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Table 2 Relationship between the standard deviation (SD) of Motor Nerve Distal Latency (MNLd) and Index of Terminal latency (ITL) in 13 cases and 41 hand ENG evaluations

From: Early detection of median nerve compression by Electroneurography can improve outcome in children with Mucopolysaccharidoses

SD ¥ of MNL d

MNCV p (m/s)

MNCV d (m/s)

ITL

Case

Hand

0.0

55.0 (-0.5 SD)

20

0.36

6

Right

0.0

51.0 (+0.5 SD)

17

0.33

12

Right

0.0

53.0 (0 SD)

18

0.36

13a

Right

0.0

43.0 (-0.5 SD)

17

0.40

12

Left

0.0

ND

18

 

2a

Left

0.5

ND

25

 

13b

Right

0.5

ND

23

 

13b

Left

0.8

47.9 (-2 SD)

18

0.38

2b

Left

1.0

58.2 (0 SD)

29

0.50

2b

Right

1.0

54.3 (-0.5 SD)

17

0.31

4

Right

1.0

56.5 (0 SD)

16

0.28

3b

Left

1.0

46.9 (-2 SD)

15

0.32

5c

Left

1.0

52.0 (-1 SD)

17

0.33

13c

Left

1.5

55.9 (-0.5 SD)

15

0.27

3b

Right

1.5

55.0 (-0.5 SD)

16

0.29

6

Left

2.0

47.2 (-2 SD)

11

0.23

7

Left

2.0

50.7 (-1 SD)

13

0.26

7

Left

2.5

ND

11

 

8

Left

2.5

ND

13

 

1a

Right

2.5

60.0 (0 SD)

13

0.21

13c

Right

3.0

ND

11

 

8

Right

3.0

ND

12

 

1c

Right

3.0

ND

13

 

2a

Right

3.0

49.7 (-2 SD)

10

0.20

5c

Right

3.0

ND

12

 

10

Right

3.0

ND

13

 

1a

Left

3.0

59.0 (0 SD)

13

0.22

11

Left

3.5

ND

12

 

1b

Right

4.0

57.0 (0 SD)

12

0.20

9

Left

4.5

54.0 (0 SD)

8

0.15

11

Right

5.0

56.0 (0 SD)

8

0.14

9

Right

5.0

ND

6

 

3a

Left

5.0

45.0 (-2.5 SD)

11

0.24

4

Left

6.0

50.0 (-2 SD)

6

0.12

3a

Right

6.0

ND

6

 

1b

Left

7.0

ND

7

 

1c

Left

7.0

ND

10.2

 

10

Left

13.0

25.0 (-4 SD)

4

0.16

5a

Left

14.0

43.0 (-1 SD)

4.5

0.10

5b

Right

14.0

33.0 (-3 SD)

4.5

0.14

5b

Left

18.0

28.5 (-3 SD)

4

0.14

5a

Right

  1. SD Standard deviation, SD¥ Standard deviation of Distal Motor latency, MNCVp,d Motor Nerve Conduction Velocity; distal, proximal, ND not done, Left Left arm, Right Right arm
  2. a: 1st evaluation; b: 2nd evaluation; c: 3rd evaluation