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Table 1 Baseline characteristics of the patients (n = 18)

From: Acute hyperventilation increases the central venous-to-arterial PCO2 difference in stable septic shock patients

Age (mean ± SD, years) 60 ± 10
Gender (men/women) 8/10
Body mass index [median (IQR), kg/m2] 26.5 [25.6–29.7]
SAPS II 54 ± 21
Admission SOFA score (mean ± SD) 11 ± 3
ICU mortality [n (%)] 7 (39)
FiO2 (mean ± SD, %) 50 ± 20
Hemoglobin [median (IQR), g/dL] 9.7 [9.0–10.2]
Norepinephrine [n (%)] 18 (100)
Norepinephrine [median (IQR), µg/kg/min) 0.26 [0.15–0.40]
Infection source [n (%)]  
Pneumonia 11 (61)
Peritonitis 4 (22)
Urinary tract infection 2 (11)
Catheter/bloodstream 1 (6)
Mechanical ventilation [n (%)] 18 (100)
  1. SAPS, simplified acute physiologic score; SOFA, sequential organ failure assessment; ICU, intensive care unit; FiO2, fractional inspired oxygen level; IQR, interquartile range; SD, standard deviation