The analysis found that the highest tertile ofVATI [hazard ratio (HR) 2.58, 95% confidence interval (CI) 1.12–3.45; p = 0.01] and TyG index (HR 2.88, 95% CI 1.76–4.71; p = 0.01) weresignificantly associated with new-onset POAF compared to the lowest tertile afterfull adjustment for age, sex, body mass index, c-reactive protein levels,diabetes, emergency operation, New York Heart Association (NYHA) III–IV, and leftatrial diameter. Here, CRP is linked to diabetes mellitus.