Table 4.

Summary of crude and co-variate adjusted odds ratios for mortality for septic AKI admitted to ICU

Category	ICU mortality		Hospital mortality
	Crude OR (95% CI)	Adjusted OR (95% CI)a	Crude OR (95% CI)	Adjusted OR (95% CI)b
None	1.0	1.0	1.0	1.0
Sepsis	1.89 (1.77–2.03)	1.47 (1.36–1.60)	1.75 (1.65–1.84)	1.40 (1.31–1.49)
Nonseptic AKI	3.64 (3.45–3.84)	1.53 (1.44–1.63)	3.36 (3.22–3.50)	1.43 (1.36–1.50)
Septic AKI	5.81 (5.48–6.17)	1.69 (1.57–1.82)	5.12 (4.89–5.38)	1.54 (1.45–1.64)

^aArea under the receiver operator characteristic (AuROC) 0.86, goodness-of-fit P = 1.0. ^bAuROC 0.84, goodness-of-fit P = 1.0. AKI, acute kidney injury; CI, confidence interval; ICU, intensive care unit; OR, odds ratio; RIFLE, risk of renal failure, injury to the kidney, failure of kidney function, loss of kidney function and end-stage kidney disease