In contrast to S100A4 protein, the study showed no significant differences (p > 0.05) in serum S100A15 levels between whole individuals with hidradenitis suppurativa (156.1 ± 133.8 pg/mL) and healthy volunteers (153.9 ± 134.8 pg/mL). Here, S100A7A is linked to hidradenitis suppurativa.