Table 1 Baseline demographic and clinical data

Ischemia time, hours

8.00 (4.24, 24.00)

6.17 (3.25, 14.24)

5.93 (3.33, 10.88)

6.00 (3.64, 16.05)

0.004

Age, years

60.31 ± 14.92

61.86 ± 13.14

63.58 ± 12.89

64.39 ± 12.96

0.004

Gender, male, n(%)

235 (85.45)

234 (85.40)

220 (79.71)

208 (75.64)

0.006

BMI, kg/m²

23.69 ± 3.42

24.27 ± 3.25

24.05 ± 3.14

24.44 ± 3.37

0.026

Smoking history, n(%)

0.023

Current

158 (57.45)

139 (50.73)

121 (43.84)

122 (44.53)

Past

26 (9.45)

38 (13.87)

44 (15.94)

41 (14.96)

Medical history, n(%)

Hypertension

134 (48.73)

155 (56.57)

175 (63.41)

193 (70.18)

< 0.001

Diabetes

15 (5.45)

19 (6.93)

73 (26.45)

190 (69.09)

< 0.001

Hyperlipidemia

82 (29.82)

97 (35.40)

104 (37.68)

99 (36.00)

0.237

Previous CAD

14 (5.09)

12 (4.38)

16 (5.80)

27 (9.82)

0.040

Previous AF

14 (5.09)

13 (4.74)

14 (5.07)

15 (5.45)

0.986

Previous stroke

19 (6.91)

21 (7.66)

21 (7.61)

27 (9.82)

0.619

CKD

9 (3.27)

13 (4.74)

15 (5.43)

24 (8.73)

0.039

Previous HF

1 (0.36)

1 (0.36)

2 (0.72)

3 (1.09)

0.665

Previous cancer

8 (2.91)

12 (4.38)

15 (5.43)

15 (5.45)

0.433

Heart rate, bpm

80.44 ± 15.34

81.35 ± 14.12

83.39 ± 17.34

89.93 ± 19.64

< 0.001

SBP, mmHg

124.40 ± 19.90

123.64 ± 19.79

122.41 ± 19.49

123.46 ± 23.69

0.830

DBP, mmHg

77.36 ± 14.02

76.07 ± 14.39

77.70 ± 28.04

74.23 ± 15.32

0.208

SpO₂, %

98.33 ± 1.73

98.12 ± 2.15

98.24 ± 4.44

96.97 ± 4.37

< 0.001

Laboratory examinations

White blood cell, 10^9/L

10.13 ± 3.82

10.66 ± 3.37

11.20 ± 3.57

12.40 ± 4.80

< 0.01

Hemoglobin, g/L

142.34 ± 20.18

145.79 ± 20.87

142.46 ± 20.35

140.34 ± 21.08

0.007

Platelets, 10^9/L

211.58 ± 66.33

214.90 ± 67.93

221.22 ± 59.61

217.07 ± 70.85

0.198

Creatinine, µmol/L

73.00 (64.00, 89.00)

75.00 (64.00, 87.00)

77.00 (65.00,92.50)

83.00 (64.25, 114.00)

< 0.001

ABG, mmol/L

6.02 ± 0.56

7.36 ± 0.35

9.17 ± 0.74

15.72 ± 4.34

< 0.001

FBS, mmol/L

5.28 ± 0.89

5.84 ± 1.20

7.02 ± 2.40

10.53 ± 4.11

< 0.001

SHR1

0.91 ± 0.13

1.08 ± 0.13

1.22 ± 0.21

1.49 ± 0.40

< 0.001

SHR2

0.79 ± 0.13

0.85 ± 0.16

0.91 ± 0.27

1.02 ± 0.40

< 0.001

SHR3

0.91 ± 0.14

0.98 ± 0.18

1.07 ± 0.32

1.28 ± 0.48

< 0.001

HbA1c, %

5.83 ± 0.47

5.96 ± 0.52

6.50 ± 1.02

8.41 ± 1.95

< 0.001

Triglycerides, µmol/L

1.30 (0.95, 1.90)

1.38 (0.95, 1.98)

1.34 (1.00, 1.86)

1.48 (1.03, 2.09)

0.139

HDL, µmol/L

1.04 (0.91, 1.18)

1.02 (0.89, 1.20)

1.05 (0.92, 1.21)

1.00 (0.87, 1.18)

0.265

LDL, µmol/L

2.38 (1.92, 2.98)

2.56 (2.09, 3.12)

2.62 (1.95, 3.20)

2.43 (1.81, 3.06)

0.632

LVEF, %

55.73 ± 10.69

55.47 ± 10.85

54.21 ± 11.00

50.95 ± 12.94

< 0.001

Procedural information

Culprit vessel, n(%)

0.002

LM

1 (0.36)

0 (0)

9 (3.26)

12 (4.36)

LAD

152 (55.27)

153 (55.84)

126 (45.65)

135 (49.09)

LCX

39 (14.18)

31 (11.31)

36 (13.04)

38 (13.82)

RCA

83 (30.18)

90 (32.85)

105 (38.04)

90 (32.73)

Multivessel disease, n(%)

0.003

Two-vessel

76 (27.64)

77 (28.10)

93 (33.70)

85 (30.91)

Three-vessel

45 (16.36)

49 (17.88)

59 (21.38)

75 (27.27)

TIMI flow, n(%)

0.020

0

169 (61.45)

188 (68.61)

209 (75.72)

187 (68.00)

1

12 (4.36)

6 (2.19)

13 (4.71)

10 (3.64)

2

27 (9.82)

19 (6.93)

10 (3.62)

19 (6.91)

3

67 (24.36)

61 (22.26)

44 (15.94)

59 (21.45)

Thrombectomy, n(%)

144 (52.36)

164 (59.85)

162 (58.70)

167 (60.73)

0.182

Number of stents

1.22 ± 0.46

1.21 ± 0.44

1.25 ± 0.51

1.23 ± 0.52

0.918

Diameter of stents

3.00 ± 0.46

3.05 ± 0.48

3.09 ± 0.48

2.98 ± 0.46

0.026

Length of stents

30 (24, 38)

30 (24, 38)

30 (24, 38)

30 (23, 38)

0.971

Medication, n(%)

Statins

268 (98.53)

268 (98.89)

256 (97.71)

242 (96.80)

0.326

ACEI or ARB

232 (85.29)

229 (84.50)

219 (83.59)

197 (78.80)

0.199

β-Blocker

244 (89.71)

232 (85.61)

225 (85.88)

207 (82.80)

0.152

Anticoagulants

19 (6.99)

17 (6.27)

8 (3.05)

14 (5.60)

0.213