Cognitive Impairment in Opium Use Disorder

Table 1

Demographic and clinical characteristics of opium users and HCs.

	Opium users ()	HCs ()	value
Age ()			0.004^a
Gender (male/female)	25/5	15/5	0.470^b
Education (%)			0.506^c
Not educated	1 (3.33%)	0 (0%)
Elementary	6 (20%)	2 (10%)
Middle school	1 (3.33%)	2 (10%)
Diploma	11 (36.66%)	5 (25%)
College student	4 (13.33%)	6 (30%)
Bachelor student	7 (23.33%)	5 (25%)
Duration of use (median [IQR])	9 [5-10.75]
Route of opium usage (%)
Inhalation/oral	17 (56.6%)
Oral	13 (43.3%)
Opium use quantity (median [IQR])	13.08 [7.99-22.62]
Lead level (median [IQR])	4.4 [3-6.8]

^aStudent -test. ^bChi-square test. ^cFisher-exact test. .