The Egyptian Journal of Neurology, Psychiatry and Neurosurgery

Table 2 SSEP in patients and control groups

From: Electrophysiological characteristics and anatomical differentiation of epileptic and non-epileptic myoclonus

	Patients (N = 50)	Control (N = 30)	P
Age	39.30 ± 15.73	35.20 ± 8.64	0.137
Right median nerve
N20 amplitude	1.94 ± .71	2.17 ± .83	0.184
N20 latency	23.25 ± .16	23.27 ± .15	0.557
P24 amplitude	8.27 ± 13.67	2.70 ± .83	0.006*
P24 latency	25.08 ± .49	25.16 ± .17	0.245
N33 amplitude	10.07 ± 15.36	3.97 ± 1.27	0.033*
N33 latency	33.97 ± .43	34.08 ± .20	0.173
P24–N33 complex amp	18.36 ± 28.98	5.78 ± 1.98	0.004*
Left median nerve
N20 amplitude	1.95 ± .72	2.04 ± .71	0.570
N20 latency	23.23 ± .13	23.23 ± .15	0.986
P24 amplitude	8.16 ± 11.48	2.36 ± .87	0.001*
P24 latency	25.03 ± .45	25.17 ± .17	0.058
N33 amplitude	10.17 ± 13.54	3.54 ± 1.25	0.001*
N33 latency	33.97 ± .50	34.08 ± .19	0.160
P24–N33 complex amp	18.34 ± 25.01	5.70 ± 2.00	0.001*

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