The Egyptian Journal of Neurology, Psychiatry and Neurosurgery

Table 4 P300 parameters in patients with multiple sclerosis according to their cognition

From: P300 event-related potentials in patients with multiple sclerosis

Variables	Cognition		P value
Variables	Impaired (n = 24)	Intact (n = 26)	P value
P 300 latency (ms)
Mean ± SD	372.92 ± 30.22	307.72 ± 5.76	< 0.001
Range	300–417	294–318	< 0.001
P 300 amplitude (µV)
Mean ± SD	5.95 ± 2.34	9.58 ± 1.11	< 0.001
Range	2.08 ± 9.8	8.1–12	< 0.001

Significant values (p value < 0.05) are given in bold

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