Table 3. Multivariable analysis determining the predictors of primary outcome CIAKI in the unmatched cohort.

Variable	OR	95% CI	P value
Female	1.540	1.229-1.929	<0.001
Age > 70 yrs	1.555	1.212-1.995	0.001
CHF	1.787	1.334-2.394	<0.001
AMI	1.937	1.508-2.489	<0.001
Diabetes history	1.023	1.006-1.042	0.010
Multi-vessel disease	1.216	0.967-1.528	0.094
ACEI/ARB	1.757	1.401-2.203	<0.001
Contrast agent does	0.999	0.997-1.000	0.079
eGFR	1.019	1.009-1.028	<0.001
CKD	2.074	1.310-3.284	0.002
Anemia	1.944	1.443-2.620	<0.001
Albumin < 35 g/L	1.600	1.179-2.170	0.003
Uric acid > 420 umol/L	1.673	1.265-2.213	<0.001
Proteinuria	1.389	1.037-1.860	0.027
LVEF < 40%	1.480	0.991-2.212	0.056

Abbreviations: ACEI, angiotensin-converting enzyme inhibitor; ARB, angiotensin receptor blocker; BMI, body mass index; CKD, chronic kidney disease; CHF, congestive heart failure; AMI, acute myocardial infarction; CCB, calcium channel blocker; eGFR, estimated glomerular filtration rate; HDL, high-density lipoprotein; LDL, low-density lipoprotein; LVEF, left ventricular ejection fraction.