J Korean Neurosurg Soc.  2025 Mar;68(2):159-176. 10.3340/jkns.2024.0118.

Epidemiology and Functional Outcome of Acute Stroke Patients in Korea Using Nationwide data

Affiliations
  • 1Department of Neurosurgery, Soonchunhyang University Cheonan Hospital, College of Medicine, Soonchunhyang University, Cheonan, Korea
  • 2Department of Neurosurgery, Uijeongbu St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
  • 3Department of Neurosurgery, Bundang CHA Medical Center, CHA University, Seongnam, Korea
  • 4Department of Neurosurgery, Soonchunhyang University Seoul Hospital, College of Medicine, Soonchunhyang University, Seoul, Korea
  • 5Department of Neurosurgery, Inje University Haeundae Paik Hospital, Busan, Korea
  • 6Department of Neurosurgery, Hallym University College of Medicine, Chuncheon, Korea
  • 7Health Insurance Review & Assessment Service (HIRA), Wonju, Korea
  • 8Healthcare Review and Assessment Committee (HCRAC), Seoul, Korea
  • 9Cardio-Cerebrovascular Disease Assessment Division, Quality Assessment Administration Department, Healthcare Review and Assessment Committee (HCRAC), Seoul, Korea
  • 10Quality Assessment Management Division, Quality Assessment Department , Healthcare Review and Assessment Committee (HCRAC), Seoul, Korea

Abstract


Objective
: Korea’s healthcare system and policy promotes early, actively stroke treatment to improve prognosis. This study represents stroke epidemiology and outcomes in Korea.
Methods
: This study investigated data from the Acute Stroke Assessment Registry. The registry collects data from over 220 hospitals nationwide, focusing on quality stroke service management. Data analysis included patient demographics, stroke severity assessment, and discharge prognosis measurement using standardized scales.
Results
: Eighty-six thousand five hundred sixty-eight acute stroke patients were collected with demographic and clinical characteristics during 18 months from 2016, 2018, and between 2020 to 2021, focusing on acute subarachnoid hemorrhage (SAH), acute intracerebral hemorrhage (ICH), and acute ischemic stroke. Of these 86568 patients, 8.3% was SAH, 16.3% ICH, and 74.9% ischemic stroke. Trends showed decreasing SAH and increasing ICH cases over the years. 68.3% stroke patients had the clear onset time. 49.6% stroke patients arrived within 4.5 hours of symptom onset, with more patients treated at general hospitals. Good functional outcomes at discharge was obtained with 58.3% of acute stroke patients, 55.9% of SAH patients, 34.6% of ICH patients, and 63.8% of ischemic stroke patients.
Conclusion
: The results showed that ischemic stroke was the most common subtype, followed by ICH and SAH. Prognosis differed among subtypes, with favorable outcomes more common in ischemic stroke and SAH compared to ICH.

Keyword

Stroke; Epidemiology; Subarachnoid hemorrhage; Intracerebral hemorrhage
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