Seizure epidemiology and demographics

Jump to navigation Jump to search

Seizure Microchapters


Patient Information


Historical Perspective




Differentiating Seizure from other Diseases

Epidemiology and Demographics

Risk Factors


Natural History, Complications and Prognosis


History and Symptoms

Physical Examination

Laboratory Findings




Other Imaging Findings

Other Diagnostic Studies


Medical Therapy


Primary Prevention

Secondary Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Case Studies

Case #1

Seizure epidemiology and demographics On the Web

Most recent articles

Most cited articles

Review articles

CME Programs

Powerpoint slides


American Roentgen Ray Society Images of Seizure epidemiology and demographics

All Images
Echo & Ultrasound
CT Images

Ongoing Trials at Clinical

US National Guidelines Clearinghouse

NICE Guidance

FDA on Seizure epidemiology and demographics

CDC on Seizure epidemiology and demographics

Seizure epidemiology and demographics in the news

Blogs on Seizure epidemiology and demographics

Directions to Hospitals Treating Seizure

Risk calculators and risk factors for Seizure epidemiology and demographics

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Shakiba Hassanzadeh, MD[2]


It is estimated that 11% of the population experience a seizure in their life compared to the estimation of 3% for epilepsy. In the US, seizure is estimated to account for 1 million or 1% of emergency department (ED) visits annually. The incidence of acute symptomatic seizures is estimated to be 39 cases per 100,000 individuals in the US. Seizures are more common among males and the Black race.

Epidemiology and Demographics


  • In the United States, the incidence of acute symptomatic seizures is estimated to be 39 cases per 100,000 individuals.[1]
  • It is estimated that 11% of the population experience a seizure in their life compared to the estimation of 3% for epilepsy.[2][3]


Case-fatality rate/Mortality rate


  • Acute symptomatic seizures have the highest incidence among infants and small children, followed by those older than 75, and the lowest incidence among those between 25 to 34 years.[4]
  • Infants and children aged 1 to 5 years (mostly due to febrile seizure) followed by adults aged 41 to 50 years make up the most ED visits for seizure.[4]


  • Individuals of the African American race are more likely to have seizure-related ED visits compared to Whites.[4]


  • Males are more affected by seizures than females.[4][1]
  • The male to female ratio of a seizure-related ED visit is approximately 1.4 to 1.[4]
  • The male to female ratio of acute symptomatic seizures on a population level (not in the ED setting) is approximately 1.85 to 1 (lifetime risk of 5.0% in males and 2.7% in females).[1]


  1. 1.0 1.1 1.2 Annegers JF, Hauser WA, Lee JR, Rocca WA (1995). "Incidence of acute symptomatic seizures in Rochester, Minnesota, 1935-1984". Epilepsia. 36 (4): 327–33. doi:10.1111/j.1528-1157.1995.tb01005.x. PMID 7607110.
  2. Bethune P, Gordon K, Dooley J, Camfield C, Camfield P (1993). "Which child will have a febrile seizure?". Am J Dis Child. 147 (1): 35–9. doi:10.1001/archpedi.1993.02160250037013. PMID 7678187.
  3. Hauser WA, Annegers JF, Rocca WA (1996). "Descriptive epidemiology of epilepsy: contributions of population-based studies from Rochester, Minnesota". Mayo Clin Proc. 71 (6): 576–86. doi:10.4065/71.6.576. PMID 8642887.
  4. 4.0 4.1 4.2 4.3 4.4 4.5 Pallin DJ, Goldstein JN, Moussally JS, Pelletier AJ, Green AR, Camargo CA (2008). "Seizure visits in US emergency departments: epidemiology and potential disparities in care". Int J Emerg Med. 1 (2): 97–105. doi:10.1007/s12245-008-0024-4. PMC 2657249. PMID 19384659.
  5. Huff JS, Morris DL, Kothari RU, Gibbs MA, Emergency Medicine Seizure Study Group (2001). "Emergency department management of patients with seizures: a multicenter study". Acad Emerg Med. 8 (6): 622–8. doi:10.1111/j.1553-2712.2001.tb00175.x. PMID 11388937.
  6. Krumholz A, Grufferman S, Orr ST, Stern BJ (1989). "Seizures and seizure care in an emergency department". Epilepsia. 30 (2): 175–81. doi:10.1111/j.1528-1157.1989.tb05451.x. PMID 2924743.
  7. Brinar V, Bozicević D, Zurak N, Gubarev N, Djaković V (1991). "Epileptic seizures as a symptom of various neurological diseases". Neurol Croat. 40 (2): 93–101. PMID 1883923.
  8. 8.0 8.1 DeLorenzo RJ, Hauser WA, Towne AR, Boggs JG, Pellock JM, Penberthy L; et al. (1996). "A prospective, population-based epidemiologic study of status epilepticus in Richmond, Virginia". Neurology. 46 (4): 1029–35. doi:10.1212/wnl.46.4.1029. PMID 8780085.