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Table 1 Patients baseline characteristics (N = 25)

From: Can endotracheal bioimpedance cardiography assess hemodynamic response to passive leg raising following cardiac surgery?

Age (yr) 64 ± 13
Sex (M/F) 17/8
Body mass index (kg/m2) 27.1 ± 6.0
EuroSCORE 3 [2-13]
Preoperative left ventricular ejection fraction (%) 68 ± 9
Hypertension 11 (44)
Peripheral vascular disease 7 (28)
Coronary artery disease 16 (64)
Diabetes mellitus 3 (12)
Type of surgery  
Coronary artery bypass grafting 9 (36)
Aortic valve replacement 8 (32)
Mitral valve repair 2 (8)
Combined cardiac surgery 6 (24)
Mechanical ventilation  
Inspired fraction of O2 (%) 51 ± 6
Tidal volume/ideal body weight (mL/kg) 9.0 ± 1.2
Respiratory rate (per min) 13 ± 2
Positive end-expiratory pressure (cmH2O) 4.6 ± 1.4
Inotropic or vasoactive requirement  
Dobutaminea 1 (4)
Norepinephrineb 7 (28)
Central core temperature (°C) 36.4 ± 0.7
  1. Values are mean ± SD or median [extremes] or number (%).
  2. a15 μg/kg/min; bfrom 0.02 to 0.23 μg/kg/min.