Comparison of Zn, Cu, and Fe Content in Hair and Serum in Alopecia Areata Patients with Normal Group

Table 1

Baseline demographics and associated diseases among patients and controls.

Parameter		Case ()	Control ()	P value
Age (mean ± SD) (years)				0.515
Disease duration (months)
Occupation	Student; House wife; Employee	5 (31.3); 9 (56.3); 2 (12.5)	13 (48.1); 2 (7.4); 12 (44.4)	0.001
AA	No; Yes	9 (56.3); 7 (43.8)	27 (100); 0 (0)	0.0001
DM	No; Yes	15 (93.8); 1 (6.3)	27 (100); 0 (0)	0.372
TY	No; Yes	15 (93.8); 1 (6.3)	26 (96.3); 1 (3.7)	0.611
AU	No; Yes	16 (100); 0 (0)	27 (100); 0 (0)	1
AA in family	No; Yes	13 (81.3); 3 (18.8)	27 (100); 0 (0)	0.045
DM in family	No; Yes	12 (75); 4 (25)	20 (74.1); 7 (25.9)	0.621
TY in family	No; Yes	13 (81.3); 3 (18.8)	26 (96.3); 1 (3.7)	0.137
AU in family	No; Yes	15 (93.8); 1 (6.3)	27 (100); 0 (0)	0.327
Pitting nail	No; Yes	15 (93.8); 1 (6.3)	27 (100); 0 (0)	0.327

AU: other autoimmune diseases, AA: alopecia areata, DM: diabetes mellitus, TY: thyroid disease.