Table 3 Multivariate logistic regression analysis of factors independently associated with 30-day mortality, whole cohort (n = 1372)

Odds ratio

95% CI

p-value

Preceding LOMT

3.84

2.38–6.20

< 0.001

Positive RRT criteria measured by RRT

2.24

1.58–3.16

< 0.001

CCI

1.18

1.11–1.26

< 0.001

Age > 75 years

1.75

1.33–2.30

< 0.001

Non-elective hospital admission

1.99

1.40–2.83

< 0.001

Preceding ICU admission

0.64

0.44–0.95

0.025

Medical patient

1.37

1.04–1.80

0.026

Afferent limb failure

1.31

1.00–1.71

0.049

Surgery within 24 h

0.74

0.48–1.15

0.180

Sex (male)

1.16

0.88–1.52

0.278