Table 1 Patient characteristics

Age, years

57(25)

61(25)

0.04

Gender male, n (%)

243(56)

38(77)

0.004

BMI (kg/m²)

24.6(4.8)

25.1(4.4)

0.67

APACHE II

16(9)

23(11)

<0.001

SOFA

4(4)

9(6)

<0.001

Admission diagnosis, n (%)

  Medical

100(23)

18(36)

0.11

  Surgical

215(49)

20(40)

  Neurological

117(27)

11(22)

Renal characteristics

Baseline SCr (mg/dl)

0.74(0.3)

0.85(0.3)

0.002

UP (ml/kg/h)

1.1(0.8)

0.9(0.9)

0.32

FB (l)

1.9(3.0)

4.3(4.4)

<0.001

AKIN-stages, n (%)

  AKIN-1

34

  AKIN-2

11

  AKIN-3

4

Patients with CVVH, n (%)

3(6)

Outcome

SCr at hospital discharge (mg/dl)

0.68(0.2)

0.77(0.6)

0.002

ICU days

3(5)

7(11)

<0.001

28-day mortality (%)

53(12)

15(30)

0.002

Hospital mortality (%)

59(13)

17(34)

0.001