This finding suggests that subclinical hypothyroidism also has connections with an elevated risk of postoperative PJI in comparison with those without this condition, similar to the increased odds of PJI in hypothyroidism reported by Tan et al. and Leonard et al. 9, 10The increased risk of infectious processes may be associated with the weakening role of the thyroid hormone in modulating the cell‐mediated immunity.24 Here, TG is linked to hypothyroidism.