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Table 1 Basic characteristics of cohort I (subsample of the popgen control cohort)

From: Ubiquinol reduces gamma glutamyltransferase as a marker of oxidative stress in humans

  All (n = 383) Males (n = 199) Females (n = 184)
Age [years] 40.0 ± 10.9 40.5 ± 10.5 38.7 ± 11.2
Body mass index [kg/m 2 ] 26.2 ± 4.7 26.2 ± 3.9 25.7 ± 5.2**
CoQ 10 [μmol/l] 0.94 ± 0.34 0.96 ± 0.36 0.87 ± 0.29*
Ubiquinol [μmol/l] 0.12 ± 0.05 0.12 ± 0.04 0.11 ± 0.04
Ubiquinone [μmol/l] 0.82 ± 0.30 0.84 ± 0.33 0.76 ± 0.25*
CoQ 10 redox state [%] 12.5 ± 2.6 12.2 ± 2.5 12.7 ± 2.7
Gamma GT [U/l] 18.8 ± 8.4 22.5 ± 8.3 14.7 ± 6.3***
C-reactive protein[mg/l] 2.24 ± 3.36 1.58 ± 1.92 2.47 ± 3.00***
Systolic BP [mm Hg] 130 ± 16 134 ± 15 125 ± 14***
Diastolic BP [mm Hg] 78 ± 9 80 ± 9 75 ± 8***
Triglycerides [mg/dl] 121.9 ± 73.3 132.1 ± 76.1 100.5 ± 50.3***
Cholesterol [mg/dl] 193.3 ± 35.7 194.3 ± 39.8 190.3 ± 28.8
LDL-cholesterol [mg/dl] 116.6 ± 32.5 122.6 ± 34.7 108.0 ± 26.1***
HDL-cholesterol [mg/dl] 62.1 ± 16.7 54.8 ± 13.4 71.1 ± 16.1***
Glucose [mg/dl] 92.5 ± 10.7 94.1 ± 11.3 90.1 ± 9.7***
  1. CoQ10 = Coenzyme Q10, Gamma GT = gamma glutamyltransferase; BP = blood pressure; LDL = low density lipoprotein, HDL = high density lipoprotein.
  2. Data are presented as mean ± SD; *p < 0.05; **p < 0.01; ***p < 0.001 significant differences between sexes, Mann–Whitney U-test.