TABLE 2.

Procedural Characteristics of Left Main Coronary Artery Percutaneous Coronary Intervention

Location of LM stenosis
LM only	43 (22.9)
LM and 1 vessel	54 (28.7)
LM and 2 vessels	53 (28.2)
LM and 3 vessels	38 (20.2)
RCA disease	69 (33.8)
Location of LM stent
Ostial	110 (53.9)
Nonostial	94 (46.1)
LM bifurcation stenting	103 (50.5)
Treatment of RCA	29 (14.2)
Stent type
BMS	29 (14.2)
DES	149 (73.0)
Both DES and BMS	2 (1.0)
Percentage stenosis	67.4 ± 20.8
Lesion length, mm	12.1 ± 8.2
Stent length, mm	18.8 ± 7.5
Stent diameter, mm	3.6 ± 1.0
Number of lesions stented	1.6 ± 1.3
Number of vessels stented	1.7 ± 0.9
Number of stents per lesion	1.1 ± 0.3

Values are n (%) or mean ± SD.

BMS = bare-metal stent; DES = drug-eluting stent; LM = Left main coronary artery; RCA = right coronary artery.