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Table 2 Baseline characteristics of euvolemic and hypovolemic patients

From: Internal jugular vein collapsibility index associated with hypovolemia in the intensive care unit patients

Variables Hypovolemic (n = 16) Euvolemic (n = 15) p Value
Age (years) 62.6 (±19) 59.1 (±12.9) 0.406
Weight (kg) 77.7 (±17.5) 82.1 (±21.8) 0.707
Sex (male) 50% 53% 0.853
Race (white) 75% 60% 0.916
Temp (oC) 37.3 (±0.8) 36.8 (±0.3) 0.274
Heart rate (beats/min) 99 (±19) 84 (12) 0.03*
Resp rate (breaths/min) 23 (±7) 17 (±4) 0.019*
SBP (mmHg) 110 (±23) 133 (±23) 0.011*
DBP (mmHg) 61 (±15) 65 (±11) 0.268
MAP (mmHg) 77 (16) 88 (±13) 0.044*
Mechanical ventilation with PEEP 31% 7% 0.172
Vasopressor support 13% 13% 0.945
CVP (mmHg) 6 (±4.0) 13.1(±5.3) 0.001*
IJV collapsibility index 59.5% 23% 0.001*
  1. Patient characteristics of demographics and hemodynamic variables upon enrollment
  2. Proportions are presented as percentages (number of patients)
  3. Values are mean ± SD or proportions presented as percentages
  4. Non parametric Mann–Whitney test for continuous variables and Chi-squared test for binary variables
  5. SBP systolic blood pressure, DBP diastolic blood pressure, MAP mean arterial pressure, PEEP positive end-expiratory pressure, CVP central venous pressure, IJV internal jugular vein
  6. *p < 0.05 compared to Euvolemic Group