Volume Assessment in Mechanically Ventilated Critical Care Patients Using Bioimpedance Vectorial Analysis, Brain Natriuretic Peptide, and Central Venous Pressure

Table 1

Baseline characteristics (𝑁=34).

Clinical variable	Mean	Standard error
Age (years)	59.2	3.6
SOFA^a score day 1	7.1	0.4
CVP (cm H2O)	10.4	0.6
Resistance by height (ohm/m)	262.3	14.4
BNP (pg/mL)	451.1	119.3
Hematocrit	0.32	0.01
Creatinine (mg/dL)	1.36	0.22
Systolic BP (mmHg)	132.8	4.5
Diastolic BP (mmHg)	58.1	2.0
Heart Rate (beats per minute)	82.3	3.5
Mean Arterial Pressure (mmHg)	89.9	2.8
PEEP (mmHg)	9.3	0.5
Mean Airway Pressure (mmHg)	14.4	0.6
P/F ratio	288.4	18.8
Oxygenation index	5.8	0.5

^aSequential Organ Failure Assessment score