Table 2: Lesion characteristics, procedural data, and device characteristics.

Before PS matchingAfter PS matching
Variablede novo≤ 2.75 mm>2.75 mmp-value≤ 2.75 mm>2.75 mmp-value

Number of lesions731577154-119126-

Target vessel
LAD299 (40.9%)233 (40.4%)66 (42.9%)0.02544 (37.0%)53 (42.1%)0.373
CX252 (34.5%)212 (36.7%)40 (26.0%)46 (38.7%)34 (27.0%)
RCA155 (21.2%)114 (19.8%)41 (26.6%)24 (20.2%)32 (25.4%)
graft8 (1.1%)4 (0.7%)4 (2.6%)2 (1.7%)4 (3.2%)
unknown17 (2.3%)14 (2.4%)3 (1.9%)3 (2.5%)3 (2.4%)

Total occlusion56 (7.7%)47 (8.1%)9 (5.8%)0.3409 (7.6%)7 (5.6%)0.525

Chronic total occlusion23 (3.1%)20 (3.5%)3 (1.9%)0.3387 (5.9%)3 (2.4%)0.166

Thrombus burden21 (2.9%)14 (2.4%)7 (4.5%)0.1624 (3.4%)4 (3.2%)0.934

Diffuse vessel disease330 (45.1%)270 (46.8%)60 (39.0%)0.08351 (42.9%)52 (41.3%)0.801

Calcification144 (19.7%)111 (19.2%)33 (21.4%)0.54421 (17.6%)30 (23.8%)0.235

Vein graft7 (1.0%)3 (0.5%)4 (2.6%)0.0191 (0.8%)3 (2.4%)0.342

Ostial lesion143 (19.6%)109 (18.9%)34 (22.1%)0.37624 (20.2%)29 (23.0%)0.588

Bifurcation lesion123 (16.8%)97 (16.8%)26 (16.9%)0.98318 (15.1%)23 (18.3%)0.512

Severe tortuosity58 (7.9%)48 (8.3%10 (6.5%)0.4569 (7.6%)10 (7.9%)0.913

AHA/ACC type B2/C lesion340 (46.5%)267 (46.3%)73 (47.4%)0.80357 (47.9%)59 (46.8%)0.866

Number of diseased vessels
 single275 (37.6%)220 (38.1%)55 (35.7%)0.18450 (42.0%)44 (34.9%)0.314
 double274 (37.5%)222 (38.5%)52 (33.8%)41 (34.5%)42 (33.3%)
 triple182 (24.9%)135 (23.4%)47 (30.5%)28 (23.5%)40 (31.7%)

Reference diameter (mm)2.45±0.412.31±0.263.15±0.26-2.45±0.233.16±0.27-

Lesion length17.4±8.617.2±8.817.6±8.30.51717.2±9.817.4±9.00.856

Degree of stenosis (%)84.7±11.884.9±11.983.9±11.50.42984.0±14.984.6±10.60.738

DCBs used772609163-127132-

Predilatation721 (93.4%)571 (93.8%)150 (92.0%)0.428120 (94.5%)121 (91.7%)0.372

Predilation device diameter (mm)2.19±0.422.00±0.232.50±0.61<0.0012.15±0.322.59±0.50-

Predilatation device length (mm)14.6±4.114.5±4.014.8±4.20.37014.7±4.114.7±4.40.919

Predilatation pressure (atm)11.6±3.511.4±3.412.5±3.80.00212.1±3.412.6±3.80.298

DCB diameter (mm)2.47±0.422.31±0.283.04±0.340.0022.45±0.263.05±0.33-

DCB length (mm)20.6±4.920.7±4.720.4±5.20.06120.3±4.920.1±5.20.751

DCB inflation pressure (atm)9.2±2.89.1±2.79.5±3.10.4939.3±2.89.7±3.10.434

DCB inflation time (sec)50.9±16.550.2±16.453.5±16.80.59950.7±17.053.4±15.70.264

Additional stent per DCB46 (6.0%)33 (5.4%)13 (8.0%)0.2219 (7.1%)10 (7.6%)0.880

Overall technical success per lesion765 (99.1%)604 (99.2%)161 (98.8%)0.627127 (100.0%)130 (98.5%)0.164

Multivessel PCI, non-target lesions269 (36.8%)230 (37.8%)57 (35.0%)0.51233 (26.0%)48 (36.4%)0.072

BVS used in non-target lesions8 (1.0%)7 (1.1%)1 (0.6%)0.5480 (0.0%)1 (0.8%)0.326

independent t-test, otherwise Chi2 or Fisher’s Exact Test whenever applicable.