TABLE 2.

Baseline characteristics of patients by presence of acne in each facial area.

	19 years and under (n = 66)	20–34 years (n = 189)	Over 35 years (n = 49)	p*
Sex
Male	35 (53.03%)	84 (44.44%)	15 (30.61%)	0.0561
Female	31 (46.97%)	105 (55.56%)	34 (69.39%)
Common acne location
T‐zone	56 (84.85%)	126 (66.67%)	16 (32.65%)	< 0.0001
Hairline	44 (66.67%)	87 (46.03%)	8 (16.33%)	< 0.0001
Cheek	59 (89.39%)	159 (84.13%)	31 (63.27%)	0.0007
Jawline	28 (42.42%)	108 (57.14%)	42 (85.71%)	< 0.0001
Acne type
Mixed	46 (69.70%)	111 (58.73%)	16 (32.65%)
Non‐mixed	20 (30.30%)	78 (41.27%)	33 (67.35%)	0.0003
Retinoid
Retinoid	30 (45.45%)	99 (52.38%)	28 (57.14%)	0.4389
Non‐retinoid	51 (77.27%)	126 (66.67%)	27 (55.10%)	0.0427

Note: N(%), # = comedonal/2 = inflammatory/4 = nodulocystic, *chi‐square test.