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Table 1 Clinical characteristics of the study population as a whole, group (dIVC <18%) and group (dIVC >18%)

From: The gray zone of the qualitative assessment of respiratory changes in inferior vena cava diameter in ICU patients

  All patients (n= 97) dIVC < 18% (n= 71) dIVC ≥ 18% (n= 26) P value
Age (years) 67 ± 13 67 ± 13 68 ± 11 0.57
Weight (kg) 74 ± 15 75 ± 15 71 ± 14 0.16
Height (m) 1.69 ± 0.09 1.70 ± 0.08 1.67 ± 0.09 0.1
BMI (kg/m2) 25.6 ± 3.8 25.8 ± 3.8 25.2 ± 3.7 0.45
SAPS II 40 ± 13 40 ± 12 42 ± 15 0.55
  1. dIVC inferior vena cava distensibility index, BMI, body mass index; SAPS II, Simplified Acute Physiology Score.