Table 1 Baseline characteristics and angiographic features according to smoking status

Age (years)

60.27 ± 9.65

65.05 ± 9.32

60.21 ± 9.12

<0.001

<0.001

0.956

<0.001

Male n (%)

155 (90.1)

211 (60.1)

118 (93.7)

<0.001

<0.001

0.277

<0.001

Marital status n (%)

147 (85.5)

310 (88.3)

114 (90.5)

0.405

0.356

0.195

0.509

Body mass index (kg/m²)

25.79 ± 2.80

25.12 ± 2.91

25.91 ± 2.74

0.005

0.011

0.739

0.008

 Diabetes mellitus

33 (16.9)

89 (25.4)

19 (15.1)

0.015

0.029

0.679

0.021

 Hypertension

105 (61.0)

244 (69.5)

81 (64.3)

0.003

0.002

0.718

0.019

 Hypercholesterolemia

55 (32)

126 (35.9)

44 (34.9)

0.674

0.376

0.594

0.844

 Heart failure

16 (9.3)

25 (7.12)

11 (8.73)

0.808

0.529

0.865

0.712

 Impaired renal dysfunction

6 (3.5)

15 (4.3)

4 (3.2)

0.858

0.667

0.882

0.588

 Prior AMI n (%)

30 (17.4)

36 (10.3)

23 (18.3)

0.021

0.020

0.856

0.019

 Unstable angina

117 (68.0)

221 (63.0)

82 (65.1)

0.521

0.225

0.594

0.672

Left ventricular ejection fraction

65.52 ± 6.93

65.38 ± 8.84

66.28 ± 8.43

0.577

0.86

0.435

0.299

 Fasting plasma glucose (mmol/L)

5.48 ± 1.55

5.77 ± 1.34

5.51 ± 1.26

0.170

0.125

0.477

0.229

 Total cholesterol (mmol/L)

4.07 ± 0.88

4.21 ± 1.35

4.16 ± 0.87

0.422

0.190

0.522

0.651

 Triglycerides (mmol/L)

1.67 ± 0.93

1.58 ± 1.15

1.75 ± 1.13

0.308

0.393

0.532

0.141

 HDL cholesterol (mmol/L)

0.96 ± 0.19

0.99 ± 0.20

0.98 ± 0.14

0.136

0.046

0.319

0.505

 LDL cholesterol (mmol/L)

2.43 ± 0.77

2.31 ± 0.82

2.44 ± 0.78

0.122

0.085

0.974

0.114

 Antiplatalet

172 (100)

351 (100)

126 (100)

1.000

1.000

1.000

1.000

 Statins

169 (98.3)

348 (99.1)

123 (97.6)

0.441

0.370

0.699

0.187

 ACEI/ARB

110 (64.0)

215 (61.3)

82 (65.1)

0.693

0.550

0.841

0.447

 CCB

31 (18.0)

74 (21.1)

26 (20.6)

0.708

0.412

0.571

0.916

 β-blockers

87 (50.6)

190 (54.1)

66 (52.4)

0.742

0.445

0.759

0.735

No. of diseased vessels n (%)

0.429

0.185

0.892

0.528

 1

85 (49.4)

158 (45.0)

61 (48.4)

 2

50 (29.1)

91 (25.9)

35 (27.8)

 3

37 (21.5)

102 (29.1)

30 (23.8)

Reference vessel diameter (mm)

2.95 ± 0.42

3.01 ± 0.40

2.96 ± 0.34

0.213

0.100

0.732

0.277

Percentage diameter stenosis (%)

85.82 ± 12.31

84.61 ± 11.22

86.86 ± 11.55

0.146

0.260

0.446

0.062

B2/C class lesion n, (%)

129 (75.0)

253 (72.1)

99 (78.6)

0.344

0.480

0.472

0.155

Predilation n,(%)

148 (86.0)

299 (85.2)

111 (88.1)

0.722

0.793

0.604

0.420

Stent diameter (mm)

3.02 ± 0.41

3.08 ± 0.39

3.02 ± 0.34

0.104

0.074

0.982

0.104

Total stent length (mm)

32.18 ± 6.53

32.36 ± 7.00

33.56 ± 6.57

0.431

0.196

0.439

0.775

Stent delivery pressure (atm)

14.50 ± 2.31

14.39 ± 2.26

14.68 ± 2.05

0.435

0.583

0.487

0.202

Postdilation n,(%)

57 (33.1)

106 (30.2)

45 (35.7)

0.491

0.495

0.644

0.254