Table 1.

The Prevalence of a Type 1 Brugada ECG^* in the Population Studies

Coutry	Authors	Year Published	Individuals Screened, n	Male Sex	Mean Age or Range of Age, y	Type 1 ECG, n (%)
Europe
Finland	Junttila et al	2004	2479	100%	18–30	0
Greece	Letsas et al237	2007	11488	58%	15–98	2 (0.017)
Italy	Gallagher et al238	2008	12012	91%	30 ± 9	2 (0.017)
Germany	Sinner et al	2009	4149	49%	51 ± 14	0
Denmark	Pecini et al239	2010	18974	45%†	52 ± 12*	0
North America
Canada	Lee et al241	2005	3983	100%	31	4 (0.100)
USA (Japanese-American)	Ito et al236	2006	8006	100%	45–68	12 (0.150)
USA	Patel et al240	2009	162590	65%	not described	8 (0.005)
Asia
Japan	Sakabe et al233	2003	3339	79%	> 18	5 (0.150)‡
Japan	Yamakawa et al	2004	20387	51%	10	1 (0.005)
Japan	Oe et al	2005	21944	51%	7	1 (0.005)
Japan	Tsuji et al234	2008	13904	27%	58 ± 10	37 (0.266)
Philippines	Gervacio-Domingo et al235	2008	3907	not described	≥20	7 (0.179)
Taiwan	Juang et al	2011	20562	39%	49 ± 21	1 (0.005)
Korea	Uhm et al	2011	10867	100%	21 ± 5	0

ECG indicates Electrocardiogram; and USA, United States of America.

^*Studies including patients with a coved type ECG and J point amplitude ≥ 0.1 mV were excluded.

^†in the first examination

^‡those with a continuous type 1 ECG