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Table 1 Baseline characteristics of study patients (n = 200).

From: The effects of the semirecumbent position on hemodynamic status in patients on invasive mechanical ventilation: prospective randomized multivariable analysis

  n(%)
Admission diagnosis  
   Postoperative cancer surgery 52 (26.0)
   Trauma (excluding TBI) 29 (14.5)
   Cardiovascular/cardiogenic shock 29 (14.5)
   Infection/sepsis 27 (13.5)
   Acute respiratory failure 10 (5.0)
   Chronic respiratory failure 2 (1.0)
   Transplantation 20 (10.0)
   CPR (reanimation) 1 (0.5)
   Gastrointestinal 11 (5.5)
   Liver failure 5 (2.5)
   Intoxication 1 (0.5)
   Shock/hemorrhage 4 (2.0)
   Neurological/stroke 5 (2.5)
   Others 4 (2.0)
Sex  
   Male 131 (65.5)
   Female 69 (34.5)
Ventilator mode  
   Spontaneous PSV 74 (37)
   Controlled PCV 126 (63)
  Mean (SD)
Age (years) 60.0 (15.9)
BMI (kg/m2) 27.3 (5.9)
SAPS II 39.0 (11.8)
Average backrest elevation (°) 25.6 (6.3)
Peak pressure (cm H2O) 20.0 (4.6)
Fluid balance last 24 h (mL) 620 (1102)
Albumin (g/L) 22.5 (6.2)
Hb (g/dl) 9.5 (1.9)
  Median (IQR)
Ventilator hours (h) 24 (55)
Tidal volume Vt (mL) 495 (141)
PEEP (cm H2O) 6 (4)
Norepinephrine (μg/kg/min) 0.07 (0.12)
Propofol (mg/kg/min) 0.02 (0.03)
Sufentanil (μg/kg/min) 0.01 (0.01)
CRP (mg/L) 92.9 (145.8)
  1. BMI, body mass index; CPR, cardiopulmonary resuscitation; CRP, C-reactive protein; Hb, hemoglobin; Pmin, max, minimum and maximum; PCV, pressure-controlled ventilation; PEEP, positive end-expiratory pressure; PSV, pressure support ventilation; SAPS II, Simplified Acute Physiology Score; TBI, traumatic brain injury.