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Table 1 Clinical and metabolic characteristics of study participants according to fasting plasma glucose quartile (n = 697).

From: Increased arterial stiffness in healthy subjects with high-normal glucose levels and in subjects with pre-diabetes

FPG

Q1

Q2

Q3

Q4

P value

 

(n = 172)

(n = 188)

(n = 199)

(n = 138)

 

Mean FPG

77.8 ± 4.2

87.2 ± 2.0

94.7 ± 2.6

107.0 ± 6.2

<0.01

Age (y)

48.9 ± 9.0

50.6 ± 9.1

54.0 ± 8.8

54.2 ± 8.2

<0.01

Men (%)

53.1

60.9

69.1

60.8

<0.01

BMI1 (kg/m2)

22.7 ± 2.8

23.2 ± 3.1

23.8 ± 2.7

24.7 ± 2.7

<0.01

SBP2 (mmHg)

117 ± 15

118 ± 14

124 ± 15

127 ± 17

<0.01

DBP3 (mmHg)

73 ± 9

75 ± 9

78 ± 9

80 ± 10

<0.01

Resting heart rate (beats/min)

72 ± 11

73 ± 11

74 ± 11

75 ± 13

<0.05

hs-CRP4 (mg/dL)

0.91 ± 0.87

0.97 ± 1.03

1.07 ± 0.99

1.24 ± 0.98

<0.01

HDL-cholesterol (mg/dL)

54.7 ± 13.3

53.0 ± 12.9

51.0 ± 11.9

49.9 ± 11.6

<0.01

Non-HDL cholesterol (mg/dL)

134.1 ± 34.6

136.7 ± 31.9

144.5 ± 33.0

150.5 ± 38.0

<0.01

Ba-PWV(cm/s)

1303 ± 196

1328 ± 167

1384 ± 216

1469 ± 220

<0.01

Smoker5 (%)

27.9

20.1

23.1

26.1

NS8

Alcohol6 (%)

58.1

56.5

62.1

74.0

<0.01

Exercise7 (%)

76.2

71.1

80.0

75.0

NS8

  1. Data are shown as the mean ± standard deviation and percentage (%).
  2. P values were calculated using the ANOVA and X2-tests
  3. 1body mass index; 2systolic blood pressure; 3diastolic blood pressure; 4high sensitivity C-reactive protein; 5 current smokers; 6alcohol ingestion≥1 time a week; 7regular exercise ≥4 hours a week; 8Not significant