Table 3. 5-D scores in different categories of PHQ-9 and DLQI scores.

DLQI: Dermatology Life Quality Index; PHQ-9: Public Health Questionnaire; ANOVA: Analysis of Variance

Parameter	PHQ-9 categories (n=173)					One-way ANOVA (p-value)
	No depression	Mild	Moderate	Moderately severe	Severe
Number of patients	106 (61.3%)	31 (17.9%)	21 (12.1%)	12 (6.9%)	3 (1.7%)
5-D itch score	8.1±1.8	10.7±2.5	13.1±3.7	17.6±4.8	19.5±5.8	0.001
DLQI categories (n=85)
Parameter	No effect	Small	Moderate	Large	Extremely large	One-way ANOVA (p-value)
Number of patients	16 (18.8%)	20 (23.5%)	29 (34.1%)	14 (16.5%)	6 (7.1%)
5-D itch score	10.2±2.7	12.7±3.2	15.1±4.7	18.3±4.9	20.2±5.6	0.005