Table 1 Glycated hemoglobin, neuropathy symptom and disability scores, and autonomic nervous system assessment among diabetic neuropathy patients (group I), diabetic patients without neuropathy (group II) and healthy control (group III)

6.7–11.5

8.33 ± 1.48

6.8–8.5

7.57 ± 0.53

5.5–6.3

5.90 ± 0.26

16.18

< 0.0001*

5–9

7.1 ± 1.48

1–4

2 ± 1.05

1–3

1.6 ± 0.69

92.73

< 0.0001*

6–10

8.05 ± 1.5

1–4

2.1 ± 0.99

1–2

1.5 ± 0.52

133.6

< 0.0001*

10–40

23.3 ± 11.2

5–13

8.8 ± 2.48

5–10

6.7 ± 1.49

18.46

< 0.0001*

13–39

23.8 ± 8.03

13–26

14.3 ± 4.5

11–21

15.3 ± 2.98

6.31

0.0044*

5–16

10.7 ± 3.4

9–18

13.1 ± 2.76

9–18

13.9 ± 2.88

4.08

0.025*

1.1–1.3

1.25 ± 0.06

1.3–1.4

1.29 ± 0.04

1.2–1.4

1.29 ± 0.04

3.40

0.51