Table 4.

Cox regression analysis of baseline continuous parameters 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
Urine output	0.690	0.440 (0.06–3.05)	0.406	–
eGFR	0.541	1.003 (0.99–1.01)	0.462	–
SOFA score	6.542	1.097 (1.02–1.17)	0.011	1.107 (1.04–1.17)	0.001
Hb	7.371	0.883 (0.81–0.96)	0.007	0.879 (0.81–0.96)	0.003
TLC	1.918	1.00 (1.0–1.0)	0.166	–
Iron	9.630	0.983 (0.97–0.99)	0.002	0.982 (0.97–0.99)	0.001
Vitamin D3	1.734	0.991 (0.97–1.01)	0.188	–

CI, confidence interval; Hb, hemoglobin; eGFR, estimated glomerular filtration; TLC, total leucocyte count; SOFA, sequential organ failure assessment score