Previous studies also showed many causative factors related to hs‐cTnT elevation in AIS patients, such as insular cortex involvement, renal insufficiency, higher NIHSS score on admission, CAD, AF, and HF.4, 10, 25, 44 We included all the above variables to ensure the strength of the statistical analysis for unfavorable outcomes. This evidence concerns the gene TNNT2 and atrial fibrillation.