Table 2.

Multivariate logistic analysis of CI-AKI risk indicators

Risk factors	Univariate			Multivariate
	OR	95% CI	P	OR	95% CI	P
Age	1.05	0.97-1.14	0.219	1.02	0.93-1.11	0.688
Low fT3	3.27	1.68-6.35	<0.001	2.41	1.11-5.27	0.027
Heart failure in admission	3.49	1.85-6.60	<0.001	1.47	0.66-3.25	0.348
Anemia	1.05	0.56-1.95	0.881	0.63	0.30-1.32	0.634
Perioperative hypotension	7.04	2.93-16.90	<0.001	3.32	1.25-8.83	0.016
Myocardial infarction	5.18	2.61-10.27	<0.001	3.56	1.54-8.24	0.003
Diabetes mellitus	1.37	0.73-2.55	0.324	1.30	0.64-2.61	0.468
SCr>1.5 mg/dL	0.89	0.26-3.12	0.894	0.44	0.11-1.79	0.255
Contrast volume>150 mL	0.82	0.29-2.50	0.724	1.33	0.39-4.48	0.647

CI-AKI - contrast-induced acute kidney injury; OR - odds ratio; CI - confidence interval; fT₃ - free triiodothyronine; SCr - serum creatinine