Table 1.

EDX score.

	Score 1	Score 2	Score 3	Score 4	Normal values*
DML (ms)	30–50	50–70	≥ 70%	NA	MN ≤ 4
					UN ≤ 3,5
					TN et PN ≤ 5,5
MCV (m/s)	30	30–50	≥ 50%	NA	UL > 45
					LL > 40
cMAP (mV)	≤ 50	50–70	≥ 70%	NR	MN > 6
					UN > 7
					TN > 5
					PN > 3
CB	≥ 50%	NA	NA	NA	NA

MN median nerve, UN ulnar nerve, TN tibial nerve, PN peroneal nerve, UL upper limbs, LL lower limbs, DML distal motor latency, MCV motor conduction velocity, cMAP compound motor action potential, CB conduction block, ms milliseconds, m/s meter/second, mV millivolts, NA not applicable, NR no response

*values used in our laboratory.