Table 1 Patient characteristics
From: Can calculation of energy expenditure based on CO2 measurements replace indirect calorimetry?
Patients | n (%) | 278 | (100.0) |
Male | 191 | (68.7) | |
Female | 87 | (31.3) | |
Age, years | 56 | (18) | |
Height, cm | 172 | (9) | |
Anamnestic body weight, kg | 76 | (18) | |
Body mass index, kg/m2 | 25.9 | (5.9) | |
Admission diagnosis | n (%) | ||
Shock | 60 | (21.6) | |
Multiple trauma | 52 | (18.7) | |
Neurologic | 31 | (11.2) | |
Respiratory failure | 22 | (7.9) | |
Cardiac surgery | 20 | (7.2) | |
Pneumonia | 18 | (6.5) | |
Acute pancreatitis | 11 | (4.0) | |
Myocardial infarction | 10 | (3.6) | |
Post-cardiac arrest | 8 | (2.9) | |
Liver failure | 8 | (2.9) | |
Others | 38 | (13.7) | |
APACHE II score | 24 | (7) | |
SAPS II | 51 | (17) | |
Length of ICU stay, days | median (IQR) | 21 | (12–37) |
ICU day of evaluation, days | median (IQR) | 8 | (4–18) |
Glasgow Coma Scale | median (IQR) | 10 | (8–14) |
Sedation-Agitation Scale | median (IQR) | 4 | (3–4) |
Body temperature, °C | 37.3 | (0.6) | |
FiO2, % | 30 | (7) | |
Minute volume, L/min BTPS | 12 | (3) | |
VO2, mL/min STPD | 279 | (61) | |
VCO2, mL/min STPD | 234 | (53) | |
Respiratory quotient | 0.84 | (0.09) | |
Energy expenditure, kcal/day | 1956 | (426) | |
Energy provision, kcal/day | 1658 | (696) | |
Energy provision rate, % | 86 | (35) | |
Nutrition route | n (%) | ||
Enteral nutrition (EN) | 196 | (70.5) | |
Parenteral nutrition (PN) | 24 | (8.6) | |
EN + PN | 55 | (19.8) | |
Non-nutrition energy sources | 3 | (1.1) | |
Food quotient | 0.87 | (0.01) |