Table 1 Comparison of patient characteristics between the two groups before and after propensity score matching

Age, years

71.28 ± 4.73

74.46 ± 4.71

< 0.001

72.58 ± 4.52

72.93 ± 3.75

0.685

male, n (%)

30 (51.72)

39(46.99)

0.580

24(53.33)

23 (51.11)

0.833

BMI, kg/m²

24.89 ± 3.70

24.89 ± 3.63

0.990

24.95 ± 3.72

24.70 ± 3.14

0.728

MAP, mmHg

97.16 ± 13.14

96.13 ± 13.21

0.650

95.38 ± 13.26

95.51 ± 11.32

0.961

Hypertension, n (%)

40 (68.97)

61 (73.49)

0.557

32 (71.11)

36 (80.00)

0.327

T2DM, n (%)

16 (27.59)

20 (24.09)

0.640

13 (28.89)

12 (26.67)

0.814

CAD, n (%)

8 (13.79)

20 (24.09)

0.131

7 (15.56)

9 (20.00)

0.581

Stroke, n (%)

8 (13.79)

8 (9.64)

0.444

6 (13.33)

5 (11.11)

0.748

HF, n (%)

34 (58.62)

55(66.27)

0.355

25(55.56)

25 (55.56)

1.000

LAD, mm

44.24 ± 5.08

45.54 ± 4.67

0.119

44.84 ± 4.52

44.27 ± 4.36

0.539

LVEF, %

56.64 ± 9.33

55.67 ± 7.81

0.507

56.02 ± 9.65

56.42 ± 6.90

0.822

CHA2DS2-VASc score

3.72 ± 1.44

3.96 ± 1.40

0.324

3.71 ± 1.41

3.76 ± 1.38

0.880

GERD, n (%)

12 (20.69)

14 (16.87)

0.565

7 (15.56)

8 (17.78)

0.777

TC, mmol/L

4.23 ± 0.93

3.84 ± 1.02

0.022

4.04 ± 1.07

4.01 ± 0.83

0.852

TG, mmol/L

1.31(0.88, 1.75)

1.29 (0.98, 1.86)

0.803

1.22 (0.95, 1.78)

1.31 (0.99, 1.76)

0.678

HDL-C, mmol/L

1.38 ± 0.43

1.27 ± 0.36

0.103

1.37 ± 0.46

1.30 ± 0.37

0.479

LDL-C, mmol/L

2.47 ± 0.72

2.17 ± 0.75

0.019

2.28 ± 0.67

2.32 ± 0.80

0.819

cTnI, ng/ml

0.012 (0.012, 0.012)

0.012 (0.012, 0.012)

0.969

0.012 (0.012, 0.012)

0.012 (0.012, 0.012)

0.207

NT-proBNP, pg/ml

1030.00 (422.00, 1860.00)

562.50 (427.25, 1280.00)

0.111

558.00 (422.50, 1130.00)

977.99 (372.50, 1850.00)

0.272