Japanese version of the Dermatology Life Quality Index: validity and reliability in patients with acne

Table 1 Characteristic of patients

	Characteristics
Mean age (years)		24.8 (7.4)
Females (%)		77.2
Type of acne (%)	Acne vulgaris	78.7
	Acne pustulosa	11.7
	Acne conglobata	4.6
Duration of acne (months)		47.8
Chronic condition (%)		44.2
Severity (%)	Mild	59.3
	Moderate	37.0
	Severe	3.7
Type of treatment	Oral
	Antimicrobial (%)	45.2
	Vitamin(except vitamin A, %)	52.8
	Other (%)	10.7
	Topical
	Antimicrobial (%)	67.0
	Nonsteroidal anti-inflammatory (%)	9.1
	Other (%)	20.8

Data from 204 patients who were at least 16 years old and had come for treatment of acne on an outpatient basis to Departments of Dermatology at 9 hospitals.