Table 1.

Most frequent dermatoses in children of 0–18 years.

Diagnosis	1971–1975 N (%)	1994–2003 N (%)	P
Atopic dermatitis	1391 (12.9)	879 (14.6)	0.01
Warts	916 (8.4)	399 (6.6)	<0.01
Acne	268 (2.5)	333 (5.5)	<0.01
Pityriasis alba	718 (6.6)	240 (4.0)	<0.01
Melanocytic nevi	200 (1.8)	232 (3.8)	<0.01
Xerosis	101 (0.9)	215 (3.6)	<0.01
Keratosis pilaris	109 (1.0)	192 (3.2)	<0.01
Seborrheic dermatitis	109 (1.0)	143 (2.4)	<0.01
Hemangioma	203 (1.8)	136 (2.3)	0.10
Papular urticaria	1766 (16.3)	135 (2.2)	<0.01
Miliaria	182 (1.7)	118 (1.9)	0.20
Postinflammatory hyperpigmentation	NR	105 (1.7)	—
Alopecia areata	94 (0.9)	100 (1.7)	<0.01
Scars	37 (0.3)	99 (1.6)	<0.01
Vitiligo	281 (2.6)	90 (1.5)	<0.01
Contact dermatitis	165 (1.5)	89 (1.5)	0.36
Neurofibromatosis	86 (0.8)	84 (1.4)	<0.01
Dermatophytosis	261 (2.4)	84 (1.4)	<0.01
Vascular malformation	NR	76 (1.3)	—
Insect bite	NR	74 (1.2)	—

N: number of patient referrals; NR: not reported; —: not estimable.