Coronary Angiography Characteristics of Symptomatic Patients with Prior Coronary Artery Bypass Graft: A Descriptive Study

Table 2

Comparison of baseline patient characteristics of symptomatic patients with prior CABG (n = 993).

Variables	MT	PCI	value
	n = 351	n = 642
Demographics
Age (year)	63.65 ± 8.39	62.20 ± 8.81	0.012
≥65 years	166 (47.3%)	262 (40.8%)	0.052
Sex (male)	257 (73.2%)	491 (76.5%)	0.281
Comorbidities
Diabetes	168 (47.9%)	312 (48.6%)	0.842
Hypertension	269 (76.6%)	482 (75.1%)	0.643
Dyslipidemia	171 (48.7%)	313 (48.8%)	1.000
Chronic renal disease	15 (4.3%)	24 (3.7%)	0.733
Chronic lung disease	23 (6.6%)	22 (3.4%)	0.026
Prior PVD	29 (8.3%)	68 (10.6%)	0.264
Prior CVA	44 (12.5%)	108 (16.8%)	0.080
Prior MI	31 (8.8%)	109 (17.0%)
Prior HF	8 (2.3%)	8 (1.2%)	0.291
Prior PCI	15 (4.3%)	33 (5.1%)	0.643
Smoking	208 (59.3%)	412 (64.2%)	0.132
BMI	26.30 ± 3.21	25.91 ± 3.06	0.132
Symptoms			0.415
Chest pain	333 (94.9%)	617 (96.1%)	0.035
SA	142 (42.6%)	236 (38.2%)
UA	137 (41.1%)	237 (38.4%)
AMI	54 (16.2%)	144 (23.3%)
Other	18 (5.1%)	25 (3.9%)
Mean LVEF%	58.88 ± 10.03	58.69 ± 9.35	0.790
Mean LVEF%^※	55.24 ± 9.26	56.76 ± 10.94	0.411
Mean LVEF%^§	59.68 ± 10.32	59.98 ± 7.75	0.780
Duration after CABG	5.11 ± 3.58	4.59 ± 3.42	0.024
Medication after CABG
Aspirin	289 (82.3%)	504 (78.5%)	0.160
Statin	130 (37.0%)	224 (34.9%)	0.533
Beta blockers	244 (69.5%)	428 (66.7%)	0.394

AF = atrial fibrillation; AMI = acute myocardial infarction; BMI = body mass index; CABG = coronary artery bypass graft; CVA = cerebrovascular accident; HF = heart failure; LVEF = left ventricular ejection fraction; MT = medical therapy; PCI = percutaneous coronary intervention; PVD = peripheral vascular disease; VE = ventricular extrasystole; SA = stable angina; UA = unstable angina; UCG = echocardiography; ^※results obtained from patients with AMI; ^§results obtained from patients with SA.