Sensory nerve conduction study
Nerve  Distal latency (ms)  Velocity (m/s)  Amplitude (mV)
At admission  1 week later  1 month later  At admission  1 week later  1 month later  At admission  1 week later  1 month later
Median L
 Wrist  3.1 (N<4.0)  3  3  48.4 (N>45)  49.0  48.7  24.1 (N>10)  22.9  19.1
 Elbow–wrist     60.1 (N>50)  56.1  61.1  12.1  12.5  10.8
Ulnar L
 Wrist  2.1 (N<3.4)  2.2  2.2  53.7 (N>45)  56.3  53.6  16.9 (N>10)  17.2  18.9
 Elbow–wrist     66.3 (N>50)  61.0  64.6  5.9  6.3  6.1
Radial L
 Wrist  2.5 (N<2.9)  1.8  2.1  58.5 (N>50)  56.8  59.1  19.1 (N>7)  21.3  18.2
 Elbow–wrist
Peroneal L
 Malleolus  2.7 (N<6.0)  2.7  3.4  51.9 (N>40)  52.2  47.3  3.2 (N>5)  7.3  3.2
Sural L
 Ankle  2.1 (N<5.5)  2.8  2.2  46.7 (N>40)  49.6  47.7  10.4 (N>5)  11.9  13.7