Table 1.

Cohort characteristics (N = 18)

Male	13 (72)
Age at baseline, y	42.4 ± 8.8
Age at follow-up, y	47.4 ± 8.9
Asymptomatic	18 (100)
Spontaneous type 1 ECG	9 (50)
Shanghai score	3.0 ± 0.9
Family history of BrS	3 (17)
Family history of SCD	1 (6)
SCN5A positive∗	3 (19)
Quinidine therapy	4 (22)
Time between CMR imaging, y	5.0 ± 1.7

Values are n (%) or mean ± SD.

BrS = Brugada syndrome; CMR = cardiac magnetic resonance; ECG = electrocardiogram; SCD = sudden cardiac death.

^∗SCN5A status of 2 patients was unknown.