Cardiac function LVEF >30% LVEF <30% p-value
QTc interval± SD 461±42 478±43 0.6
Renal function GFR >50 ml/min/1.73 m2 GFR <50 ml/min/1.73 m2  
QTc interval±SD 465±35 461±46 0.5
Table 3: Comparison of the QTc duration after introducing a cut-off value for left ventricular ejection fraction (30%) and glomerular filtration rate (50 ml/min/1.73 m2), respectively.