Table 2 Discharge alive and 28-day mortality cause-specific model according to renal recovery defined as a decrease of at least one kidney disease: improving global outcomes class compared to the previous day

Shock at admission

0.90 (0.84–0.97)

1.27 (1.12–1.43)

KDIGO Day 1

 1

ref

ref

 2–3

1.01 (0.95–1.08)

1.07 (0.95–1.20)

Nephrotoxic in the 5 previous days^a

0.79 (0.73–0.85)

0.93 (0.82–1.05)

Daily Cardiological SOFA^a

 0

ref

ref

 1

0.88 (0.81–0.95)

2.07 (1.68–2.56)

 2

0.78 (0.66–0.92)

2.19 (1.58–3.02)

 3

0.54 (0.49–0.60)

1.86 (1.50–2.30)

 4

0.49 (0.44–0.54)

3.09 (2.53–3.76)

Daily Liver SOFA^a

 0

ref

ref

 1

0.94 (0.84–1.05)

1.01 (0.83–1.22)

 2

0.77 (0.68–0.88)

1.08 (0.90–1.29)

 3

0.57 (0.44–0.75)

1.23 (0.93–1.63)

 4

0.70 (0.55–0.89)

1.55 (1.18–2.04)

Daily Respiratory SOFA^a

 0

ref

ref

 1

0.73 (0.67–0.81)

0.79 (0.65–0.97)

 2

0.67 (0.62–0.73)

0.84 (0.70–1.00)

 3

0.41 (0.36–0.46)

1.15 (0.96–1.37)

 4

0.36 (0.28–0.45)

1.78 (1.43–2.22)

Daily Coagulation SOFA^a

 0

ref

ref

 1

0.92 (0.84–1.01)

0.96 (0.80–1.13)

 2

0.95 (0.86–1.05)

1.05 (0.88–1.26)

 3

0.91 (0.79–1.05)

1.39 (1.13–1.70)

 4

0.79 (0.60–1.03)

1.95 (1.52–2.52)

Daily Neurological SOFA^a

 0

ref

ref

 1

0.68 (0.61–0.77)

1.39 (1.13–1.69)

 2

0.61 (0.54–0.69)

1.56 (1.28–1.89)

 3

0.48 (0.42–0.55)

1.99 (1.64–2.40)

 4

0.36 (0.30–0.43)

3.99 (3.39–4.70)

Renal recovery^a

1.85 (1.72–1.99)

0.54 (0.46–0.63)