Figure 4.

Serum levels of fT₃ (A), fT₄ (B), and TSH (C) in vitiligo patients compared with control subjects. Values expressed as mean ± SEM. ***p < 0.001 significant vs. Control. ^###p < 0.001 significant vs. SVP, b; non-significant vs. SVP (between groups Total vs. Total; Male vs. Male; Female vs. Female). NS is a non-significant within group (Male vs. Female). Abbreviations: C, control; SVP, stable vitiligo patient; AVP, active vitiligo patient; M, male; F, female; T, total; fT₃, free triiodothyronine; fT₄, free thyroxine; TSH, thyroid-stimulating hormone.