IL6 and fibromyalgia: Number of tender and number of swollen joints, number of tender fibromyalgia points, ESR, DAS28, weekly dose of MTX, serum levels of IGF1, leptin, adiponectin, resistin, visfatin, IL-6, IL-1β, percentage of the body fat, and mRNA levels of IGF1R, STAT3, TLR4, AKT1, RETN, RELA in WAT were introduced as independent variables in the first step of the model.