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(Stroke. 2004;35:1047.)
© 2004 American Heart Association, Inc.

Original Contributions

Increasing Stroke Incidence in Sweden Between 1989 and 2000 Among Persons Aged 30 to 65 Years: Evidence From the Swedish Hospital Discharge Register

From National Centre of Work and Rehabilitation, Department of Health and Society, Linköping University, Linköping, Sweden.

Correspondence to Jennie Medin, National Centre of Work and Rehabilitation, Department of Health and Society, Linköping University, 581 83 Linköping, Sweden. E-mail jennie.medin{at}ihs.liu.se

Background and Purpose— Stroke mortality is decreasing in Sweden, as is the case in other Western European countries. However, both decreases and increases have been reported in Sweden for persons younger than age 65 years. The aim of this study was to compare the incidence of stroke in Sweden between the periods 1989 and 1991 and 1998 and 2000 in persons aged 30 to 65 years.

Methods— All first-ever stroke patients aged 30 to 65 years in the Swedish Hospital Discharge Register between 1989 and 2000 were included.

Results— The age-standardized, 3-year average incidence increased by 19%, from 98.9 to 118.0 per 100 000 among men, and by 33%, from 48.4 to 64.4 among women, between 1989 and 1991 and 1998 and 2000. The largest increase was seen among those younger than 60 years. On a county level, the change in age-standardized stroke incidence varied from small decreases (–3%) to large increases (82%).

Conclusion— Stroke incidence increased in Sweden for both men and women between 1989 and 2000. The increase was larger among women. This calls for action when it comes to studying risk factors and planning for prevention and health promotion and indicates the need for gender-specific studies.

Key Words: incidence • stroke • epidemiology

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