Validation of carbon dioxide production (VCO2) as a tool to calculate resting energy expenditure (REE) in mechanically ventilated critically ill patients: a retrospective observational study

Table 1 Patient characteristics

N = 80	Mean	Standard deviation
Sex	53% male, 47% female	–
Age, years	55.6	22.5
SOFA score	6.6	3.5
APACHE II score	22.5	7.0
Weight, kg	82.4	21.7
Height, m	1.70	0.10
Body mass index, kg/m²	28.7	8.7
Enteral energy delivered, kcal/d	1278	654
Parenteral energy delivered, kcal/d	333	439

Abbreviations: APACHE Acute Physiology and Chronic Health Evaluation; SOFA Sequential Organ Failure Assessment

ISSN: 1364-8535