Between ten and twenty percent of people with DS are thought to pass away before 10 years of age. The International Dravet Syndrome Epilepsy Action League (IDEA League) conducted a study in which they concluded that 31 of 833 DS patients passed away within 10 years.
A study by the International Dravet Syndrome Epilepsy Action League (IDEA League) found that 31 out of 833 individuals with Dravet Syndrome passed away before the age of ten.