Journal of Interventional Cardiology

Research Article

Clinical Implications of Bifurcation Angles in Left Main Bifurcation Intervention Using a Two-Stent Technique

Table 2

Baseline clinical characteristics in patients treated with the 2-stent technique using the crush technique or T-stenting in LM bifurcation.


	Crush (n = 181)			T-stenting (n = 167)
	LM-LAD angle ≥152° (n = 84)	LM-LAD angle <152° (n = 96)	value	LM-LAD angle ≥152° (n = 93)	LM-LAD angle <152° (n = 71)	value

Age, years	63.1 ± 11.1	65.4 ± 8.6	0.124	65.0 ± 9.0	64.0 ± 11.5	0.535
Male	55 (65.5)	54 (56.3)	0.224	57 (61.3)	37 (52.1)	0.239
Diabetes mellitus	24 (28.6)	35 (36.5)	0.271	33 (35.5)	18 (25.4)	0.165
Hypertension	48 (57.1)	58 (60.4)	0.384	60 (64.5)	35 (49.3)	0.050
Dyslipidemia	28 (33.3)	19 (19.8)	0.029	30 (32.3)	27 (38.0)	0.442
Peripheral vascular disease	2 (2.4)	3 (3.1)	1.000	4 (4.3)	0 (0)	0.134
Chronic kidney disease	7 (8.3)	12 (12.5)	0.468	6 (6.5)	5 (7.0)	1.000
Current smoker	23 (27.4)	19 (19.8)	0.289	22 (23.7)	9 (12.7)	0.075
Previous myocardial infarction	5 (6.0)	11 (11.5)	0.294	10 (10.8)	1 (1.4)	0.024
Previous cerebrovascular event	10 (11.9)	8 (8.3)	0.464	6 (6.5)	4 (5.6)	1.000
Previous PCI	20 (23.8)	27 (28.1)	0.610	22 (23.7)	10 (14.1)	0.125
Previous CABG	2 (2.4)	2 (2.1)	1.000	2 (2.2)	0 (0)	0.506
Family history of CAD	4 (4.8)	4 (4.2)	1.000	4 (4.3)	2 (2.8)	0.699
LV ejection fraction, %	59.8 ± 12.4	57.8 ± 12.1	0.310	57.9 ± 9.7	57.9 ± 12.6	0.985
Clinical Manifestation			0.359			0.645
STEMI	7 (8.3)	4 (4.2)		7 (7.5)	4 (5.6)
NSTEMI	13 (15.5)	13 (13.5)		6 (6.5)	2 (2.8)
Unstable angina	41 (48.8)	41 (54.2)		41 (44.1)	30 (42.3)
Stable angina	23 (27.4)	27 (28.1)		39 (42.0)	31 (43.7)

Values are mean ± standard deviations, median (interquartile ranges, 25^th–75^th), or n (%) (per-patient analysis). Chronic kidney disease defined as a glomerular filtration rate (GFR) < 60 ml/min/1.73 m². CABG, coronary artery bypass grafting; CAD, coronary artery disease; LAD, left anterior descending artery; LM, left main; LV, left ventricle; NSTEMI, non-ST-segment elevation myocardial infarction; PCI, percutaneous coronary intervention; STEMI, ST-segment elevation myocardial infarction.