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Table 1 Characteristics of patients included in the study (n = 94)

From: Doppler resistive index to reflect regulation of renal vascular tone during sepsis and acute kidney injury

Variables  
Male gender, mean (standard deviation) 59 (63)
Age in years, median (interquartile range) 62 (17)
Body mass index in kg/m2, median (interquartile range) 25 (22-28)
SAPS II at inclusion, median (interquartile range) 43 (33-59)
SOFA score at inclusion, median (interquartile range) 7 (3-9)
Mechanical ventilation, number (percentage) 60 (64)
ICU length of stay in days, mean (standard deviation) 14 (13)
Patients receiving norepinephrine, number (percentage) 47 (50)
Norepinephrine dose in μg/kg per minute, mean (standard deviation) 0.37 (0.34)
Cardiovascular risk factors, number (percentage)  
   Tobacco 35 (37)
   Hypertension 47 (50)
   Diabetes 12 (13)
   Elevated cholesterol 21 (22)
   Obesity and physical inactivity 9 (10)
Origin of sepsis, number (percentage)  
   Abdominal 55 (59)
   Pulmonary 26 (28)
   Mediastinitis 6 (6)
   Catheter 2 (2)
   Other 5 (5)
Diuretic use, number (percentage) 20 (21)
Acute kidney injury, number (percentage) 52 (55)
   Transient 24 (25)
   Persistent 28 (30)
Renal replacement therapy, number (percentage) 20 (21)
28-day all-cause mortality, number (percentage) 18 (20)
  1. ICU, intensive care unit; SAPS II, Simplified Acute Physiology Score II; SOFA, Sepsis-related Organ Failure Assessment.