Table 1 Comparisons of baseline features between the frequent PVC and control groups

 Male sex, n (%)

25.00(35.70)

84.00(42.00)

0.851

0.356

 Age (y)

56.57 ± 15.59

51.34 ± 16.60

2.307

0.022

 BMI (kg/m²)

24.14 ± 4.06

24.21 ± 3.80

−0.123

0.902

 Hypertension, n (%)

31.00(44.30)

58.00(29.00)

5.483

0.019

 Diabetes, n (%)

5.00(7.10)

12.00(6.00)

0.115

0.735

 Smoking, n (%)

8.00(11.40)

24.00(12.00)

0.032

0.857

 Alcohol consumption, n (%)

3.00(4.30)

16.00(8.00)

1.093

0.296

 WBC count (× 10⁹/L)

5.52 ± 1.53

5.88 ± 1.54

−1.650

0.100

 Neutrophil count (×10⁹/L)

3.36 ± 1.28

3.42 ± 1.20

−0.333

0.739

 Lymphocyte count (×10⁹/L)

1.75 ± 0.56

1.93 ± 0.63

−0.207

0.039

 Monocyte count (×10⁶/L)

322.29 ± 102.31

374.65 ± 109.55

−3.500

0.001

 TC (mmol/L)

4.66 ± 1.07

4.59 ± 1.14

0.419

0.675

 Triglycerides (mmol/L)

1.48 ± 0.84

1.62 ± 1.23

−0.901

0.368

 HDL-c (mmol/L)

1.39 ± 0.31

1.26 ± 0.33

2.883

0.004

 LDL-c (mmol/L)

2.78 ± 0.83

2.72 ± 0.87

0.494

0.622

 MHR

241.35 ± 95.21

316.46 ± 126.09

−4.549

< 0.001

 LVDD (mm)

46.77 ± 3.52

49.08 ± 4.71

−4.310

< 0.001

 LVEF (%)

67.10 ± 5.68

62.18 ± 5.40

6.481

< 0.001

 Aspirin, n (%)

21.00(30.00)

94.00(47.00)

6.129

0.013

 Statins, n (%)

31.00(44.30)

30.00(15.00)

25.429

< 0.001

 ACEIs or ARBs, n (%)

15.00(21.40)

37.00(18.50)

0.268

0.593