TNNT2 and Hyperglycemia: Besides, in a community-based study of subjects that without clinically evident CHD, higher glycated hemoglobin (HbA1c) is associated with elevated high-sensitivity cardiac troponin-T (hs-cTnT) among persons without clinically evident CHD, indicating that hyperglycemia contributes to myocardial injury beyond its effects on the development of clinical atherosclerotic coronary disease (17).