Study name Study type Year Country N Age (years) (mean ± SD) Male Hypertension Diabetes Hyperlipidemia Atrial fibrillation Coronary artery disease Heart Failure Left ventricular ejection fraction (%) Anti-arrhythmic drugs Other QT prolonging drugs Monomorphic ventricular tachycardia
Saleh et al Prospective 2020 USA 201 58.5 ± 9.1 115 121 65 84 14 23 15 61.9±5.7 3 81 8
Chang et al Prospective 2020 USA 117 60.2±14.9 70 61 33 NR NR 6 1 NR NR 40 2
Bessiere et al Retrospective 2020 France 40 68 (IQR 58-74) (median) 32 23 16 NR NR NR NR NR NR 20 0
Mercuro et al Retrospective 2020 USA 90 60.1±16.1 46 48 26 NR 12 10 9 NR NR 66 0