Skip to main content

Table 2 Baseline characteristics of the patients (n = 40)

From: Use of esophageal balloon pressure-volume curve analysis to determine esophageal wall elastance and calibrate raw esophageal pressure: a bench experiment and clinical study

Characteristic

Value

Age, years

43 (26–55)

Male, n (%)

27 (67.5)

Body mass index, kg/m2

24 (23–26)

APACHE II score

13 (12–15)

PaO2/FiO2

338 (210–373)

Tidal volume/PBW, ml/kg

6.8 (6.1–7.2)

PEEP, cmH2O

9 (6–11)

Pplat, cmH2O

20.1 (18.3–22.4)

Pdriv, cmH2O

11.6 (9.7–12.4)

ERS, cmH2O/L

22.2 (17.5–25.2)

Reasons for delay extubation and MV, n (%)

 

Large brain stem tumor resection

15 (37.5)

Severe traumatic brain injury

5 (12.5)

Long duration of operation in orthopedic surgery

15 (37.5)

Major bleeding in vascular surgery

5 (12.5)

Presence of hypoxemia, n (%)

 

ARDS

4 (10.0)

AHRF

9 (22.5)

  1. AHRF acute hypoxemic respiratory failure, APACHE Acute Physiology and Chronic Health Evaluation, ARDS acute respiratory distress syndrome, E RS elastance of respiratory system, MV mechanical ventilation, PaO 2 /FiO 2 ratio of partial pressure of arterial oxygen to fraction of inspired oxygen, PBW predicted body weight, PEEP positive end-expiratory pressure, P plat airway plateau pressure, P driv airway driving pressure
  2. Continuous data are shown as median (interquartile range)