Key result
Stroke prevalence remains unchanged over time at ~2.9% in German adults.
Why the study?
The prevalence of physician-diagnosed stroke in adults aged 40–79 years in Germany and its changes over time were not well characterized.
Cross-Sectional (n=5,901)
Stable stroke prevalence at 2.9% since 1998; extends prior estimates but leaves open incidence and outcome trends.
In the German Health Interview and Examination Survey (DEGS1), data on the prevalence of physician-diagnosed stroke were collected from 2008 to 2011 in a representative population-based sample of 5,901 adults aged 40–79 years. The stroke prevalence in DEGS1 was compared with prevalence estimates from the German National Health Interview and Examination Survey 1998 (GNHIES98). The lifetime prevalence of stroke in adults aged 40–79 years is 2.9% (women: 2.5%; men: 3.3%). In both sexes, the prevalence increases continuously with age, up to 6.3% in women and 8.1% in men 70–79 years old. More pronounced in women than in men, the prevalence of stroke decreases with increasing socioeconomic status. Compared to GNHIES98, there is no evidence for a change in stroke prevalence over time. The prevalence of stroke in adults aged 40–79 years in Germany is comparable to prevalence estimates from other national and international studies. Further studies should examine the reasons behind stable prevalence rates, accounting for population ageing and changes in incidence, mortality and case fatality rates.
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Busch et al. (2013) conducted a cross-sectional in Stroke (n=5,901). Time period (2008-2011) vs. 1998 (GNHIES98) was evaluated on Lifetime prevalence of physician-diagnosed stroke. The lifetime prevalence of stroke in German adults aged 40–79 years was 2.9%, with no evidence for a change in prevalence over time compared to 1998.
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