Table 1

Baseline Clinical Characteristics

Non-LM Bifurcation (n = 2,044)LM Bifurcation (n = 853)
1-Stent
(n = 1,618)
2-Stent
(n = 426)
p Value1-Stent
(n = 509)
2-Stent
(n = 344)
p Value
Age, yrs61.8 ± 10.361.3 ± 10.70.3262.6 ± 10.064.0 ± 9.70.05
 ≥65 yrs637 (39.4)170 (39.9)0.84208 (40.9)155 (45.1)0.22
Male1,152 (71.2)296 (69.5)0.49387 (76.0)248 (72.1)0.20
Acute coronary syndrome1,078 (66.6)279 (65.5)0.66250 (49.1)217 (63.1)<0.01
Current smoker437 (27.0)100 (23.5)014121 (23.8)75 (21.8)0.50
Diabetes mellitus445 (27.5)122 (28.6)0.64166 (32.6)107 (31.1)0.64
Hypertension936 (57.8)242 (56.8)0.70290 (57.0)207 (60.2)0.35
Dyslipidemia535 (33.1)123 (28.9)0.10138 (27.1)110 (32.0)0.13
Family history of CAD46 (2.8)10 (2.3)0.5820 (3.9)6 (1.7)0.07
Peripheral vascular disease18 (1.1)2 (0.5)0.239 (1.8)10 (2.9)0.27
Previous myocardial infarction86 (5.3)30 (7.0)0.1727 (5.3)30 (8.7)0.50
Previous cerebrovascular event83 (5.1)24 (5.6)0.6851 (10.0)31 (9.0)0.62
Previous PCI170 (10.5)67 (15.7)<0.0191 (17.9)86 (25.0)0.01
Chronic kidney disease40 (2.5)10 (2.3)0.8819 (3.7)12 (3.5)0.85
LVEF, %57.3 ± 11.158.9 ± 12.00.0359.6 ± 11.559.0 ± 11.80.50
 <50%283 (20.7)62 (18.0)0.2659 (14.3)50 (18.2)0.17

Values are mean ± SD or n (%).

CAD = coronary artery disease; LM = left main; LVEF = left ventricular ejection fraction; PCI = percutaneous coronary intervention.

  • LVEF was available in 688 LM bifurcation patients and 1,079 non-LMB patients.