A Novel, Hand-Held, and Low-Level Light Therapy Device for the Treatment of Acne Vulgaris: A Single-Arm, Prospective Clinical Study

Table 1

Baseline characteristics of the patients.

Variables	Total
Sex
Male	38
Female	19
Age (years)	21.67 ± 3.90
Disease duration (months)	9.53 ± 2.43
Skin phototype (Fitzpatrick)
II	10
III	33
IV	14
Inflammatory lesion counts	9.54 ± 5.26
Noninflammatory lesion counts	7.54 ± 3.85
Investigator’s Global Severity Assessment grade	2.51 ± 0.50
Grade 4 (severe)	0
Grade 3 (moderate)	29
Grade 2 (mild)	28
Grade 1 (almost clear)	0
Grade 0 (clear)	0