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

Table 1

Baseline characteristics of patients and lesions in the crude cohorts.

Variables	LP group lesions (n = 191)	SP group lesions (n = 135)	value
Number of patients	154	119
Age (years)	69.0 ± 9.6	70.0 ± 10.0	0.44
Male (%)	103 (66.9)	93 (78.2)	0.89
Smoking (%)	40 (26.0)	22 (18.5)	0.15
Diabetes (%)	91 (59.1)	62 (52.1)	0.27
Hypertension (%)	112 (73.7)	88 (73.9)	1.00
Hyperlipidemia (%)	104 (67.5)	84 (70.6)	0.60
Chronic kidney disease (%)	41 (26.6)	22 (18.5)	0.15
Hemodialysis patients (%)	21 (13.6)	10 (8.4)	0.25
AMI (%)	6 (3.9)	9 (7.6)	0.29
Previous MI (%)	38 (24.7)	31 (26.1)	0.89
Previous CABG (%)	16 (10.4)	10 (8.4)	0.68
PAD (%)	27 (17.5)	8 (6.8)	0.007
Target vessel, n (%)
LMT	5 (2.6)	3 (2.2)	0.92
LAD	82 (42.9)	57 (42.2)
RCA	53 (27.7)	42 (31.1)
LCX	51 (26.7)	33 (24.4)
Lesion anatomy
Type B2/C (%)	156 (81.6%)	100 (74.0%)	0.15
Ostial (%)	47 (24.6)	40 (29.6)	0.37
Bifurcation (%)	104 (54.5)	70 (51.9)	0.65
CTO (%)	17 (8.9)	11 (8.1)	0.84
Calcification (%) (visual assessment)			0.16
None	69 (36.1)	56 (41.5)
Mild	29 (15.2)	27 (20.0)
Moderate	26 (13.6)	20 (14.8)
Severe	67 (35.1)	32 (23.7)

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.