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Table 3 In-hospital outcomes in patients with acute worsening of renal function

From: Acute and acute-on-chronic kidney injury of patients with decompensated heart failure: impact on outcomes

 

Index eGFR

≥60 ml/min/1.73 m2

30 ~ 59 ml/min/1.73 m2

No AWRF (n = 444)

AKI group

No AWRF (n = 116)

ACKI group

All (n = 294)

Risk (n = 204)

Injury (n = 63)

Failure (n = 27)

P c

All (n = 151)

Risk (n = 78)

Injury (n = 64)

Failure (n = 9)

P c

In-hospital mortality

            

All cause mortality, no. (%)

23(5.2)

49(16.7) a

15(7.4)

16(25.4)

18(66.7)

<0.001

11(9.5)

37(24.5) a, b

11(14.1)

21(32.8)

5(55.6)

0.003

Cardiovascular mortality, no. (%)

17(3.8)

35(11.9) a

12(5.9)

11(17.5)

12(44.4)

<0.001

8(6.9)

35(23.2) a, b

11(14.1)

19 (29.7)

5 (55.6)

0.005

Outcomes of survivors

            

Length of stay in CCU, days

3(2 ~ 4)

3(2 ~ 4) a

3(2 ~ 4)

3(2 ~ 4)

4(3 ~ 9)

0.001

4(2 ~ 4)

5(4 ~ 6) a,b

4(4 ~ 5)

5(4 ~ 6)

7(4 ~ 7)

0.027

Length of stay in hospital, days

8(6 ~ 14)

14(9 ~ 18) a

12(8 ~ 17)

17(12 ~ 27)

20(15 ~ 33)

<0.001

8(6 ~ 13)

15(11 ~ 22) a, b

14(8 ~ 18)

18(14 ~ 23)

20(9 ~ 32)

0.001

  1. a P < 0.05 vs. patients without AWRF; b P < 0.05 vs. patients with AKI; c P for comparison among RIFLE category.
  2. Abbreviation: ACKI, acute-on-chronic kidney injury; AKI, acute kidney injury; AWRF, acute worsening of renal function; CCU, coronary care unit; eGFR, estimated glomerular filtration rate.