Table 3.

Cox regression analysis for mortality due to AKI at 30 days of hospitalization

Variable	Walds test	Crude HR (95% CI)	p-value	Adjusted HR (95% CI)	p-value
Hypertension	0.010	1.034 (0.541–1.976)	0.920	–	–
Cardiovascular disease	0.690	1.421(0.620–3.257)	0.406	–	–
Malignancy	0.530	0.655 (0.210–2.046)	0.467	–	–
Septicemia	13.52	2.948 (1.657–5.244)	0.0001	3.342 (2.035–5.489)	0.0001
Infections	0.229	1.191(0.583–2.432)	0.632	–	–
Liver diseases	9.958	4.065 (1.701–9.712)	0.002	3.471 (1.651–7.300)	0.001
Poisoning	28.21	9.784 (4.22–22.70)	0.0001	9.130 (4.44–18.763)	0.0001
Neurological disease	3.888	1.971 (1.004–3.869)	0.049	2.126 (1.267–3.566)	0.004
Age-groups	6.163		0.046	–	–
30–60 years	2.503	2.672 (0.791–9.026)	0.114	–	–
>60 years	4.978	4.000 (1.18–13.51)	0.026	–	–
AKI stages	4.443		0.108	–	–
AKI stage II	0.880	0.560 (0.167–1.879)	0.348	–	–
AKI stage III	0.479	1.385 (0.551–3.480)	0.489	–	–

CI, confidence interval