Coronary Artery Bypass Grafting in Patients with Chronic Kidney Disease: Chronic Kidney Disease Has an Independent Adverse Effect on the Long-Term Outcome of Coronary Artery Bypass Grafting

Table 5

Patients’ baseline characteristics.

	G1–2	G3–5
Chronic kidney disease; (eGFR: mL/min/m^2)	≥60	<59	value
Number of patients	909	909
Male	664 (73.0%)	771 (84.8%)	<0.001
Age (years)			0.862
Male	108 (84.4%)	1361 (80.3%)	<0.001
Diabetes mellitus	448 (53.7%)	516 (56.8%)	0.187
Diabetes mellitus (medication)	224 (24.6%)	259 (28.5%)	0.301
Hyperlipidemia	695 (76.5%)	676 (74.4%)	0.301
Hypertension	666 (73.3%)	682 (75.0%)	0.391
History of stroke/TIA	209 (23.0%)	132 (14.5%)	<0.001
Peripheral arterial disease	166(18.3%)	1(14.2%)	0.019
Chronic lung disease	60 (6.6%)	95 (10.5%)	0.003
Previous myocardial infarction	384 (42.2%)	408 (44.9%)	0.256
Previous PCI	168 (18.5%)	215 (23.7%)	0.007
Mitral regurgitation ()	68 (7.5%)	21 (2.3%)	<0.001
Emergency	80 (8.8%)	61(6.7%)	0.096
Number of diseased vessels			0.084
LVEF (%)			0.506
Number of bypasses			0.195
Operative time (min)			0.401
Duration of follow-up (years)			<0.001

eGFR: estimated glomerular filtration rate; PCI: percutaneous coronary intervention; LVEF: left ventricular ejection fraction.