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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.