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Stroke prevalence in a medium-sized Swedish municipality.
Peter Appelros1, Mialinn Arvidsson-Lindvall1, Marie Matérne1
1Faculty of Medicine and Health, University Health Care Research Center, Örebro University, Örebro, Sweden.
Acta Neurologica Scandinavica
|October 5, 2020
Summary
Stroke prevalence in Sweden is high, with 1518 cases per 100,000 people. This study used Swedish registers to evaluate stroke survivors, finding a significant number of individuals living with the long-term effects of stroke.
Area of Science:
- Neurology
- Public Health
- Epidemiology
Background:
- Stroke survivors often experience long-term functional disability.
- Stroke prevalence is a key indicator of stroke's societal impact.
- Stroke prevalence has not been previously evaluated in Sweden.
Purpose of the Study:
- To determine the stroke prevalence in Sweden.
- To evaluate the impact of stroke on the population using registry data.
Main Methods:
- A registry-based method utilizing three Swedish registers: Riksstroke, National Patient Register, and a primary healthcare register.
- Data were cross-checked with the population register as of December 31st, 2019.
- Analysis focused on stroke survivors (ICD-10 I60-I69) in Kumla, a representative Swedish municipality.
Main Results:
- A total of 330 stroke survivors were identified, with 42% being women.
- The crude prevalence was 1518 per 100,000 population (1754 in men, 1281 in women).
- Adjusted prevalence was 1570 per 100,000 for the European population and 936 per 100,000 for the world population.
Conclusions:
- Stroke prevalence in Kumla, Sweden, is relatively high despite declining incidence.
- Data suggest a potential decline in stroke prevalence since the early 2000s.
- Modern registers facilitate data collection, though some strokes occurred up to 40 years prior.
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