Table 5.

Family history of vitiligo and psoriasis among vitiligo patients in comparison with control

Variable	Vitiligo		Healthy control		χ2	df	P-value
	N	%	N	%
Family history of vitiligo					87.9	1	<0.001
No	150	60.0	460	92.0
Yes	1 0	40.0	40	8.0
Total	250	100.0	500	100.0
Family history of psoriasis					3.42	1	<0.05
No	227	90.8	480	96.0
Yes	23	9.2	20	4.0
Total	250	100.0	500	100.0