Table 2 Demographic characters of the total patients and patients in different BP categories

Age (yrs)

63.67 ± 12.78

65.11 ± 11.90

54.84 ± 13.21

66.87 ± 12.09

60.39 ± 13.12

< 0.001

Male (%)

4610 (54.4%)

1820 (53.0%)

233 (64.5%)

1062 (50.7%)

1495 (57.9%)

< 0.001

BMI (kg/m²)

24.83 ± 3.85

24.50 ± 3.38

26.47 ± 6.53

24.70 ± 3.77

25.15 ± 3.92

< 0.001

Smoking (%)

1560 (18.5%)

538 (15.8%)

98 (27.4%)

354 (17.1%)

570 (22.2%)

< 0.001

Antihypertensive agents (%)

7567 (89.4%)

3264 (95.1%)

296 (82.0%)

1852 (88.4%)

2155 (83.5%)

< 0.001

SBP (mmHg)

142.50 ± 18.66

127.78 ± 8.06

126.72 ± 14.43

150.01 ± 11.52

158.17 ± 17.47

< 0.001

DBP (mmHg)

84.54 ± 12.73

76.43 ± 6.82

97.89 ± 14.40

79.17 ± 6.52

97.79 ± 9.76

< 0.001

LDL (mmol/L)

2.86 ± 1.09

2.74 ± 1.03

3.07 ± 1.45

2.87 ± 1.06

3.03 ± 1.13

< 0.001

TC (mmol/L)

4.86 ± 1.34

4.73 ± 1.26

4.94 ± 1.19

4.78 ± 1.26

5.14 ± 1.51

< 0.001

HDL (mmol/L)

1.28 ± 0.34

1.29 ± 0.35

1.23 ± 0.33

1.29 ± 0.33

1.27 ± 0.32

0.06

TG (mmol/L)

2.06 ± 1.67

1.94 ± 1.54

2.35 ± 1.74

1.91 ± 1.41

2.36 ± 2.01

< 0.001

DM (%)

1634 (20.2%)

709 (21.6%)

56 (15.9%)

473 (23.7%)

396 (16.2%)

< 0.001

CAD (%)

1435 (17.8%)

541 (16.5%)

42 (11.9%)

417 (21.0%)

435 (17.8%)

< 0.001

HF (%)

179 (2.2%)

64 (2.0%)

4 (1.1%)

57 (2.9%)

54 (2.2%)

0.07

Statin (%)

4461 (57.6%)

1834 (58.2%)

158 (46.1%)

1210 (64.3%)

1259 (53.2%)

< 0.001