Table 3.

Risk factors associated with all-cause in-hospital death

Factors	Univariate analysis			Multivariate analysis
	OR	95% CI	p value	OR	95% CI	p value
Age (per 10-year increase)	1.39	1.20–1.60	<0.001	1.35	1.13–1.61	0.001
AKI stage
AKI stage 1	1a			1a
AKI stage 2	4.24	2.81–7.67	<0.001	3.81	2.16–6.71	<0.001
AKI stage 3	5.30	3.01–9.36	<0.001	3.64	1.90–6.96	<0.001
Severe diseases (yes vs. no)	9.05	5.34–15.33	<0.001	5.50	3.02–10.03	<0.001
Hypoalbuminemia (yes vs. no)	3.21	2.07–4.97	<0.001	1.99	1.19–3.32	0.009
Plasma substitutes (yes vs. no)	2.84	1.43–5.63	0.003	2.72	1.16–6.37	0.02
Carbopenems (yes vs. no)	2.78	1.60–4.84	<0.001	2.61	1.35–5.04	0.004
Cardiovascular diseases	1.58	1.03–2.44	0.04	0.83	0.49–1.43	0.51
Glycopeptide (yes vs. no)	2.63	1.55–4.49	<0.001	1.60	0.85–2.99	0.14
GDP per head
High	1a			1a
Medium	0.53	0.32–0.87	0.01	0.93	0.51–1.72	0.82
Low	0.52	0.30–0.88	0.02	0.77	0.41–1.48	0.44

All variables listed in the table were included in the multivariate logistic regression model. AKI, acute kidney injury; GDP, gross domestic product; OR, odds ratio; CI, confidence interval.

^aReference value.