Table 4 Regression analyses examining the association between severity of AKI and survival, in-hospital mortality, LOS, ITU utilisation, increase in care and readmission

1

No AKI

1

1

1

1

1

1

1

AKIN 1

4.85 (4.51, 5.21)

4.29 (3.68, 5.01)

2.36 (1.90, 2.93)

2.71 (2.17, 3.38)

1.93 (1.75, 2.13)

1.90 (1.84, 1.97)

1.38 (1.13, 1.68)

AKIN 2

12.0 (11.0, 13.1)

16.8 (13.5, 21.1)

4.72 (3.36, 6.61)

3.71 (2.56, 5.38)

2.25 (1.83, 2.76)

2.58 (2.43, 2.75)

1.54 (1.17, 2.01)

AKIN 3

15.6 (14.2, 17.1)

24.7 (18.8, 32.3)

23.8 (16.4, 34.6)

2.27 (1.36, 3.81)

2.09 (1.61, 2.72)

3.07 (2.85, 3.30)

2.25 (1.85, 2.73)

2

No AKI

1

1

1

1

1

1

1

AKIN 1

3.11 (2.89, 3.35)

2.98 (2.53, 3.52)

2.63 (2.11, 3.28)

1.61 (1.29, 2.01)

1.69 (1.53, 1.87)

1.68 (1.62, 1.74)

1.43 (1.17, 1.74)

AKIN 2

7.54 (6.89, 8.25)

13.5 (10.5, 17.5)

5.43 (3.88, 7.61)

2.07 (1.43, 2.97)

2.00 (1.63, 2.46)

2.22 (2.09, 2.36)

1.56 (1.20, 2.04)

AKIN 3

11.6 (10.6, 12.7)

25.2 (18.6, 34.5)

23.9 (16.6, 34.4)

1.56 (0.93, 2.60)

1.94 (1.49, 2.53)

2.72 (2.53, 2.92)

2.27 (1.88, 2.76)

3

No AKI

1

1

1

1

1

1

1

AKIN 1

1.89 (1.74, 2.04)

2.41 (1.99, 2.91)

2.76 (2.20, 3.46)

1.33 (1.06, 1.67)

1.42 (1.29, 1.57)

1.52 (1.47, 1.58)

1.39 (1.14, 1.69)

AKIN 2

3.81 (3.46, 4.18)

12.1 (8.84, 16.5)

6.03 (4.58, 8.51)

1.49 (1.02, 2.16)

1.50 (1.23, 1.83)

1.88 (1.77, 2.00)

1.42 (1.07, 1.87)

AKIN 3

5.49 (4.97, 6.06)

26.3 (17.8, 38.8)

22.4 (15.5, 32.2)

1.07 (0.64, 1.80)

1.54 (1.20, 1.99)

2.16 (2.01, 3.32)

2.18 (1.77, 2.68)