Safety and Long-Term Efficacy of Drug-Coated Balloon Angioplasty following Rotational Atherectomy for Severely Calcified Coronary Lesions Compared with New Generation Drug-Eluting Stents

Table 4

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

Variables	DCB-iRA lesions; (n=41)	nDES-iRA lesions; (n=41)	P value
Number of patients	34	35
Age (years)	70±8	72±9	0.63
Male (%)	24 (70.6)	20(57.1)	0.32
Smoking (%)	6 (17.6)	10 (28.6)	0.39
Diabetes (%)	22 (64.7)	17 (48.6)	0.23
Hypertension (%)	24(70.6)	28 (80.0)	0.41
Hyperlipidemia (%)	22 (64.7)	22(62.9)	1.00
Chronic kidney disease (%)	13 (38.2)	14 (40.0)	1.00
Hemodialysis patients (%)	10 (29.4)	12 (34.3)	0.80
Previous MI (%)	11 (32.4)	7 (20.0)	0.28
Previous CABG (%)	3 (8.8)	1(2.9)	0.36
PAD (%)	10 (29.4)	12 (34.3)	0.80
Target vessel
LMT (%)	2 (4.9)	2 (4.9)	0.79
LAD (%)	23 (56.1)	21 (51.2)
RCA (%)	9(22.0)	13(31.7
LCX (%)	7 (17.1)	5 (12.2)
Lesion anatomy
Type B2/C (%)	41(100)	39 (95.1)	0.60
Ostial (%)	10 (24.4)	10(24.4)	1.0
Bifurcation (%)	24 (58.5)	23 (56.1)	1.0
CTO (%)	3 (7.3)	5 (12.2)	0.71
Quantitative angiography
Reference diameter (mm)	2.44±0.63	2.39±0.42	0.66
Lesion length (mm)	14.29±6.84	14.67±6.00	0.79
MLD
Pre-intervention (mm)	0.93±0.39	0.87±0.35	0.43
Percent diameter stenosis
Pre-intervention (%)	61.43±14.47	64.67±15.34	0.33
Mean burr size (mm)	1.78±0.32	1.66±0.18	0.028
B/A ratio	0.76±0.14	0.71±0.12	0.10

Abbreviations are the same for Table 1.