Table 3.

Patient and procedural characteristics in the analytic cohort prior to matching.

	All patients (N = 2629)	Access site		Standardized mean difference
		TFA (n = 1953)	TRA (n = 676)
Age, y	65.7 ± 8.3	65.7 ± 8.4	65.5 ± 8.2	0.02
Body mass index, kg/m2	30.8 ± 5.5	30.7 ± 5.3	31.0 ± 5.8
Male sex	2602 (99.0%)	1934 (99.0%)	668 (98.8%)	0.020
White race	2280 (86.7%)	1719 (88.0%)	561 (83.0%)	0.143
Medical history
Previous myocardial infarction	1192 (45.3%)	896 (45.9%)	296 (43.8%)	0.042
Previous coronary artery bypass grafting	717 (27.3%)	578 (29.6%)	139 (20.6%)	0.210
Previous PCI	1366 (52.0%)	1026 (52.5%)	340 (50.3%)	0.045
Diabetes mellitus	1275 (48.5%)	956 (49.0%)	319 (47.2%)	0.035
Peripheral vascular disease	602 (22.9%)	448 (22.9%)	154 (22.8%)	0.004
Hypertension	2422 (92.1%)	1789 (91.6%)	633 (93.6%)	0.078
Hyperlipidemia	2460 (93.6%)	1818 (93.1%)	642 (95.0%)	0.080
History of smoking	1712 (65.1%)	1230 (63.0%)	482 (71.3%)	0.178
Creatinine, mg/dL	1.16 ± 0.66	1.17 ± 0.70	1.12 ± 0.53	0.087
P2Y12 use within 90 d before PCI	1246 (47.4%)	926 (47.4%)	320 (47.3%)	0.002
Primary PCI indication				0.121
Arrhythmia	0 (0.0%)	0 (0.0%)	0 (0.0%)
Asymptomatic	78 (3.0%)	61 (3.1%)	17 (2.5%)
Cardiomyopathy	1 (0.0%)	1 (0.1%)	0 (0.0%)
Chest pain	126 (4.8%)	93 (4.8%)	33 (4.9%)
Other	193 (7.3%)	130 (6.7%)	63 (9.3%)
Positive functional study	1 (0.0%)	1 (0.1%)	0 (0.0%)
Stable angina	2223 (84.6%)	1663 (85.2%)	560 (82.8%)
Valvular heart disease	7 (0.3%)	4 (0.2%)	3 (0.4%)
CTO lesion count	1.09 ± 0.34	1.10 ± 0.36	1.05 ± 0.27	0.141
Calcification of CTO lesion	826 (31.4%)	688 (35.2%)	138 (20.4%)	0.335

Values are mean ± SD or n (%).

CTO, chronic total occlusion; PCI, percutaneous coronary intervention; TFA, transfemoral access; TRA, transradial access.