However, in other studies, obesity was not found to be a risk factor for perioperative thromboembolic events in patients undergoing THA or TKA.[32–35] In our study, we showed that leptin levels were associated with BMI, but the BMI itself was not a predictor of postoperative DVT, and the predictive value of leptin was independent of BMI values. Here, LEP is linked to deep vein thrombosis.