Table 4 Characteristics of STEMI patients without diabetes before and after PSM

Age

57.04 ± 11.96

59.95 ± 12.70

2.066

0.039^*

60.48 ± 13.80

59.78 ± 12.69

0.328

0.743

Gender (male)

878 (80.8%)

60 (76.9%)

1944.678

0.485

53 (68.8%)

60 (77.9%)

163.058

0.274

Medical history

 Hypertension

560 (51.6%)

38 (48.7%)

1907.687

0.712

34 (44.2%)

38 (49.4%)

146.707

0.628

 Smoking

716 (65.9%)

48 (61.5%)

1941.396

0.506

43 (55.8%)

48 (62.3%)

151.810

0.512

 Dyslipidemia

128 (11.8%)

12 (15.4%)

1950.966

0.445

11 (14.3%)

12 (15.6%)

107.477

 > 0.99

 CKD

74 (6.8%)

11 (14.1%)

2053.498

0.04^*

7 (9.1%)

10 (13.0%)

147.645

0.607

 Prior Stroke

81 (7.5%)

6 (7.7%)

1768.430

 > 0.99

6 (7.8%)

6 (7.8%)

110.623

 > 0.99

 Prior PAD

11 (1.0%)

2 (2.6%)

1944.991

0.483

2 (2.6%)

1 (1.3%)

113.385

 > 0.99

 Prior PCI

89 (8.2%)

4 (5.1%)

1949.545

0.454

4 (5.2%)

4 (5.2%)

107.477

 > 0.99

Coronary vascular condition

 Primary PCI

966 (89.0%)

67 (85.9%)

1938.740

0.523

66 (85.7%)

67 (87.0%)

111.698

 > 0.99

 LM

67 (6.2%)

10 (12.8%)

2052.755

0.041^*

8 (10.4%)

10 (13.0%)

138.000

0.802

 LAD

768 (70.7%)

57 (73.1%)

1899.822

0.754

52 (67.5%)

57 (74.0%)

153.299

0.478

 LCX

768 (70.7%)

57 (73.1%)

1899.822

0.754

46 (59.7%)

40 (51.9%)

156.020

0.417

 RCA

542 (49.9%)

36 (46.2%)

1926.426

0.601

38 (49.4%)

36 (46.8%)

133.365

0.872

 Multi-vessels

958 (88.2%)

67 (85.9%)

1915.385

0.668

66 (85.7%)

67 (87.0%)

112.602

 > 0.99

Clinical characteristics

 SBP (mmHg)

119.74 ± 19.81

103.13 ± 25.49

3.395

 < 0.001^*

121.44 ± 21.83

103.17 ± 25.65

3.620

 < 0.001^*

 DBP (mmHg)

73.88 ± 12.93

65.00 ± 14.95

3.325

 < 0.001^*

73.86 ± 13.73

65.06 ± 15.04

3.386

 < 0.001^*

 HR (bpm)

75.76 ± 14.55

90.72 ± 25.16

3.622

 < 0.001^*

76.39 ± 15.16

90.62 ± 25.31

3.620

 < 0.001^*

 RR (bpm)

18.37 ± 2.85

19.56 ± 4.20

3.296

0.001^*

18.78 ± 3.19

19.51 ± 4.19

1.210

0.228

 Killip III&IV

28 (2.6%)

27 (34.6%)

2148.302

 < 0.001^*

2 (2.6%)

27 (35.1%)

215.075

 < 0.001^*

 Arrhythmia

33 (3.0%)

19 (24.4%)

2158.858

 < 0.001^*

1 (1.3%)

19 (24.7%)

214.228

 < 0.001^*

 IABP

124 (11.4%)

43 (55.1%)

2151.251

 < 0.001^*

13 (16.9%)

43 (55.8%)

217.180

 < 0.001^*

 Ventilator

10 (0.9%)

16 (20.5%)

2164.131

 < 0.001^*

2 (2.6%)

16 (20.8%)

212.797

0.001^*

Biochemical variables

 WBC (× 10⁹/L)

