Table 1 Baseline characteristics of the study participants according to antihypertensive agent use.

From: Optimal blood pressure for patients with chronic kidney disease: a nationwide population-based cohort study

 

Total

n = 22,278

Non-users

n = 12,174

Users

n = 10,104

Age (years)

63.3 ± 10.4

59.8 ± 10.0

67.4 ± 9.2

Men [n (%)]

10,836 (48.6)

6273 (51.5)

4563 (45.2)

Low-income status (lower 20%) [n (%)]

3008 (13.5)

1472 (12.1)

1536 (15.2)

Current smoker [n (%)]

2940 (13.2)

1926 (15.8)

1014 (10.0)

Heavy alcohol consumption [n (%)]

641 (2.9)

403 (3.3)

238 (2.4)

Regular exercise [n (%)]

4865 (21.8)

2764 (22.7)

2101 (20.8)

BMI (kg/m2)

24.3 ± 3.0

23.8 ± 2.8

24.9 ± 3.1

Waist circumference (cm)

In men

85.5 ± 7.2

84.2 ± 6.8

87.3 ± 7.4

In women

80.8 ± 8.4

78.5 ± 7.8

83.2 ± 8.3

Systolic BP (mmHg)

127.2 ± 15.6

124.2 ± 14.9

130.9 ± 15.7

Diastolic BP (mmHg)

77.8 ± 10.0

76.9 ± 9.9

79.0 ± 10.0

Fasting plasma glucose (mg/dl)

104.0 ± 28.6

100.5 ± 24.5

108.3 ± 32.2

Total cholesterol (mg/dl)

202.6 ± 39.2

206.5 ± 37.9

198.0 ± 40.2

Triglyceride (mg/dl)

150.0 ± 94.1

144.4 ± 98.5

156.7 ± 88.1

HDL-C (mg/dl)

57.0 ± 50.6

60.2 ± 60.2

53.2 ± 35.5

LDL-C (mg/dl)

120.6 ± 37.0

124.6 ± 34.7

115.8 ± 39.0

Dyslipidaemia [n (%)]

10,913 (49.0)

4783 (39.3)

6130 (60.7)

Diabetes mellitus [n (%)]

5718 (25.7)

2096 (17.2)

3622 (35.8)

Proteinuria (urine dipstick positivity) [n (%)]

1320 (5.9)

425 (3.5)

895 (8.9)

eGFR (ml/min/1.73 m2)

41.7 ± 20.8

38.2 ± 23.3

45.9 ± 16.4

Categorization according to the baseline eGFR

30 ≤ eGFR < 60 (ml/min/1.73 m2) [n (%)]

16,822 (75.5)

8118 (66.7)

8704 (86.1)

eGFR < 30 (ml/min/1.73 m2) [n (%)]

5456 (24.5)

4056 (33.3)

1400 (13.9)

  1. BMI body mass index, BP blood pressure, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, eGFR estimated glomerular filtration rate.
  2. Data are expressed as mean ± standard deviation (continuous variables) or n (%) (categorical variables).