Diabetes, impaired fasting glucose, HbA1c, hypertension, male sex, BMI, cTnT, CACS, WBC count, the number of all leukocyte types analyzed, and the levels of CRP, IL‐6, and TNF‐α were reproducibly, positively correlated with the QRS‐T angles. Here, TNNT2 is linked to diabetes mellitus.