The Egyptian Journal of Neurology, Psychiatry and Neurosurgery

Table 4 Comparison between patient and control groups as regards the visual evoked potential (VEP)

From: Electrophysiological biomarkers of central nervous system affection in cases of chronic obstructive pulmonary disease (COPD)

		COPD		Control		P
		Mean	SD	Mean	SD	P
Right P100	Latency (ms)	107.9	8.1	95.36	3,45	0.005*
Right P100	Amplitude (μv)	4.39	0.63	4.95	0.32	< 0.001*
Left P100	Latency (ms)	109.27	6.49	95.8	1.88	0.006*
Left P100	Amplitude (μv)	4.39	0.69	5.03	0.33	< 0.001*

*significant

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