ALB and chronic kidney disease: This cohort exhibited higher CKD rates (39.3% vs. 30.5%/32.6%, p = 0.046), lower revascularization (PCI: 43.8% vs. 49.2%/54.7%; CABG: 7.3% vs. 22.4%/13.0%, both p < 0.05), and worse hematological profiles (hemoglobin, platelets, creatinine, albumin, lymphocytes; all p < 0.001).