TNNI3 and cardiac arrhythmia: Patients with elevated cTnI (≥0.04 ng/ml) were older (p<0.001) and had more often LVH (p<0.001), a history of myocardial infarction (p = 0.016), angina pectoris (p = 0.003) or arrhythmias (p = 0.03).