Table 1 Baseline Characteristics

Number

87

43

44

Age (years)

55.51 ± 11.76

55.26 ± 11.42

55.75 ± 12.21

0.846

Male (%)

65 (74.7%)

35 (81.4%)

30 (68.2%)

0.218

BMI (Kg/m²)

26.07 ± 3.35

25.93 ± 3.54

26.20 ± 3.19

0.709

Systolic BP (mmHg)

115.83 ± 18.17

117.56 ± 18.03

114.14 ± 18.35

0.383

Diastolic BP (mmHg)

74.03 ± 13.44

75.26 ± 13.66

72.84 ± 13.28

0.405

Total ischemia time (minute)

278.00 (197.00,412.00)

376.53 ± 207.58

319.50 ± 185.33

0.180

Killip class II on admission (%)

39 (44.8%)

22 (51.2%)

17 (38.6%)

0.284

LVEF at 2 days post-STEMI (%)

59.00 (53.00,63.00)

55.79 ± 7.05

59.16 ± 5.64

0.016

Current Smoker (%)

60 (69.0%)

32 (74.4%)

28 (63.6%)

0.355

Hypertension (%)

44 (53.6%)

20 (46.5%)

24 (54.5%)

0.523

Diabetes (%)

16 (18.4%)

3 (7.0%)

13 (29.5%)

0.011

 White blood cell (10⁹/L)

11.21 ± 3.07

11.47 ± 3.23

10.96 ± 2.93

0.445

 Hemoglobin (g/L)

139.17 ± 18.77

141.93 ± 16.49

136.48 ± 20.60

0.177

 Platelet (10⁹/L)

235.78 ± 57.78

233.63 ± 51.84

237.89 ± 63.58

0.733

 FBG (mmol/L)

6.40 (5.40,7.85)

6.10 (5.10,7.40)

6.40 (5.63,9.95)

0.244

 Triglycerides (mmol/L)

1.45 (1.01,2.06)

1.23 (0.91,1.63)

1.59 (1.16,2.37)

0.036

 LDL-C (mmol/L)

2.79 ± 0.76

2.72 ± 0.75

2.86 ± 0.78

0.404

 HDL-C (mmol/L)

0.99 ± 0.21

0.98 ± 0.21

1.00 ± 0.20

0.647

 Peak NT-proBNP (pg/ml)

641.00 (322.00,1504.00)

641.00 (384.00,1554.00)

657.50 (253.25,1433.75)

0.610

Culprit

0.017

 LAD (%)

49 (56.3%)

30 (69.8%)

19 (43.2%)

 Others(%)

38 (43.7%)

13 (30.2%)

25 (56.8%)

Number of diseased vessels

0.376

 1- vessel disease(%)

43 (49.4%)

24 (55.8%)

19 (43.2%)

 2- vessel disease(%)

26 (29.9%)

10 (23.3%)

16 (36.4%)

 3- vessel disease(%)

18 (20.7%)

9 (20.9%)

9 (20.5%)

TIMI = 0, before procedure

75 (86.2%)

37 (86.0%)

38 (86.4%)

p > 0.99

 Stent implantation(%)

86 (98.9%)

43 (100.0%)

43 (97.7%)

p > 0.99

 The number of stent

1.09 ± 0.33

1.12 ± 0.32

1.07 ± 0.33

0.498

 Thrombus aspiration(%)

10 (11.5%)

5 (11.6%)

5 (11.4%)

p > 0.99

 Tirofiban(%)

57 (65.5%)

26 (60.5%)

31 (70.5%)

0.372

 TIMI = 3 (After procedure)

66 (75.9%)

36 (83.7%)

30 (68.2%)

0.132

 Aspirin(%)

87 (100.0%)

43 (100.0%)

44 (100.0%)

p > 0.99

 Clopidogrel(%)

87 (100.0%)

43 (100.0%)

44 (100.0%)

P > 0.99

 Stains(%)

87 (100.0%)

43 (100.0%)

44 (100.0%)

p > 0.99

 β-block(%)

77 (88.5%)

37 (86.0%)

40 (90.9%)

0.521

 ACEI/ARB(%)

60 (69.0%)

29 (67.4%)

31 (70.5%)

0.819