However, because the data were not normally distributed, the more appropriate statistical comparison was made using median values, with ventricular arrhythmia horses having a median cTnI 10-fold higher (0.40 ng/mL) than atrial arrhythmia horses (0.04 ng/mL) (p < 0.001). Here, TNNI3 is linked to Ventricular arrhythmia.