TABLE 1.

Clinical and demographic characteristics of the study population [Copyright: ©2015 Navarrete-Dechent et al.]

	Intervention group	Control group	p-value
Age (years)	17.2 (3.91)	18.23 (4.78)	p=0.756
Sex (male)	20 (50%)	25 (56%)	p=0.148
Acne severity:			p=0.107
Comedogenic	9 (22.5%)	4 (10%)
Mild inflammatory	21 (52.5%)	18 (45%)
Moderately inflammatory	8 (20%)	17 (42.5%)
Severe inflammatory	2 (5%)	1 (2.5%)
Site of involvement:
Face	39 (97%)	38 (95%)	p=0.5
Thorax anterior	14 (35%)	15 (37%)	p=0.5
Back	22 (55%)	22 (55%)	p=0.589
Treatment modality:
Topical treatment	38 (95%)	38 (95%)	p=0.692
Systemic treatment	15 (37%)	16 (40%)	p=0.5
Acne duration (years):	2.5 (1.93)	2.98 (2.9)	p=0.459