Predictive value of P300 event-related potential component in early cognitive impairment in patients with uncomplicated newly diagnosed hepatitis C virus

Table 1 Socio-demographic data among studied groups

Socio -demographic data	Cases group (n = 50)	Control group (n = 50)	Test of significance	P-value
Age/years
Mean ± SD	34.40 ± 9.56	34.68 ± 9.18	t = 0.149	0.882
Min–Max	20–50	22–50
Sex
Male	28 (56%)	26 (52%)	χ² = 0.161	0.688
Female	22 (44%)	24 (48%)
Marital status
Single	22 (44%)	20 (40%)	χ² = 0.164	0.685
Married	28 (56%)	30 (60%)
Occupation
Non worker/housewife	20 (40%)	24 (48%)
Office worker	13 (26%)	16 (32%)	χ² = 2.48	0.288
Manual worker	17 (34%)	10 (20%)
Education
Primary school	8 (16%)	7 (14%)
Secondary school	14 (28%)	12 (24%)	χ² = 0.446	0.93
Tertiary school	9 (18%)	11 (22%)
University education	19 (38%)	20 (40%)
Impaired cognition
Number (%) (MMSE ≤ 23)	7 (14%)	0	-	-