Table 3 Parameters at the initiation of CRRT by survivor group

CRRT initiation after ICU admission (days)

1.23 (0.60–2.79)

1.05 (0.51–2.17)

0.44

Dialysis dose (ml/kg/h)

33.9 (29.3–36.0)

34.7 (32.7–37.5)

0.06

Creatinine (μmol/l)

267 (179–367)

213 (148–278)

0.005

Urea (mmol/l)

15.9 (9.8–22.7)

12.6 (8.7–20.3)

0.14

Potassium (mmol/l)

4.2 ± 0.6

4.4 ± 0.8

0.02

pH (U)

7.34 ± 0.08

7.24 ± 0.13

< 0.001

Bicarbonate (mmol/l)

20.7 (18.5–22.0)

16.6 (14.2–21.0)

< 0.001

Lactate (mmol/l)

1.44 (1.10–2.37)

4.50 (1.88–9.33)

< 0.001

Fluid balance (ml)

3115 (1075–5689)

3343 (1328–5981)

0.60

Diuresis (ml/kg/h)

0.20 (0.07–0.64)

0.10 (0.04–0.33)

0.03

Norepinephrine requirement (μg/kg/min)

0.095 (0.03–0.20)

0.22 (0.11–0.36)

< 0.001

Mean arterial pressure (mmHg)

70 (65–80)

68 (63–75)

0.07

PaO2/FiO2 (kPa)

27 (19–37)

22 (15–31)

0.01