Table 1.

Clinical characteristics of study sample.

Demographics
Average age at DCM diagnosis	43.6 ±13.4 years, range 16–76
Familial dilated cardiomyopathy	N = 32 (55%)
Previous Resequencing Studies3,5–9
LMNA point mutation negative	N = 58 (100%)
Point mutation negative in 15 other DCM genes	N = 44 (76%)
Clinical Features
Arrythmia/Conduction System Disease
Conduction system disorder	N = 58 (100%)
Any arrhythmia	N = 45 (78%)
Pacemaker	N = 13 (22%)
Implantable cardiac defibrillator	N = 38 (66%)
Sudden death during disease course	N = 14 (24%)
Myocardial Failure
Heart failure	N = 52 (90%)
Heart transplant or ventricular assist device	N = 13 (22%)
Death (without transplant or ventricular assist device)	N = 10 (17%)