Table 1 Patients' demographic data, patients' clinical characteristics, and reason for intensive care unit admission

Sex (female/male)

14/16

Age, years

66 (27 - 83)

Height, cm

170 (150 - 180)

Weight, kg

68 (44 - 112)

Patients' clinical characteristics on the day of enrollment in the study

Simplified Acute Physiology Score (SAPS-II)

50 (22 - 63)

Therapeutic Intervention Scoring System (TISS-score)

22 (10 - 35)

Serum creatinine, mg/dL

1.8 (0.5 - 4.6)

Blood urea nitrogen, mg/dL

52 (8 - 106)

Serum bilirubin, mg/dL

2.7 (0.3 - 23.2)

Aspartate aminotransferase, U/L

122 (11 - 4977)

Leukocyte count, G/L

16.2 (0.1 - 50.0)

C-reactive proteine, mg/dL

7.9 (0.1 - 45.7)

Hematocrit level, %

29 (23 - 47)

Hemoglobin, g/dL

9.9 (7.3 - 16.0)

Heart rate, beats per minute

94 (57 - 144)

Need for catecholamine therapy, n (%)

23 (77%)

Norepinephrine dose, μg/kg/min

0.16 (0 - 1.89)

Need for mechanical ventilation, n (%)

25 (83%)

Positive end-expiratory pressure, cmH₂O

8 (4 - 16)

Peak pressure, cmH₂O

24 (13 - 31)

Mean airway pressure, cmH₂O

14 (7 - 21)

Fraction of inspired oxygen

0.5 (0.3 - 1.0)

Tidal volume, mL

500 (300 - 842)

pH

7.33 (7.18 - 7.60)

Arterial partial pressure of carbon dioxide, mmHg

37.0 (21.0 - 64.5)

Arterial partial pressure of oxygen, mmHg

89.1 (58.0 - 160.0)

Bicarbonate, mEq/L

20.9 (11.4 - 36.4)

Base excess, mEq/L

-3.9 (-14.1 - 11.7)

Reason for ICU admission

Sepsis with multiple organ dysfunction syndrome, n (%)

9 (30%)

Pneumonia and acute respiratory insufficiency, n (%)

8 (27%)

Cirrhosis of the liver, n (%)

4 (13%)

Pancreatitis, n (%)

3 (10%)

Cardiac arrest with need for cardiopulmonary resuscitation, n (%)

2 (7%)

Gastrointestinal bleeding, n (%)

2 (7%)

Renal failure, n (%)

1 (3%)

Pulmonary embolism, n (%)

1 (3%)

Outcome

Intensive care unit mortality, n (%)

17 (57%)