age: nominal
sex: nominal
on_thyroxine: nominal
query_on_thyroxine: nominal
on_antithyroid_medication: nominal
thyroid_surgery: nominal
query_hypothyroid: nominal
query_hyperthyroid: nominal
pregnant: nominal
sick:	nominal
tumor: nominal
lithium: nominal
goitre: nominal
TSH_measured: nominal
TSH: nominal
T3_measured: nominal
T3: nominal
TT4_measured: nominal
TT4: nominal
T4U_measured: nominal
T4U: nominal
FTI_measured: nominal
FTI: nominal
TBG_measured: nominal
TBG: nominal
class: nominal
