Relationship between diabetic polyneuropathy, serum visfatin, and oxidative stress biomarkers

Table 2 The correlation between the Michigan Neuropathy Screening Instrument neuropathy scores and visfatin with oxidative stress biomarkers

	MNSI q < 7	MNSI q ≥ 7	P value	MNSI exam < 2.5	MNSI exam ≥ 2.5	P value
Visfatin	19.15 ± 7.93	20.08 ± 8.62	0.357	18.32 ± 6.97	20.64 ± 9.16	< 0.01
TOS	12.88 ± 1.90	13.04 ± 2.01	0.486	12.64 ± 1.63	13.26 ± 2.20	< 0.05
TAS	0.88 ± 0.14	0.85 ± 0.13	0.102	0.88 ± 0.12	0.85 ± 0.15	< 0.05
OSI	15.14 ± 4.09	15.84 ± 4.23	0.178	14.62 ± 3.45	16.64 ± 4.72	< 0.01
Total thiol	0.51 ± 0.00	0.51 ± 0.05	0.385	0.52 ± 0.05	0.51 ± 0.05	0.228
Native thiol	0.35 ± 0.05	0.34 ± 0.06	0.570	0.35 ± 0.05	0.35 ± 0.06	0.638
Thiol-disulfide	0.08 ± 0.03	0.08 ± 0.03	0.850	0.08 ± 0.03	0.08 ± 0.03	0.399

MNSI q: Michigan Neuropathy Screening Instrument questionnaire; MNSI exam: Michigan Neuropathy Screening Instrument examination; TOS: Total oxidant status; TAS: Total antioxidant status; OSI: Oxidative stress index.