IL17A and hypothyroidism: Compared to the control group (30.73±4.63), IL-17 levels were found to be higher (p<0.001) in the hypothyroidism HT, euthyroid HT, and HT patients treated with levothyroxine groups (187.53±46.60, 51.22±12.95, and 75.98±7.15, respectively).