Association of IFN-γ : IL-10 Cytokine Ratio with Nonsegmental Vitiligo Pathogenesis

Table 1

Demographic and clinical characteristics of subjects included in the study.

	Patients (); Mean ± SD	Controls (); Mean ± SD	value
Age in years	27.6 ± 6.9 years	26.9 ± 5.6	0.34 (NS)
Males	27.3 ± 6.7 (76)	27.2 ± 6.0 (85)	0.92 (NS)
Females	27.9 ± 7.3 (54)	26.3 ± 4.7 (65)	0.15 (NS)
Duration of the disease	4.2 ± 3.1 years	NA
Males	3.8 ± 2.8 years
Females	4.6 ± 3.5 years
Age at onset	23.3 ± 7.0 years	NA
Males	23.4 ± 6.5 years
Females	23.2 ± 7.8 years
	(%)	(%)
Males with social habits
Yes	29 (22.3)	20 (23.5)
No	47 (77.7)	65 (76.5)
Clinical variants of vitiligo
Nondermatomal	58 (44.6)	NA
Acrofacial	33 (25.4)	—
Mucosal	22 (17)	—
Focal	17 (13)	—
Disease status
Stable	47 (36.2)	NA
Active	83 (63.8)	—
Family history
Yes	52 (40)
No	78 (60)	—

Note: NS: not significant; = number of subjects, and SD = standard deviation.