A Simple Nomogram to Predict Contrast-Induced Acute Kidney Injury in Patients with Congestive Heart Failure Undergoing Coronary Angiography

Table 2

Univariable logistic regression analysis of CI-AKI.

Variable	OR (95% CI)	value
Age, years	1.06 (1.04–1.08)	<0.001
Age ≥ 65 years vs. age < 65 years	2.68 (1.73–4.17)	<0.001
Age ≥ 75 years vs. age < 75 years	2.82 (1.86–4.27)	<0.001
Weight, kg	0.98 (0.96–1.00)	0.040
HR, bpm	1.02 (1.01–1.04)	<0.001
DBP, mmHg	0.98 (0.96–1.00)	0.017
CKD vs. no CKD	4.25 (2.85–6.36)	<0.001
SCr, μmol/L	1.01 (1.00–1.01)	<0.001
eGFR, ml/min/1.73 mm^2	0.97 (0.96–0.98)	<0.001
LVEF<40% vs. LVEF≥40%	1.81 (1.07–3.05)	0.027
Hypoalbuminemia vs. no hypoalbuminemia	2.62 (1.65–4.17)	<0.001
Hypertension vs. no hypertension	2.26 (1.41–3.61)	<0.001
Hypotension vs. no hypotension	5.16 (2.46–10.80)	<0.001
Anemia vs. no anemia	2.04 (1.37–3.03)	<0.001
AMI vs. no AMI	4.08 (2.72–6.10)	<0.001
Diabetes vs. no diabetes	1.57 (1.04–2.38)	0.034
ACEI/ARB vs. no ACEI/ARB	0.58 (0.35–0.96)	0.034
Beta blocker vs. no beta blocker	0.27 (0.17–0.41)	<0.001
Diuretic vs. no diuretic	3.54 (2.37–5.29)	<0.001
IABP vs. no IABP	10.00 (5.74–17.40)	<0.001
PCI vs. no PCI	1.48 (0.89–2.48)	0.131
Hydration volume, mL	1.00 (1.00–1.00)	<0.001
Contrast volume, mL	1.00 (1.00–1.00)	0.392
Contrast volume ≥ 100 mL vs. contrast volume < 100 mL	0.94 (0.60–1.48)	0.795
Contrast volume ≥ 200 mL vs. contrast volume < 200 mL	0.99 (0.60–1.63)	0.964

CI-AKI: contrast-induced acute kidney injury; HR: heart rate; DBP: diastolic blood pressure; CKD: chronic kidney disease; SCr: serum creatinine; eGFR: estimate glomerular filtration rate; LVEF: left ventricular ejection fraction; AMI: acute myocardial infarction; ACEI: angiotensin-converting enzymes inhibitors; ARB: angiotensin-receptor blockers; PCI: percutaneous coronary intervention; and IABP: intra-aortic balloon pump.