IL6 and alopecia areata: Conversely, IL-6 levels were higher on average in the control group at 8.315 ± 8.367 pg/mL, with a median of 3.910 pg/mL, compared to the alopecia areata group, where the average was 3.672 ± 1.016 pg/mL with a median of 3.315 pg/mL.