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Table 2 Outcomes of early versus late RRT in patients with AKI after cardiac surgery

From: Early versus late initiation of renal replacement therapy impacts mortality in patients with acute kidney injury post cardiac surgery: a meta-analysis

Study ICU LOS (days) Hospital LOS (days) Duration of RRT (days) Mechanical ventilation time (days)
Early Late Early Late Early Late Early Late
Bouman [23] 13 ± 1.0 13.5 ± 1.5 27.0 35.5 3.9 2.9 1.0 12.0
Combes [17] NR NR NR NR NR NR NR NR
Crescenzi [18] 2.6 ± 5.5 2.2 ± 3.4 8.6 ± 7.7 8.2 ± 5.5 NR NR NR NR
Demirkilic [24] 7.9 ± 1.3 12.4 ± 3.4 15.4 ± 4.0 20.9 ± 2.0 4.3 ± 1.5 4.6 ± 1.3 1.0 ± 0.6 3.0 ± 2.1
Durmaz [25] 1.6 ± 0.9 3.6 ± 2.9 8.9 ± 2.6 11.7 ± 4.8 NR NR NR NR
Elahi [26] 8.5 ± 2.1 12.5 ± 5.3 15.4 ± 4.8 20.9 ± 7.3 4.6 ± 2.0 4.6 ± 11.4 NR NR
Fernandez [27] 15.3 ± 15.4 27.9 ± 24.4 25.4 ± 28.6 38.2 ± 33.2 7.9 ± 10.7 12.5 ± 17.5 7.1 ± 9.8 10.7 ± 18.6
Helmut [28] NR NR NR NR NR NR NR NR
Iyem [29] 1.9 ± 1.0 3.7 ± 0.7 11.1 ± 4.6 17.1 ± 5.6 NR NR 0.8 ± 0.6 0.8 ± 0.5
Ji [30] 5.0 ± 2.0 8.0 ± 2.0 13.0 ± 4.0 18.0 ± 6.0 2.4 ± 0.8 4.1 ± 1.1 NR NR
Kleinknecht [31] NR NR NR NR NR NR NR NR
Manche [32] NR NR NR NR NR NR NR NR
Sugahara [33] NR NR NR NR NR NR NR NR
Szu-Yuan Li [19] 8.0 17.0 10.0 29.0 4.0 12.0 NR NR
Xiao-Mei Yang [20] 12.5 14.0 38.0 ± 48.5 31.5 ± 33.0 6.6 ± 6.4 7.6 ± 7.4 7.3 8.5
  1. Data are reported as mean ± standard deviation or median. Abbreviations: RRT renal replacement therapy, AKI acute kidney injury, ICU intensive care unit, LOS length of stay, NR not reported