Table 1 Demographic and clinical characteristics of the study population

Age, years

61.2 ± 10.4

61.8 ± 10.2

60.7 ± 10.5

0.040

Body mass index, kg/m²

24.7 ± 3.3

24.2 ± 3.1

25.0 ± 3.4

<0.001

Waist circumference, cm

87.8 ± 8.3

88.3 ± 7.9

87.5 ± 8.5

0.078

Systolic blood pressure, mmHg

124.3 ± 17.7

125.8 ± 17.2

123.2 ± 18.0

0.004

Diastolic blood pressure, mmHg

79.9 ± 10.6

81.5 ± 11.0

78.8 ± 10.1

<0.001

Pulse pressure, mmHg

44.4 ± 13.1

44.4 ± 12.5

44.5 ± 13.4

0.855

Heart rate, bpm

69.7 ± 10.1

69.2 ± 10.3

70.0 ± 10.0

0.135

Fasting glucose, mmol/l

5.7 ± 1.4

5.8 ± 1.4

5.7 ± 1.4

0.050

Total cholesterol, mmol/l

5.14 ± 0.96

4.92 ± 0.91

5.29 ± 0.98

<0.001

Triglyceride, mmol/l

1.76 ± 1.10

1.89 ± 1.23

1.68 ± 0.98

<0.001

High-density lipoprotein cholesterol, mmol/l

1.19 ± 0.28

1.16 ± 0.30

1.21 ± 0.27

<0.001

Serum creatinine, μmol/l

85.7 ± 15.91

95.5 ± 13.3

78.7 ± 14.1

<0.001

Hypertension, n (%)

726 (44.3%)

286 (42.6%)

440 (45.5%)

0.245

Antihypertensive medication, n (%)

483 (29.5%)

157 (23.4%)

326 (33.7%)

<0.001