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Table 1 Participants characteristics

From: U-shaped association between low-density lipid cholesterol and diabetes mellitus in patients with hypertension

Characteristics

Overall

LDL-C, mmol/L

< 3.4

3.4 to 4.1

≥4.1

P-value

No. of participants

9892

5038

2847

2007

 

Demographics

 Age, y

62.9 ± 13.7

61.9 ± 14.3

62.9 ± 13.4

65.2 ± 12.4

< 0.001

 Male

4921 (49.7%)

2651 (52.6%)

1420 (49.9%)

850 (42.4%)

< 0.001

 Smoking

2622 (26.5%)

1328 (26.4%)

773 (27.2%)

521 (26.0%)

0.615

 Alcohol use

1388 (14.0%)

686 (13.6%)

452 (15.9%)

250 (12.5%)

0.002

 BMI, kg/m2

24.8 ± 3.85

24.8 ± 3.89

24.8 ± 3.75

25.0 ± 3.90

0.028

 Waist circumference

88.0 ± 9.63

87.8 ± 9.79

88.0 ± 9.40

88.6 ± 9.52

0.016

Comorbidity

 Stroke

205 (2.1%)

134 (2.7%)

45 (1.6%)

26 (1.3%)

< 0.001

 Coronary artery disease

161 (1.6%)

103 (2.0%)

26 (0.9%)

32 (1.6%)

< 0.001

 Diabetes mellitus

2341 (23.7%)

1298 (25.8%)

599 (21.0%)

444 (22.1%)

< 0.001

 Dyslipidemia

5811 (58.7%)

2604 (51.7%)

1200 (42.1%)

2007 (100%)

< 0.001

  TC ≥ 6.2 mmol/L

1995 (20.2%)

85 (1.7%)

344 (12.1%)

1566 (78.0%)

< 0.001

  TG ≥ 2.3 mmol/L

2165 (21.9%)

1047 (20.8%)

647 (22.7%)

471 (23.5%)

0.021

  HDL-C < 1.0 mmol/L

1288 (13.0%)

888 (17.6%)

291 (10.2%)

109 (5.4%)

< 0.001

Medication

 β-blockers

721 (7.3%)

439 (8.7%)

168 (5.9%)

114 (5.7%)

< 0.001

 Calcium channel blockers

3139 (31.7%)

1730 (34.3%)

882 (31.0%)

527 (26.3%)

< 0.001

 ACEI/ARB

4315 (43.6%)

2417 (48.0%)

1156 (40.6%)

742 (37.0%)

< 0.001

 Statin

1898 (19.2%)

1415 (28.1%)

316 (11.1%)

167 (8.3%)

< 0.001

Blood pressure, mm Hg

 Systolic

132 ± 16.2

131 ± 15.8

132 ± 16.3

133 ± 17.0

< 0.001

 Diastolic

80.8 ± 15.1

80.5 ± 14.1

81.4 ± 18.9

80.7 ± 11.1

0.04

Biomarkers

 TC,mmol/L

5.31 ± 1.16

4.51 ± 0.742

5.66 ± 0.558

6.83 ± 0.866

< 0.001

 TG,mmol/L

1.83 ± 1.58

1.82 ± 1.73

1.83 ± 1.37

1.88 ± 1.46

< 0.001

 LDL-C,mmol/L

3.40 ± 0.927

2.69 ± 0.483

3.72 ± 0.221

4.75 ± 0.586

< 0.001

 HDL-C,mmol/L

1.35 ± 0.365

1.32 ± 0.365

1.35 ± 0.318

1.41 ± 0.419

< 0.001

 FBG,mmol/L

5.35 ± 1.81

5.35 ± 1.79

5.27 ± 1.68

5.47 ± 2.05

0.007

 eGFR,ml/min/1.73m2

88.4 ± 26.0

89.4 ± 27.4

88.3 ± 24.8

86.0 ± 24.0

< 0.001

  1. BMI indicates body mass index; ACEI, angiotensin-converting enzyme inhibitors; ARB, angiotensin-receptor blockers; TC, total cholesterol; TG, triglyceride; LDL-C, low density lipoprotein-cholesterol; HDL-C, high density lipoprotein-cholesterol; FBG, fasting blood glucose; eGFR, estimated glomerular filtration rate
  2. Values for categorical and continuous variables are given as numbers (percentages) and as means ± standard deviation, respectively