aAll summary ORs/RRs (95% CIs) were calculated by the random-effect model.bWe excluded three studies using the risk estimates with SIRs ([14] and [32]) and the different definition of diabetes ([33]wa
The global incidence of thyroid cancer (TC) has risen markedly, ranking as the tenth most common malignancy in 2020. Simultaneously, obesity now affects over one billion individuals worldwide, with it