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Table 3 Comparison of duration of dialysis and hospital stay before and after propensity score matching

From: Early initiation of continuous renal replacement therapy improves survival of elderly patients with acute kidney injury: a multicenter prospective cohort study

 

Before propensity score matching

After propensity score matching

 

All patients

Survivors

All patients

Survivors

Characteristic

Early CRRT (N = 303)

Late CRRT (N = 304)

P value

Early CRRT (N = 75)

Late CRRT (N = 41)

P value

Early CRRT (N = 241)

Late CRRT (N = 241)

P value

Early CRRT (N = 59)

Late CRRT (N = 40)

P value

Duration of CRRT (days)

3.0 (0.9–6.1)

2.4 (1.0–5.2)

0.10

3.2 (2.1–6.3)

3.8 (2.4–6.9)

0.16

3.0 (0.9–6.6)

2.4 (0.8–5.1)

0.12

3.5 (2.5–6.8)

3.9 (2.4–6.9)

0.47

Duration of total RRT (days)

3.6 (1.1–10.7)

3.1 (1.1–9.6)

0.02

5.9 (2.3–12.9)

6.7 (3.7–27.4)

0.08

3.4 (1.0–10.2)

2.9 (1.0–9.4)

0.16

5.9 (3.0–11.3)

6.7 (4.2–27.4)

0.08

Duration of ICU stay from CRRT initiation (days)

6.2 (1.8–11.4)

4.1 (1.4–9.3)

<0.01

9.0 (4.8–19.8)

9.0 (5.0–19.9)

0.72

6.2 (1.7–11.0)

3.9 (1.3–9.1)

0.02

9.3 (4.9–18.5)

9.4 (5.5–19.9)

0.99

Total duration of hospitalization from CRRT initiation (days)

16.5 (3.8–37.5)

6.1 (1.4–29.6)

<0.01

25.7 (16.5–38.6)

38.8 (27.2–79.3)

<0.01

15.5 (3.4–36.6)

6.1 (1.3–36.7)

0.08

26.7 (16.1–38.2)

39.1 (27.7–79.3)

0.04

  1. The data are presented as the median (25-75th percentiles). CRRT continuous renal replacement therapy, RRT renal replacement therapy, ICU intensive care unit