Observational Study
Copyright ©The Author(s) 2020.
World J Diabetes. Jul 15, 2020; 11(7): 309-321
Published online Jul 15, 2020. doi: 10.4239/wjd.v11.i7.309
Table 1 The median of the parameters and the correlation between neuropathy clinical scores and biochemical parameters, visfatin, and oxidative stress biomarkers
SPNSQ score, 5.66 ± 3.64MNSI q, 4.5 ± 2.28MNSI exam, 2.42 ± 1.99
Glucose, mg/dL, 154.0 ± 57.5P = 0.099, r = 0.084P = 0.110, r = 0.081P = 0.110, r = 0.081
HbA1c, 7.68 ± 1.52P = 0.099, r = 0.084P = 0.062, r = 0.094bP < 0.01, r = 0.170
Creatinine, mg/dL, 0.81 ± 0.13P = 0.017, r = -0.121P = 0.053, r = -0.098P = 0.143, r = 0.074
ALT, U/L, 22.3 ± 12.8P = 0.177, r = 0.000P = 0.518, r = 0.033P = 0.585, r = 0.028
AST, U/L, 18.6 ± 7.8P = 0.587, r = 0.028P = 0.676, r = 0.021P = 0.810, r = -0.012
LDL cholesterol, mg/dL, 118.12 ± 28.00P = 0.077, r = 0.090P = 0.151, r = 0.073P = 0.868, r = 0.008
Triglycerides, mg/dL, 160.3 ± 85.0P =0.123, r = 0.078P = 0.355, r = 0.047P = 0.994, r = 0.000
Vitamin B12, pg/mL, 425.5 ± 32.0aP < 0.05, r = 0.132P = 0.062, r = 0.095P = 0.049, r = 0.100
Visfatin, pg/mL, 19.34 ± 8.07P = 0.579, r = 0.028P = 0.330, r = 0.049aP < 0.05, r = 0.122
TOS, μmol H2O2/L, 12.91 ± 1.92P = 0.417, r = 0.041P = 0.340, r = 0.048aP < 0.05, r = 0.155
TAS, mmol Trolox Eq./L, 0.87 ± 0.14P = 0.385, r = 0.044P = 0.160, r = -0.071aP < 0.05, r = -0.127
OSI (Arbitrary units), r = 0.20, 15.29 ± 4.12P = 0.283, r = 0.054P = 0.170, r = 0,069bP < 0.01, P = 0.000
Total thiol, mmol/L, 0.51 ± 0.05P = 0.070, r = -0.092P = 0.053, r = -0.098P = 0.251, r = -0.05
Native thiol, mmol/L, 0.35 ± 0.05P = 0.822, r = 0.011P = 0.903, r = -0.006P = 0.864, r = -0.009
Thiol-disulfide, mmol/L, 0.08 ± 0.03P = 0.059, r = -0.096P = 0.069, r = -0.092P = 0.270, r = -0.056
Table 2 The correlation between the Michigan Neuropathy Screening Instrument neuropathy scores and visfatin with oxidative stress biomarkers
MNSI q < 7MNSI q ≥ 7P valueMNSI exam < 2.5MNSI exam ≥ 2.5P value
Visfatin19.15 ± 7.9320.08 ± 8.620.35718.32 ± 6.9720.64 ± 9.16< 0.01
TOS12.88 ± 1.9013.04 ± 2.010.48612.64 ± 1.6313.26 ± 2.20< 0.05
TAS0.88 ± 0.140.85 ± 0.130.1020.88 ± 0.120.85 ± 0.15< 0.05
OSI15.14 ± 4.0915.84 ± 4.230.17814.62 ± 3.4516.64 ± 4.72< 0.01
Total thiol0.51 ± 0.000.51 ± 0.050.3850.52 ± 0.050.51 ± 0.050.228
Native thiol0.35 ± 0.050.34 ± 0.060.5700.35 ± 0.050.35 ± 0.060.638
Thiol-disulfide0.08 ± 0.030.08 ± 0.030.8500.08 ± 0.030.08 ± 0.030.399
Table 3 The median of the parameters and the correlation between glucose, serum oxidative stress biomarkers, and visfatin with thiol groups
Visfatin, 19.34 ± 8.07Total thiol, 0.51 ± 0.05Native thiol, 0.35 ± 0.05Thiol-disulfide, 0.08 ± 0.03
Glucose, 154.0 ± 57.5P < 0.05, r = 0.537P < 0.01, r = -0.2041P < 0.051, r = -0.4521P < 0.01, r = 0.206
HbA1c, 7.68 ± 1.52P < 0.05, r = 0.753P < 0.01, r = -0.3511P < 0.051, r = -0.5971P < 0.01, r = 0.194
TOS, 12.91 ± 1.92P < 0.05, r = 0.407P < 0.05, r = -0.2361P < 0.051, r = -0.3521P < 0.01, r = 0.094
TAS, 0.87 ± 0.14P < 0.05, r = -0.4991P < 0.01, r = 0.243P < 0.05, r = 0.408P < 0.01, r = -0.1341
OSI, 15.29 ± 4.12P < 0.05, r = 0.587P < 0.05, r = -0.3221P < 0.051, r = -0.4851P < 0.01, r = 0.132
VisfatinP < 0.01, r = -0.3381P < 0.011, r = -0.4481P = 0.092