The predictive value of the renal resistive index for contrast-induced nephropathy in patients with acute coronary syndrome

Table 3 Univariate and multivariate analyses of risk factors for CIN

Variable	OR	95%CI	p
Univariate analysis
LAD target vessel	2.154	0.962–4.821	0.062
LVEF	0.962	0.924–1.001	0.056
CKD	3.652	1.299–10.265	0.014
Hyperuricemia	2.827	1.192–6.706	0.018
24 h hydration volume (mL)	1.001	1.000–1.001	0.032
eGFR	0.986	0.972–1.000	0.048
RRI pre-procedure ≥0.69	4.093	1.727–9.698	0.001
Contrast volume	1.003	0.992–1.014	0.629
Contrast volume/kg	1.180	0.642–2.168	0.593
Multivariate analysis
RRI pre-procedure ≥0.69	4.445	1.806–10.937	0.001
Hyperuricemia	2.607	1.007–6.749	0.048
CKD	3.163	0.999–10.013	0.050

LAD Left anterior descending artery, CKD Chronic kidney diseases, LVEF Left ventricular ejection fraction, eGFR Estimated glomerular filtration rate, RRI Renal resistive index

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