Table 3 Outcomes of included participants according to Acute Kidney Injury stage

Length of Stay, days

15

[11–23]

19.1

[13–31]

19

[13–31]

20

[12.3 to 32.5]

20

[12–32]

<0.001

Part stay in critical care

40

(1.8)

41

(6.0)

16

(3.3)

11

(8.1)

14

(21.9)

<0.001

Proportion admitted multiple times, all 4 yrs.

1378

(63.6)

401

(58.7)

301

(62.3)

71

(52.2)

29

(45.3)

0.020

In patient deaths

134

(6.2)

169

(24.7)

100

(20.7)

39

(28.7)

30

(46.9)

<0.001

30-day mortality

139

(6.4)

131

(19.2)

79

(16.4)

27

(19.9)

25

(39.1)

<0.001

1 year mortality

534

(24.7)

305

(44.7)

203

(42.0)

61

(44.9)

41

(64.1)

<0.001