Role of Lipid Peroxidation Products, Plasma Total Antioxidant Status, and Cu-, Zn-Superoxide Dismutase Activity as Biomarkers of Oxidative Stress in Elderly Prediabetics
Table 3
The correlations between oxidative stress markers and clinical and biochemical parameters in the studied subjects.
Variables
NGT
PRE
SOD-1
TAS
TBARS
SOD-1
TAS
TBARS
Age
−0.379
0.120
−0.258
0.301
0.341
0.166
0.245
0.218
0.024
0.907
−0.659
<0.001
BMI
0.229
0.360
−0.012
0.961
0.198
0.430
0.192
0.924
0.115
0.567
−0.437
0.023
WC
−0.174
0.491
−0.215
0.391
0.337
0.172
0.209
0.295
0.398
0.040
−0.164
0.413
FAT
−0.034
0.893
−0.106
0.675
0.242
0.332
0.200
0.585
0.042
0.835
−0.366
0.061
SBP
−0.028
0.912
−0.203
0.418
0.229
0.360
−0.159
0.429
0.113
0.574
0.057
0.777
DBP
0.017
0.946
−0.105
0.677
−0.044
0.863
−0.068
0.738
0.185
0.357
−0.204
0.307
G0′
0.189
0.453
0.130
0.607
0.032
0.900
−0.318
0.106
−0.080
0.693
0.407
0.035
G120′
−0.057
0.823
−0.118
0.639
0.358
0.144
0.062
0.759
−0.029
0.886
0.314
0.110
Ins 0′
−0.154
0.542
−0.349
0.155
0.120
0.636
−0.052
0.794
0.422
0.025
−0.403
0.033
Ins 120′
−0.135
0.593
−0.244
0.328
0.253
0.311
0.214
0.273
0.104
0.597
0.177
0.368
HbA1c
−0.140
0.579
−0.003
0.990
0.351
0.153
−0.056
0.779
−0.093
0.645
0.503
0.007
T-C
0.320
0.195
0.272
0.275
−0.012
0.961
0.055
0.786
−0.200
0.317
0.186
0.354
TAG
0.020
0.936
0.041
0.872
0.118
0.642
−0.255
0.199
0.040
0.843
0.082
0.684
HDL-C
0.174
0.489
0.236
0.345
−0.170
0.499
−0.029
0.885
−0.568
0.002
−0.194
0.332
LDL-C
0.376
0.123
0.234
0.349
−0.141
0.576
0.173
0.387
−0.025
0.902
0.222
0.266
SOD-1
—
—
0.864
<0.001
−0.416
0.086
—
—
0.225
0.258
−0.052
0.795
TAS
0.864
<0.001
—
—
−0.178
0.478
0.225
0.258
—
—
−0.221
0.267
TBARS
−0.416
0.086
−0.178
0.478
—
—
−0.052
0.795
−0.221
0.267
—
—
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.
