Time trends in survival following first hemorrhagic or ischemic stroke between 1991 and 2015 in the Rotterdam Study
Stroke Feb 27, 2020
Waziry R, Heshmatollah A, Bos D, et al. - Within the population-based Rotterdam Study between 1991 and 2015, researchers evaluated recent temporal time trends in survival, age-standardized death rates, survival probabilities at 6 months, 1, 2, and 3 years following first hemorrhagic or ischemic stroke. Utilizing the time-varying Cox regression model, they evaluated time trends in survival among 162 with first-ever hemorrhagic and 988 individuals with first-ever ischemic stroke across 3 time periods (1991–1998; 1999–2007; 2008–2015) and calculated age-standardized death rates based on the European 2010 census population. A total of 144 deaths occurred during 386 person-years in the hemorrhagic stroke group. A decline in mortality rates was observed in 2015 (11 per 100 person-years) compared with 1991 (29/100 person-years). In the latest study period 2008 to 2015, this translated into favorable patterns. Over the past decade, survival after an ischemic stroke has improved although survival after a hemorrhagic stroke has not changed.
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