Baseline characteristics of the study population.

P-value < 0.05 = *, p value < 0.01 = **, all values are compared with eGFR ≥90 ml/min/1.73 m² group. Data are reported as number and percentage or mean ± SD.; eGFR = estimated glomerular filtration rate; CHA₂ DS₂ VASC = C ongestive heart failure, H ypertension, A ge ≥75 years, D iabetes, prior S troke/transient ischaemic attack/systemic embolism, associated V ascular disease, A ge 65–74 years, and female S ex category; HAS-BLED = Hypertension, Abnormal liver or kidney function, prior Stroke, Bleeding history or predisposition, Labile INR, Elderly, and concomitant Drugs; PCI = percutaneous coronary intervention; CABG = coronary artery bypass graft surgery; TIA = transient ischemic attack. Baseline characteristics of the study population.