Efficacy of Low-Pressure Inflation of Oversized Drug-Coated Balloon for Coronary Artery Disease

Table 3

Baseline characteristics of patients, lesions, and procedure in the propensity-matched cohorts.

Variables	LP group lesions (n = 125)	SP group lesions (n = 125)	value
Number of patients	108	113
Age (years)	69.1 ± 9.5	70.1 ± 9.9	0.48
Male (%)	72 (66.7)	89 (78.8)	0.05
Smoking (%)	29 (26.9)	22 (19.5)	0.21
Diabetes (%)	60 (55.6)	60 (53.1)	0.79
Hypertension (%)	78 (72.2)	83 (73.5)	0.89
Hyperlipidemia (%)	72 (66.7)	80 (70.8)	0.56
Chronic kidney disease (%)	25 (23.1)	23 (20.4)	0.63
Hemodialysis patients (%)	12 (11.1)	10 (8.8)	0.66
AMI (%)	5 (4.6)	7 (6.2)	0.77
Previous MI (%)	25 (23.1)	31 (27.4)	0.54
Previous CABG (%)	8 (7.4)	10 (8.8)	0.81
PAD (%)	14 (13.0)	8 (7.1)	0.18
Target vessel, n (%)			0.92
LMT	3 (2.4)	3 (2.4)
LAD	49 (39.2)	53 (42.4)
RCA	37 (29.6)	38 (30.4)
LCX	36 (28.8)	31 (24.8)
Lesion anatomy
Type B2/C (%)	96 (76.8)	92 (73.6)	0.90
Ostial (%)	36 (28.8)	39 (31.2)	0.78
Bifurcation (%)	68 (54.4)	68 (54.4)	1.00
CTO (%)	11 (8.8)	9 (7.2)	0.82
Calcification (%) (visual assessment)			0.96
None	53 (42.4)	50 (40.0)
Mild	22 (17.6)	24 (19.2)
Moderate	18 (14.4)	20 (16.0)
Severe	32 (25.6)	31 (24.8)
Procedural devices
DCA (%)	8 (6.4)	4 (3.2)	0.38
PTCRA (%)	38 (30.4)	38 (30.4)	1.00
B/A ratio	0.75 ± 0.18	0.71 ± 0.17	0.31
Drug-coated balloon
DCB/A ratio	1.11 (0.19)	1.03 (0.17)	0.001
Inflation pressure (atm)	2.5 (1.2)	7.0 (2.1)	<0.001
Inflation time (sec)	72.3 (42.4)	64.4 (34.9)	0.11

AMI, acute myocardial infarction; B/A ratio, burr/artery ratio; CABG, coronary artery bypass graft surgery; CTO, chronic total occlusion; DCB, drug-coated balloon; DCB/A ratio, DCB/artery ratio; LAD, left anterior descending artery; LMT, left main trunk; LCX, left circumflex artery; MI, myocardial infarction; MLD, minimal lumen diameter; PAD, peripheral artery diseases; RCA, right coronary artery.