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Table 7 ICU length of stay and ventilation days by RRT dose

From: Delivered dose of renal replacement therapy and mortality in critically ill patients with acute kidney injury

 

Total

CRRT

  

< 35 ml/kg/hour

≥ 35 ml/kg/hour

P

Length of ICU stay (days)

13 (6.5 to 26)

15 (9 to 28)

8 (4 to 18)

< 0.001

   Patients who survived

19 (11 to 32)

19.5 (12 to 33.5)

15 (8 to 26)

0.063

   Patients who died

10 (4 to 19)

12 (6 to 20)

4.5 (3 to 9.5)

< 0.001

Duration of MV (days)

10 (4 to 19)

12 (5 to 21)

5 (2.5 to 13)

< 0.001

   Patients who survived

14 (4.5 to 22)

14 (5 to 24)

7 (4 to 17)

0.031

   Patients who died

8.5 (3 to 17)

10 (5 to 18)

4 (2 to 9.5)

< 0.001

  

IRRT

 

Total

Frequency < 6 sessions/week

Frequency ≥ 6 sessions/week

P

Length of ICU stay (days)

14 (6.5 to 23)

18 (15 to 31)

9.5 (6 to 18)

0.023

   Patients who survived

11 (6 to 20)

18 (13 to 35)

8 (5.5 to 14)

0.008

   Patients who died

17 (12 to 23)

18 (17 to 23)

15 (12 to 22)

0.597

Duration of MV (days)

8 (1 to 17)

14 (5 to 21)

6 (0 to 14)

0.030

   Patients who survived

5 (0 to 13)

12 (3 to 24)

2.5 (0 to 10)

0.026

   Patients who died

17 (11 to 21)

18 (17 to 21)

14 (8 to 18)

0.252

  1. Data shown as median (interquartile range).
  2. CRRT = continuous renal replacement therapy; ICU = intensive care unit; IRRT = intermittent renal replacement therapy; MV = mechanical ventilation.