Parameter Normal ECG Abnormal ECG P value Mean age (years) 70.67±5.3 70.93±5.71 >0.05 Mean weight(kg) 72.24±6.31 72.13±8.5 >0.05  Mean height (m) 1.59±0.04 1.57±0.07 >0.05

Table 1: Patient characteristics.