(%) 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 Overall Relative change (%) P-value
Overall Arrhythmia 12.35 11.21 12.97 10.7 10.21 10.31 9.19 7.48 7.32 7.9 9.6 -43.8 <.0001
Ventricular Tachycardia 13.32 16.11 18.56 22.2 18.32 17.09 12.67 8.83 9.93 11.24 14.48 -57.5 <.0001
Ventricular Fibrillation/Flutter 56.58 50.89 57.93 49.57 47.67 46.64 42.28 39.39 42.19 34.72 46.11 -36.0 <.0001
Supraventricular Tachycardia 9.77 4.22 7.68 10.38 10.42 9.33 11.64 9.72 5.49 7.58 8.73 1.2 <.0001
Atrial Fibrillation 9.71 9.19 9.95 5.67 6.7 7.01 6.85 5.52 5.13 5.61 6.8 -47.0 <.0001
Atrial Flutter 12.79 4.51 9.56 8.43 7.18 6.02 7.84 4.07 7.48 9.49 7.51 -16.8 <.0001