Table 1 Baseline characteristics of hypertensive patients with no cognitive impairment and cognitive function decline

Age, years

65.90 ± 10.49

76.07 ± 7.80

 < 0.001^*

Sex (Male), n (%)

293.00(48.67)

63.00(48.09)

0.904

Smoking, n (%)

92.00(15.28)

11.00(8.40)

0.040^*

Drinking, n (%)

111.00(18.44)

18.00(13.74)

0.201

Marital status, n (%)

0.202

 Married

589.00(97.84)

125.00(95.42)

 Unmarried, divorced or widowed

13.00(2.16)

6.00 (4.58)

Educational level, n (%)

0.048^*

 Primary school or below

230(38.21)

65.00(49.61)

 Junior high school or senior high school

336.00(55.81)

61.00(46.56)

 University or above

36.00(5.98)

5.00(3.82)

Type of work, n (%)

 < 0.001^*

 Manual labor

295.00(49.00)

99.00(75.57)

 Mental labor

97.00(16.11)

4.00(3.05)

 Both manual and brain labor

210.00(34.88)

28.00(21.37)

 Obesity

269(44.7)

70(53.4)

0.069

 Waist circumference, cm

82.78 ± 15.64

87.30 ± 12.65

 < 0.001^*

 BMI, kg/m²

24.76 ± 3.26

25.38 ± 3.11

0.049^*

 MMSE score, points

29.24 ± 1.00

22.48 ± 3.63

 < 0.001^*

 Average salt intake per month, g

300.00[180.00, 600.00]

270.00[180.00, 450.00]

0.051

Imaging parameters

 LVD (mm)

47.13 ± 6.57

49.02 ± 5.71

0.002^*

 RVD (mm)

21.91 ± 3.00

22.47 ± 3.87

0.066

 LAD (mm)

36.39 ± 5.76

38.92 ± 6.55

 < 0.001^*

 RAD (mm)

32.77 ± 5.60

34.91 ± 6.51

 < 0.001^*

Medication information, n (%)

 ACEI/ARBs use

394.00(65.45)

69.00(52.00)

0.006^*

 Beta-blockers use

125.00(20.76)

17.00(13.00)

0.041^*

 CCBs use

364.00(60.47)

81.00(61.83)

0.772

 Diuretics use

113.00(18.77)

24.00(18.32)

0.905