Role of Lipid Peroxidation Products, Plasma Total Antioxidant Status, and Cu-, Zn-Superoxide Dismutase Activity as Biomarkers of Oxidative Stress in Elderly Prediabetics
Table 2
The characteristics of the study groups. Data are presented as mean ± SD for Gaussian distribution and median with interquartile range for the non-Gaussian distribution.
Total
NGT
PRE
Age (years)
70.0 (67.0–74.0)
69.0 (66.0–73.0)
71.0 (67.0–75.0)
BMI (kg·m−2)
28.0 (26.0–30.8)
26.0 (24.0–28.5)
29.3 (26.5–34.2)*
WC (cm)
92.0 (83.0–98.0)
84.5 (78.0–92.0)
94.0 (88.0–104.0)*
FAT (%)
37.2 +/− 15.2
34.4 +/− 18.4
38.6 +/− 12.8
SBP (mmHg)
140.0 (130.0–145.0)
132.5 (125.0–145.0)
140.0 (135.0–145.0)
DBP (mmHg)
80.0 (75.0–90.0)
85.0 (80.0–90.0)
80.0 (70.0–85.0)
G0′ (mmol·L−1)
5.71 (5.17–6.35)
5.13 (4.97–5.39)
6.19 (5.83–6.44)
G120′ (mmol·L−1)
6.67 (5.56–7.50)
5.62 (5.03–6.67)
7.22 (5.70–8.5)
Ins 0′ (mU·L−1)
30.83 (16.39–34.66)
29.25 (16.39–31.93)
32.85 (16.54–37.44)
Ins 120′ (mU·L−1)
60.41 (27.65–90.97)
62.68 (49.29–81.66)
56.38 (27.51–120.64)
HbA1c (%)
5.99 (5.60–6.40)
5.80 (5.60–6.10)
6.20 (5.50–6.50)
T-C (mmol·L−1)
5.13 (4.64–5.70)
5.71 (4.79–5.78)
5.05 (4.61–5.67)
TAG (mmol·L−1)
0.94 +/− 0.75
1.24 +/− 0.59
1.32 +/− 0.85
HDL-C (mmol·L−1)
1.66 (1.41–1.79)
1.71 (1.48–1.81)
1.65 (1.29–1.78)
LDL-C (mmol·L−1)
2.90 (2.49–3.46)
3.11 (2.58–3.54)
2.79 (2.45–3.24)
SOD-1 (U·gHGB−1)
1049.9 (886.7–1257.9)
1208.6 (1002.4–1623.0)
980.4 (841.7–1137.2)*
TAS (mmol·L−1)
1.338 (1.228–1.510)
1.341 (1.280–1.717)
1.303 (1.154–1.401)*
TBARS (mol·L−1)
2.082 (1.737–2.416)
1,902 (1.722–2.088)
2.189 (1.770–2.952)
Significant difference, as compared to NGT group. NGT: normal glucose tolerance, PRE: prediabetes states, FAT: percentage of body fat, BMI: body mass index, WC: waist circumference, SBP: systolic blood pressure, DBP: diastolic blood pressure, G0′: fasting glucose, G120′: glucose at 120 min of oral glucose tolerance test (OGTT), Ins 0′: fasting insulin, Ins 120′: insulin at 120 min of OGTT, HbA1c: glycated hemoglobin, T-C: total cholesterol, TAG: triacylglycerols, HDL-C: high density lipoprotein cholesterol, LDL-C: low density lipoprotein cholesterol, SOD-1: Cu-, Zn-superoxide dismutase, TAS: total antioxidant status, and TBARS: thiobarbituric acid-reacting substances.
