Table 1.

Demographic characteristics of genotype-negative patient cohort with BrS

Patient Demographic	Cohort
No. of probands	102
Age at diagnosis (y)	45 ±13
Range (y)	9–81
Man	84 (82%)
Woman	18 (18%)
Mean corrected QT interval (ms)	407 ± 27
Mean PQ interval (ms)	169 ± 27
Symptomatic patients (%)	12 (12%)
Family history of cardiac events/unexplained sudden death	27 (26%)
Type 1 ST-segment elevation at baseline	46 (45%)
Type 1 ST-segment elevation with sodium blockade	50 (49%)
Type 1 ST-segment elevation with fever	6 (6%)

Data are presented as mean ± standard error of the mean and as n (%).