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Table 1 Serial nerve conduction study findings

From: Chronic inflammatory demyelinating polyneuropathy-like neuropathy as an initial presentation of Crohn’s disease

Nerve

1st admission (2012.5.15)

2nd admission (2012.7.19)

3rd admission (2012.11.28)

After appendectomy (2013.6.18)

Median motor, right

    

 CMAP amplitude (mV)

6.1

2.5

4.6

5.1

 Distal latency (m/s)

4.92

11.4

15.3

5.8

 NCV (m/s)

32.2

16.9

14.5

20.7

 F-wave latency (m/s)

40.1

33.4

Absent

61.9

Ulnar motor, right

    

 CMAP amplitude (mV)

9.4

6

3.8

5.3

 Distal latency (m/s)

3.27

8.4

9.89

4.8

 NCV (m/s)

32.7

21.3

12

17.8

 F-wave latency (m/s)

33.6

41.4

Absent

64

Peroneal motor, right

    

 CMAP amplitude (mV)

0.62

No response

No response

0.37

 distal latency (m/s)

9.43

No response

No response

9.9

 NCV (m/s)

27.3

No response

No response

17.7

 F-wave latency (m/s)

80.4

Absent

Absent

Absent

Tibial motor, right

    

 CMAP amplitude (mV)

3.0

0.56

0.38

2.1

 distal latency (m/s)

5.63

13.6

29.9

9.1

 NCV (m/s)

49.6

46.9

35.8

26.3

 F-wave latency (m/s)

60.2

49.3

Absent

83.6

Median sensory, right

    

 SNAP amplitude (mV)

No response

No response

No response

No response

 NCV (m/s)

No response

No response

No response

No response

Sural sensory, right

    

 SNAP amplitude (μV)

17.8

No response

No response

No response

 NCV (m/s)

17.9

No response

No response

No response

  1. Abnormal values are shown in bold.
  2. CMAP: compound muscle action potential, SNAP: sensory nerve action potential, NCV: nerve conduction velocity.