Table 1 Characteristics of patients according to treatment with renal replacement therapy (RRT)

Age - median (IQR) (yr)

63 (52 to 72)

62 (50 to 73)

0.173

Male gender - no./total no. (%)

1,143/1,685 (67.8%)

14,641/23,200 (63.1%)

< 0.001

SAPS II score - median (IQR)

48 (37 to 62)

33 (23 to 46)

< 0.001

SOFA (1.d) score - median (IQR)

10 (7 to 13)

6 (3 to 8)

< 0.001

Mean daily TISS score - median (IQR)

36.4 (29.7 to 43.2)

28.7 (22.4 to 35.0)

< 0.001

Emergency admission - no./total no. (%)

1,558/1,684 (92.5%)

19,122/23,202 (82.4%)

< 0.001

Surgical admission- no./total no. (%)

410/1,685 (24.3%)

9,426/23,208 (40.6%)

< 0.001

Sepsis/severe sepsis - no./total no.(%)

510/1,681 (30.3%)

3,753/23,101 (16.2%)

< 0.001

Mechanical ventilation - no./total no. (%)

1,014/1,642 (61.8%)

11,116/22,409 (49.6%)

< 0.001

Vasoactives-no./total no. (%)

1,067/1,671 (63.9%)

9,556/23,175 (41.2%)

< 0.001

Creatinine - median (IQR) (micromol/L)

210 (119 to 352)*

72 (56 to 101)†

< 0.001

Urine output - median (IQR) (mL/d)

829 (232 to 1,947)

2,355 (1,555 to 3,390)

< 0.001