Table 2

Risk factors of mortality in patients with severe AKI

Variable	β coefficient	OR	95 % CI for OR	P value
(Intercept)	−2.72	0.07	0.05 to 0.08	<0.0001
Male vs. female	0.17	1.19	1.04 to 1.35	0.0082
White (no vs. yes)	0.12	1.13	1.00 to 1.28	0.0516
Hypotension (yes vs. no)	0.16	1.17	1.00 to 1.37	0.0499
Coagulopathy (yes vs. no)	0.40	1.49	1.28 to 1.75	<0.0001
Age (years)
45–54 vs. 16–44	0.41	1.51	1.25 to 1.82	<0.0001
55–64 vs. 16–44	0.82	2.25	1.89 to 2.68	<0.0001
65–74 vs. 16–44	0.97	2.63	2.19 to 3.17	<0.0001
75–89 vs. 16–44	1.15	3.14	2.62 to 3.76	<0.0001
ISS
15–24 vs. 4–14	0.58	1.78	1.53 to 2.06	<0.0001
25–34 vs. 4–14	1.04	2.81	2.41 to 3.28	<0.0001
35–44 vs. 4–14	1.35	3.85	3.12 to 4.76	<0.0001
45–75 vs. 4–14	1.68	5.36	4.17 to 6.89	<0.0001
GCS score
3–8 vs. 13–15	0.83	2.30	2.01 to 2.63	<0.0001
9–12 vs. 13–15	0.26	1.30	1.03 to 1.64	0.0275

Hypotension: systolic blood pressure<90 mm Hg.
AKI, acute kidney injury; GCS, Glasgow Coma Scale; ISS, Injury Severity Score.