9.50 ± 3.22

12.61 ± 4.68

3.487

 < 0.001^*

9.48 ± 3.60

12.59 ± 4.70

3.505

 < 0.001^*

 HGB (g/L)

138.13 ± 16.35

139.30 ± 19.30

0.604

0.546

133.23 ± 17.62

139.46 ± 19.37

2.093

0.038^*

 PLT (× 10⁹/L)

209.29 ± 60.05

204.74 ± 51.87

0.653

0.514

207.98 ± 50.27

206.58 ± 49.58

0.174

0.862

 ALT (U/L)

52.01 ± 84.69

78.31 ± 192.27

2.328

0.02*

49.51 ± 47.79

56.97 ± 43.97

0.994

0.322

 ALB (g/L)

39.12 ± 4.02

37.75 ± 4.80%

2.882

0.004^*

38.88 ± 4.46

37.91 ± 5.30

1.195

0.234

 AST (U/L)

138.19 ± 183.38

209.12 ± 385.82

2.971

0.003^*

155.63 ± 170.20

173.26 ± 221.85

0.552

0.582

 Cr (μmo1/L)

82.66 ± 34.85

97.28 ± 62.62

3.296

0.001

91.18 ± 74.45

95.57 ± 61.17

0.400

0.69

 Glu (mmol/L)

6.45 ± 1.66

8.00 ± 2.90

3.358

 < 0.001^*

6.39 ± 1.47

7.99 ± 2.92

3.421

 < 0.001^*

 HbA1c (%)

5.67 ± 0.38

5.71 ± 0.35

1.018

0.309

5.73 ± 0.41

5.71 ± 0.34

0.424

0.672

 SHR

1.01 ± 0.27

1.24 ± 0.45

3.622

 < 0.001^*

0.99 ± 0.23

1.24 ± 0.45

3.460

 < 0.001^*

 TG (mmol/L)

1.67 ± 0.97

1.30 ± 0.61

3.296

0.001

1.69 ± 1.08

1.30 ± 0.61

2.646

0.009^*

 TC (mmol/L)

4.51 ± 1.03

4.36 ± 1.13

1.216

0.224

4.44 ± 1.02

4.37 ± 1.14

0.394

0.694

 HDL-C (mmol/L)

1.02 ± 0.27

1.08 ± 0.30

1.651

0.099

1.03 ± 0.22

1.08 ± 0.30

1.123

0.263

 LDL-C (mmol/L)

2.83 ± 0.86

2.73 ± 0.96

0.991

0.322

2.78 ± 0.82

2.74 ± 0.96

0.260

0.795

 CRP (mg/L)

10.76 ± 10.86

19.33 ± 13.59

3.437

 < 0.001^*

11.34 ± 10.71

19.37 ± 13.68

3.505

 < 0.001^*

 BNP (ng/L)

556.41 ± 1125.30

1180.39 ± 2927.63

2.110

0.035

624.00 ± 882.37

503.12 ± 578.03

0.514

0.608

 cTnI (ng/ml)

34.88 ± 64.52

53.55 ± 111.09

2.310

0.021

52.39 ± 92.32

52.63 ± 111.52

0.015

0.988

 CK (U/L)

1139.23 ± 1580.77

1455.87 ± 1994.59

1.675

0.094

1226.78 ± 1756.01

1442.91 ± 2004.36

0.710

0.479

 LDH (U/L)

440.49 ± 357.39

517.42 ± 534.29

1.763

0.078

452.22 ± 337.43

485.36 ± 456.07

0.511

0.61

 K (mmol/L)

4.05 ± 0.45

4.02 ± 0.52

0.590

0.555

4.08 ± 0.39

4.01 ± 0.53

0.895

0.372

 LVEDD (mm)

49.63 ± 5.72

4.02 ± 0.52

0.590

0.555

49.04 ± 4.71

49.28 ± 7.57

0.216

0.829

 LVEF (%)

55.40 ± 12.31

47.62 ± 10.68

3.437

 < 0.001^*

55.72 ± 9.97

47.77 ± 10.68

3.700

 < 0.001^*