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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