Table 2.

Risk of sudden death in asymptomatic severe AS.

Study	Design	No. of pts	Mean FU ± SD (months)	Events AVR	Death without preceding symptoms	Sudden death rate per year
Rosenhek et al.8	P	128	22 ± 18	59	1	0.43%
Amato et al.13	P	66	23.6 ± 12.5	N/A	4	3.1%
Lancellotti et al.14	P	69	15 ± 7	12	2	2.3%
Pellikka et al.11	R	622	64.8 ± 48	352	11	0.33%
Pai et al.15	R	338	42	99	N/A	13.3%
Lancellotti et al.16	P	163	20 ± 19	57	3	1.1%
Cioffi et al.17	P	209	22 ± 13	72	2	0.52%
Rosenhek et al.18	P	116	41 (26–63)	90	1	0.2%

P, prospective; R, retrospective.