ALB and coronary artery disorder: This study also found that patients with cyanotic CHD compared to acyanotic CHD had almost double the rate (61 vs. 37%) of clinically relevant CKD, defined as eGFR <60 ml/min/1.73 m2, urine protein-to-creatinine ratio (UPCR) > 0.5 g/g, or urine albumin-to-creatinine-ratio (UACR) > 30 mg/g.