The Egyptian Journal of Otolaryngology

Table 3 Comparison between study group and control group as regards cortical auditory evoked potential (CAEP) parameters

From: Evaluation of N1-P2 cortical auditory evoked potential results in adult stutterers

CAEP	Study group (n = 40)			Control group (n = 40)
	Mean	±	SD	Mean	±	SD	P value
	Min	–	Max	Min	–	Max	P value
Latency (msec)
N1	121.50	±	9.31	116.03	±	6.17	0.007*
N1	107.20	–	140.20	101.90	–	129.30	0.007*
P2	146.29	±	13.81	137.95	±	6.45	0.008*
P2	124.40	–	175.90	124.40		156.40	0.008*
Peak to peak amplitude (µV)
N1-P2	2.55	±	0.79	2.56	±	0.53	0.460
N1-P2	2.00	–	5.00	2.00	–	4.00	0.460

P p value for comparing between the studied groups by Mann–Whitney U test
^*p value < 0.05 is significant

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