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Table 3 Nerve conduction study of patients

From: Impact of vitamin D level in diabetic people with peripheral neuropathy

Item

Group A (n = 20)

Group B (n = 20)

Group C (n = 20)

Group D (n = 20)

 

n

%

n

%

n

%

n

%

Lower limb nerves

 Absent sural SNAP

20

100

20

100

20

100

0

0

Peroneal CMAP

 Normal

12

60

0

0

0

0

20

100

 Reduced

7

35

10

50

5

25

0

 

 Absent

1

5

10

50

15

75

0

 

Tibial CMAP

 Normal

16

80

5

25

3

15

20

100

 Reduced

4

20

11

55

8

40

0

 

 Absent

0

0

4

20

9

45

0

 

Upper limb nerves

 Median CMAP

  Normal

17

85

13

65

11

55

20

100

  Reduced

3

15

7

35

9

45

  

 Ulnar CMAP

  Normal

19

95

18

90

15

75

20

100

  Reduced

1

5

2

10

5

25

  

Affected median SNAP

3

15

4

20

4

20

1

5

Affected ulnar SNAP

1

5

3

15

3

15

0

100

  1. SNAP: sensory nerve action potential; CMAP: compound motor action potential