Table 4. Univariate and multivariate logistic regression analysis of comorbidities associated with AKI development.

Variable	OR (unadjusted)	95% CI	P value	OR (Adjusted)*	95% CI	P value
Age (yr)	1.05	1.03–1.07	<0.001	-	-	-
Nationality Bahrain/Non-Bahrain	3.58	2.20–5.85	<0.001	1.50	0.85–2.65	n.s.
Diabetes	2.60	1.57–4.30	<0.001	2.04	1.19–3.50	<0.01
Hypertension	3.16	1.87–5.35	<0.001	2.04	1.16–3.61	<0.05
Cardiovascular Disease	2.25	1.04–4.89	<0.05	1.73	0.76–3.92	n.s.
Chronic Pulmonary Disease	0.70	0.28–1.76	n.s	0.53	0.20–1.40	n.s.
Any 1 Comorbidity	2.98	1.63–5.44	<0.001	1.90	0.99–3.67	n.s.
Any 2 Comorbidity	5.76	2.99–11.10	<0.001	2.56	1.24–5.30	<0.05
Any 3 or more Comorbidity	14.62	7.16–29.82	<0.001	5.70	2.59–12.52	<0.001

*Adjusted for age.