Table 4 In-hospital mortality in subgroup analyses

Development of AKI

with CKD

3.6% (0.0%–0.7%)

8.8% (0.0%–0.8%)

0.99

0.16–6.15

without CKD

1.1% (0.9%–1.3%)

0.5% (0.4%–0.6%)

2.13

1.58–2.86

Severe injury (ISS ≥ 25)

1.7% (1.4%–2.0%)

0.8% (0.6%–1.0%)

2.01

1.44–2.80

Mild/moderate injury (ISS < 25)

0.5% (0.3%–0.7%)

0.2% (0.1%–0.3%)

2.23

1.21–4.12

Treated with vasopressors

4.4% (3.2%–5.6%)

2.0% (1.2%–2.8%)

2.18

1.33–3.56

Treated without vasopressors

0.8% (0.6%–1.0%)

0.4% (0.3%–0.5%)

2.08

1.44–2.99

Older (age ≥ 65 years)

1.2% (0.9%–1.5%)

1.3% (0.8%–1.8%)

0.91

0.57–1.46

Younger (age < 65 years)

1.0% (0.8%–1.2%)

0.4% (0.3%–0.5%)

2.64

1.82–3.84

Early period (2004–2009)

1.7% (1.1%–2.3%)

0.4% (0.2%–0.6%)

4.25

2.46–7.32

Late period (2010–2018)

1.0% (0.8%–1.2%)

0.6% (0.4%–0.8%)

1.61

1.14–2.28