Table 2. Angiographic success and procedural characteristics according to access.

Variable	Femoral (n=5,482)	Radial (n=4,498)	P value
Angiographic success
TIMI flow before intervention
0–I	3,910 (77%)	2,850 (69%)	<0.01*
II	817 (16%)	734 (18%)
III	383 (7%)	562 (14%)
TIMI flow after intervention
0–I	215 (4%)	169 (4%)	<0.01*
II	294 (6%)	185 (5%)
III	4,453 (89%)	3,680 (91%)
“No reflow”	28 (1%)	9 (0%)
TIMI II + III	4,747 (95%)	3,865 (96%)	0.32
Peri-interventional antithrombotic treatment
Gp2b3a	1,441 (26%)	1,173 (26%)	0.82
Bivalirudin	490 (9%)	151 (3%)	<0.01
Intervention
Bare metal stent	581 (11%)	183 (4%)	<0.01*
Drug eluting stent	4,159 (81%)	3,835 (88%)
Bioabsorbable scaffold	26 (1%)	11 (0%)
Balloon angioplasty only	254 (5%)	177 (4%)
Thrombus aspiration	1,222 (24%)	954 (23%)	0.39
Mechanical circulatory support	46 (1%)	8 (0%)	<0.01

*, these P values represent intra-category differences. Categorical variables are presented as numbers (percentages) of non-missing values.