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Table 1 Baseline characteristics

From: 3-Year outcomes in patients with heavily calcified lesions undergoing percutaneous coronary intervention using cutting balloons

Baseline characteristics

Before PSM

After PSM

Non-HCL

n = 2222

HCL

n = 210

P value

SMD

Non-HCL

n = 172

HCL

n = 172

P value

SMD

Age, years

62.1 ± 10.8

67.1 ± 9.8

 < 0.001

0.480

65.0 ± 11.5

66.0 ± 10.0

0.390

0.093

Body mass index, kg/m2

26.1 ± 4.8

25.49 ± 4.9

0.081

0.125

25.7 ± 4.8

25.7 ± 4.9

0.908

0.013

Male

1741 (78.4)

148 (70.5)

0.011

0.181

122 (70.9)

128 (74.4)

0.545

0.078

eGFR, ml/min/1.73m2

84.0 ± 26.5

73.6 ± 25.7

 < 0.001

0.399

75.9 ± 24.0

77.2 ± 25.3

0.624

0.053

EF, %

54.1 ± 8.9

54.1 ± 9.2

0.930

0.006

53.8 ± 8.8

54.1 ± 9.2

0.745

0.035

Presentation with ACS

1740 (78.3)

171 (81.4)

0.334

0.078

143 (83.1)

139 (80.8)

0.674

0.061

Current smoker

799 (36.0)

69 (32.9)

0.411

0.065

52 (30.2)

58 (33.7)

0.563

0.075

Prior MI

395 (17.8)

46 (21.9)

0.164

0.104

34 (19.8)

37 (21.5)

0.790

0.043

Atrial fibrillation

173 (7.8)

23 (11.0)

0.139

0.109

11 (6.4)

14 (8.1)

0.678

0.067

Hypertension

1262 (56.8)

149 (71.0)

 < 0.001

0.298

123 (71.5)

120 (69.8)

0.813

0.038

Diabetes

883 (39.7)

121 (57.6)

 < 0.001

0.364

96 (55.8)

89 (51.7)

0.516

0.082

On insulin

366 (16.5)

51 (24.3)

0.006

0.195

43 (25.0)

35 (20.3)

0.367

0.111

Dyslipidemia

700 (31.5)

87 (41.4)

0.004

0.207

75 (43.6)

66 (38.4)

0.380

0.107

  1. Values are mean ± SD or number (%)
  2. ACS, acute coronary syndrome; DAPT, dual antiplatelet therapy; EF, ejection fraction; eGFR, estimated glomerular filtration rate; HCL, heavily calcified lesion; MI, myocardial infarction; PSM, propensity score matching; RCA, right coronary artery; SMD, standardized mean deviation; ST, stent thrombosis; TLR, target lesion revascularization