ± 347.7	17
Total enteral calories, kcal/d	992.3 ± 265.3	10	770.5 ± 436.3	19
Administered REE	61%		46%
Calorie balance, kcal/d	− 2073.4 ± 1207.4	10	− 2441.1 ± 931.4	17
Protein administered, g/kg/d	1.2 ± 0.32	10	0.85 ± 0.53	19
Phase angle, degree	3.3 ± 1.3	8	3.3 ± 1.1	7
Day 5
REE, kcal/d	1611.3 ± 353.8	10	17,161. ± 334.2	15
Total enteral calories, kcal/d	819.7 ± 374.3	10	1132.4 ± 497.1	16
Administered REE	51%		64%
Calorie balance, kcal/d	− 3147.9 ± 1801.4	10	− 3135.5 ± 1693.3	15
Protein administered, g/kg/d	0.97 ± 0.52	10	1.2 ± 0.4	16
Phase angle, degree	5.9 ± 3.8	2	3.6 ± 1.4	6
Day 7
REE, kcal/d	1677.3 ± 563.8	7	1728.9 ± 317.6	11
Total enteral calories, kcal/d	952.6 ± 339.8	7	1457.4 ± 501.7	11
Administered REE	57%		84%
Calorie balance, kcal/d	− 3943.4 ± 2667	7	− 3382.9 ± 2271.7	11
Protein administered, g/kg/d	1.2 ± 0.39	7	1.4 ± 0.58	12
Phase angle, degree	3.4 ± 1.5	6	5.1 ± 3.9	9

*Patients with available data. Mean ± SD for all values. Administered REE represents percent of resting energy requirements met by EN. Calorie balance represents all intake including intravenous dextrose preparations. REE, resting energy expenditure

ISSN: 1364-8535