Interleukin-15 and Tumor Necrosis Factor-α in Iraqi Patients with Alopecia Areata

Table 1

Distribution of case groups by clinical characteristics.

Variables	Numbers (n = 38)	Percentage (%)
Duration of disease (months)
<6	15	39.5
6–12	13	34.2
>12	10	26.3
Family history
Positive	8	21.1
Negative	30	78.9
Previous history
Positive	11	28.9
Negative	27	71.1
Other body area involvement
Yes	3	7.9
No	35	92.1
Exclamation mark
Yes	24	63.2
No	14	36.8
Pull test
Positive	27	71.1
Negative	11	28.9
Nail change
Yes	9	23.7
No	29	76.3