Study period (2020) -n 455 Reference period (2019) – n 455 χ2 p
Ventricular Arrhythmias 45 (9.89 %) 36 (7.91%) 1.09 0.29
Any device Therapy 8 (1.76%) 8 (1.76%) 0.00 1.00
Ventricular tachycardia - VT 42 (9.23%) 34 (7.47%) 0.92 0.33
Ventricular fibrillation - VF 5 (1.09%) 3 (0.66%) 0.50 0.48
Anti-tachycardia Pacing - ATP 8 (1.75%) 6 (1.31%) 0.29 0.59
ICD shocks 6 (1.31%) 3 (0.66%) 0.41 0.52