The occlusion tests and end-expiratory esophageal pressure: measurements and comparison in controlled and assisted ventilation

Annals of Intensive Care

Table 1 Main characteristics of the study population at enrollment

Patient’s characteristics	Overall population, n 21
Age, years	64.8 ± 14.0
Sex, n° male (%)	13 (62)
Height, cm	170 ± 12
Weight, kg	70.6 ± 14.9
BMI, kg/m²	24.2 ± 4.3
PEEP, cmH₂O	6.6 ± 2.2
Airway plateau pressure, cmH₂O	17.2 ± 4.9
PaO₂/FiO₂	319.4 ± 117.3
FiO₂	0.4 ± 0.1
PaCO₂ mmHg	40.7 ± 6.2
Elastance_RS, cmH₂O/L	19.0 ± 6.5
SAPS II	36.2 ± 15.3
Diagnosis, n° (%)
Abdominal surgery	7 (34)
Urologic surgery	4 (19)
Vascular surgery	3 (14)
Postanoxic coma	3 (14)
Other	4 (19)

Data are presented as mean ± standard deviation unless indicated otherwise
BMI body mass index, PEEP positive end-expiratory pressure, PaO ₂ arterial partial pressure of oxygen, PaCO ₂ arterial partial pressure of carbon dioxide, PaO ₂ /FiO ₂ the ratio of arterial oxygen partial pressure to fractional inspired oxygen, FiO ₂ fractional inspired oxygen, SAPS Simplified Acute Physiology Score, Elastance _RS elastance of respiratory system, n° number