From: Evaluation of the profile of alopecia areata and the prevalence of thyroid function test abnormalities and serum autoantibodies in Iranian patients
ANA/Age group
Positive
Negative
n
%
5–14
0
18
16.2
15–24
1
0.9
49
44.1
25–34
26
23.4
35–44
13
11.8
>44
3
2.7
Total
2
1.8
109
98.2