Table 1.

Description of patient characteristics according to the age of vitiligo onset (≤ 12 years vs > 12 years) (n=375)

Demographic and clinical data	Prepubertal onset of vitiligo		Postpubertal onset of vitiligo		p
	(≤ 12 years), n=176		(>12 years) n=199
	n	%	n	%
Gender (n=369)					<0.001
Male	90	51.1	140	70.4
Female	86	48.9	59	29.6
Duration of disease (n=370)					0.67
≤ 3y	64	37.2	78	39.4
> 3y	108	62.8	120	60.6
Koebner phenomenon (n=371)					0.56
Yes	47	26.9	58	29.6
No	128	73.1	138	70.4
Emotional stress as onset factor (n=375)					0.001
Triggering	31	17.6	36	18.1
Aggravating factor	17	9.7	48	24.1
Has no relation	128	72.7	115	57.8
Presence of halo nevus (n=375)					0.03
None	153	86.9	186	93.5
One or more	23	13.1	13	6.5
Previous episode of repigmentation (n=375)					0.02
None	73	41.5	78	39.2
Spontaneous	17	9.7	39	19.6
Following Rx	84	47.7	82	41.2
After sun exposure	2	1.1	0	0
Type of vitiligo (n=370)					0.332
Focal	35	20.2	53	26.9
Segmental	5	2.8	3	1.5
Acrofacial	37	21.4	34	17.3
Generalised vitiligo	73	42.2	77	39.1
Mucosal	1	0.5	5	2.5
Mixed	22	12.7	25	12.7