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Table 1 Baseline characteristics of participants encoding ε2, ε3 and ε4 alleles of the APOE polymorphism.

From: APOE polymorphism is associated with lipid profile, but not with arterial stiffness in the general population

Subject Characteristics n, (%)

ε2 180 (12.3%)

ε3 893 (61.1%)

ε4 388 (26.6%)

p value

Gender, male

76 (42.2%)

433 (48.5%)

169 (43.6%)

0.13

Ethnicity

    

   African descendent

19 (15.6%)

63 (51.6%)

40 (32.8%)

 

   Caucasian descendent

50 (9.1%)

367 (67.0%)

131 (23.9%)

0.002

   Mulatto

111 (14.1%)

463 (58.5%)

217 (27.4%)

 

Smoking status, smokers (%)

43 (23.9%)

211 (23.6%)

101 (26.0%)

0.66

Diabetes (%)

13 (7.2%)

70 (7.8%)

34 (8.7%)

0.81

Age, years

43.8 ± 10.6

45.1 ± 10.9

44.5 ± 10.8

0.28

BMI, kg/m2

25.8 ± 4.7

26.3 ± 4.9

26.4 ± 4.9

0.27

SBP, mmHg

125.9 ± 19.7

128.1 ± 21.5

129.4 ± 22.6

0.15

DBP, mmHg

83.3 ± 13.9

84.5 ± 14.1

85.1 ± 14.1

0.34

PP, mmHg

42.6 ± 11.4

43.7 ± 13.7

44.3 ± 14.3

0.34

MBP, mmHg

97.5 ± 15.2

99.0 ± 15.8

99.8 ± 16.1

0.21

PWV, m/s

10.0 ± 2.1

9.8 ± 2.2

9.8 ± 2.1

0.66

Triglycerides, mg/dL

133.7 ± 99.1

133.9 ± 124.4

145.9 ± 148.6

0.28

Total cholesterol, mg/dL

201.4 ± 50.6

215.2 ± 48.3*

218.6 ± 44.6†

< 0.001

HDL - C, mg/dL

48.8 ± 14.6

45.5 ± 12.7*

43.2 ± 10.1†‡

< 0.001

LDL - C, mg/dL

125.3 ± 35.8

143.6 ± 38.9*

147.9 ± 39.6†

< 0.001

VLDL - C, mg/dL

25.3 ± 17.2

25.5 ± 22.9

26.2 ± 15.5

0.81

Total cholesterol/HDL - C ratio

4.3 ± 1.4

5.0 ± 1.5*

5.3 ± 1.5†

< 0.001

LDL - C/HDL - C ratio

2.8 ± 1.0

3.4 ± 1.2*

3.6 ± 1.3†‡

< 0.001

Glucose, mg/dL

103.9 ± 30.1

105.8 ± 33.0

104.4 ± 31.0

0.64

Creatinine, mg/dL

0.99 ± 0.19

0.97 ± 0.20

0.96 ± 0.20

0.16

Uric acid, mg/dL

4.7 ± 1.4

4.8 ± 1.5

5.0 ± 1.6†

0.04

  1. BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure; PP, pressure pulse; MBP, mean blood pressure; PWV, pulse wave velocity; HDL - C, high-density lipoprotein cholesterol; LDL - C, low-density lipoprotein cholesterol; VLDL - C, very-low-density lipoprotein cholesterol.
  2. ε2 allele = ε2/ε2 + ε2/ε3 genotypes; ε3 allele = ε3/ε3 genotype; ε4 allele = ε3/ε4 + ε4/ε4 genotypes
  3. * ε2 vs ε3, p < 0.05; † ε2 vs ε4, p < 0.05; ‡ ε3 vs ε4, p < 0.05.
  4. All values were adjusted for ethnicity, age and gender except the PWV was adjusted for age, SBP and ethnicity.