Clinical and neurophysiological correlation in axonal and demyelinating polyneuropathy

Bulletin of the National Research Centre

Table 8 Correlations between compound muscle action potential amplitude in each tested nerve and the strength of their muscular counterparts (MRC grade) in axonal and demyelinating polyneuropathy

Nerve	r	p value
Axonal polyneuropathy
Median nerve	0.621	0.000*
Ulnar nerve	0.688	0.000*
Peroneal nerve	0.376	0.049*
Tibial nerve	0.513	0.004*
Demyelinating polyneuropathy
Median nerve	0.522	0.011*
Ulnar nerve	0.436	0.038*
Peroneal nerve	0.830	0.000*
Tibial nerve	0. 830	0.000*