The Egyptian Journal of Otolaryngology

Table 1 Comparison between study group and control group as regards demographic data

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

	Study group (n = 40)		Control group (n = 40)		Test of sig	P value
	No	%	No	%	Test of sig	P value
Gender:
Male	28	70.0%	22	55.0%	χ2 = 1.92	0.166
Female	12	30.0%	18	45.0%	χ2 = 1.92	0.166
Age (years):
(Min.–max.)	(18–45)		(18–55)		t = − 1.06	0.292
Mean ± SD	27.70 ± 7.53		29.88 ± 10.56		t = − 1.06	0.292

χ2 chi-square test; t Student’s t test, p p value for comparing between the studied groups

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