Table 1 Characteristics of study subjectsa

From: Association of brachial–ankle pulse wave velocity and carotid plaque in Chinese hypertensive adults: effect modification by age

 

Total (n = 13,554)

Gender

P value

Male (n = 5478)

Female (n = 8076)

Age, year

64.3 (7.4)

65.5 (7.4)

63.6 (7.3)

<0.001

Body mass index, kg/m2

24.9 (3.8)

24.1 (3.5)

25.5 (3.8)

<0.001

baPWV, m/s

17.2 (3.4)

17.2 (3.4)

17.3 (3.4)

0.006

Plaque presence, N (%)

   

<0.001

  No

7893 (58.2)

2692 (49.1)

5201 (64.4)

 

  Yes

5661 (41.8)

2786 (50.9)

2875 (35.6)

 

Plaque number, N (%)

   

<0.001

  1

2575 (19.0)

1112 (20.3)

1463 (18.1)

 

  2

1467 (10.8)

702 (12.8)

765 (9.5)

 

  ≥3

1619 (11.9)

972 (17.7)

647 (8.0)

 

SBP, mmHg

135.4 (17.4)

132.8 (16.9)

137.2 (17.5)

<0.001

DBP, mmHg

82.0 (10.9)

82.3 (11.3)

81.8 (10.6)

0.007

Current smoking, N (%)

2892 (21.4)

2690 (49.2)

202 (2.5)

<0.001

Current drinking, N (%)

3032 (23.2)

2667 (52.7)

365 (4.6)

<0.001

Laboratory results, mmol/l

Total cholesterol

5.3 (1.1)

5.1 (1.0)

5.5 (1.1)

<0.001

Triglycerides

1.8 (1.4)

1.5 (1.4)

1.9 (1.5)

<0.001

HDL cholesterol

1.3 (0.3)

1.3 (0.3)

1.3 (0.3)

0.096

Fasting glucose

6.2 (2.0)

6.2 (2.0)

6.3 (2.0)

0.398

Folate, ng/ml

18.9 (15.4)

18.4 (16.0)

19.3 (15.0)

<0.001

Serum homocysteine, μmol/l

13.5 (7.2)

15.3 (9.1)

12.3 (5.2)

<0.001

eGFR, mL/(min·1.73 m2)

88.6 (14.9)

87.1 (15.3)

89.7 (14.5)

<0.001

Medication use, N (%)

Antihypertensive drugs

13,148 (97.1)

5327 (97.3)

7821 (97.0)

0.276

Glucose-lowering drugs

727 (5.5)

209 (3.9)

518 (6.6)

<0.001

  1. BMI body mass index, DBP diastolic blood pressure, eGFR estimated glomerular filtration rate, SBP systolic blood pressure
  2. aVariables are presented as mean (SD) or n (%)