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Risk difference and relative risk of suffering CIN for individuals with high albumin excretion compared to those with low excretion, taking into account different cutoff points (A) and incidence of CIN in patients with high albumin excretion depending on the cutoff points (B). A1 and A2 albuminuria: categories of albuminuria according to KDIGO, 2012 [19]. CIN: contrast-induced nephropathy; Cru: urinary creatinine; N/C: not calculable; P: percentile; R: correlation coefficient.
