Table 3. Comparison between psoriasis and control groups according to AHR and CYP1A1 expression.

Variable	Psoriasis group (n=24)	Control group (n=10)	p-value
AHR expression
Intensity			<0.001*
None	0 (0)	7 (70.0)
Mild	3 (12.5)	3 (30.0)
Moderate	9 (37.5)	0 (0)
Strong	12 (50.0)	0 (0)
Distribution			<0.001*
Negative	0 (0)	7 (70.0)
Basal	1 (4.2)	0 (0)
Both basal and suprabasal	21 (87.5)	3 (30.0)
Full thickness	2 (8.3)	0 (0)
CYP1A1 expression
Intensity			<0.001*
None	0 (0)	6 (60.0)
Mild	0 (0)	4 (40.0)
Moderate	7 (29.2)	0 (0)
Strong	17 (70.8)	0 (0)
Distribution			<0.001*
Negative	0 (0)	6 (60.0)
Basal	0 (0)	0 (0)
Both basal and suprabasal	17 (70.8)	4 (40.0)
Full thickness	7 (29.2)	0 (0)

Values are presented as number (%). AHR: aryl hydrocarbon receptor. ^*p<0.05.