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Table 1 Main characteristics of patients

From: Impact of norepinephrine on the relationship between pleth variability index and pulse pressure variations in ICU adult patients

Characteristics n= 64
Age (years) 45 ± 19
Height (cm) 171 ± 9
Weight (kg) 73 ± 13
Body mass index (kg/m2) 25 ± 4
Gender, F/M (n) 22/42
SAPS II 35 ± 14
Aetiologies of ICU admission:  
   - Polytraumatism 26
   - Brain injury 21
- Postoperative:  
- Orthopaedic 7
- Abdominal 10
Temperature (°C) 37.0 ± 0.4
Norepinephrine (μg/kg/min) 0.20 ± 0.27
Pulsatility index 2.7 ± 2.6
Inspiratory O2 fraction (%) 40 ± 11
Tidal volume (ml/kg) 8.6 ± 0.7
Respiratory rate (/min) 15 ± 2
Positive end expiratory pressure (cmH2O) 4 ± 2
Heart rate/respiratory rate (ratio) 5.4 ± 1.3
  1. Data are expressed as number or mean ± SD.
  2. F, female; M, male; SAPS, Simplified Acute Physiology Score; SD, standard deviation.