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Age-Specific Trends in Morbidity, Mortality and Case-Fatality from Cardiovascular Disease, Myocardial Infarction and Stroke in Advanced Age: Evaluation in the Swedish Population
Karolinska Institutet. (Institute of Environmental Medicine (IMM))
Karolinska Institutet. (Institute of Environmental Medicine (IMM))
Stockholm University, Faculty of Social Sciences, Department of Sociology. (Demography Unit)
Karolinska Institutet. (Institute of Environmental Medicine (IMM))
2013 (English)In: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 8, no 5, e64928- p.Article in journal (Refereed) Published
Abstract [en]

Background

It is not clear if the downward trend in cardiovascular disease (CVD) observed for ages up to 85 years can be extended to the oldest old, those 85 years and above.

Methods and Findings

This nationwide cohort study presents age specific trends of CVD as well as for myocardial infarction (MI) and stroke separately for the period 1994 to 2010 for individuals 85 to 99 years old in Sweden. Data were extracted from national registries. All analyses were based on one-year age- and sex- specific figures. The risk for CVD increased with every age above 85 years although the rate of increase leveled off with age. Over time, the risk for CVD and MI decreased for all ages, and for stroke for ages up to 89 years. However, the risk of MI increased until around 2001 in all age groups and both sexes but decreased after that. The overall mortality improved for all outcomes over the period 1994 to 2010, so did the survival within 28 days from an event. The average annual decline in mortality over all ages, 85 and above was 3% for MI, 2% for stroke and for 2% CVD. Corresponding figures for ages 60–84 was 4% for each of MI, stroke and CVD. The results were similar for men and women.

Conclusions

Improvements in CVD risks observed among ages up to 85 years appear to have extended also to ages above 85 years, even if the rate of improvement plateaued with age. The improvements in survival for all ages up to 99 years give no support to the hypothesis that more fragile individuals reach higher ages. Additional research is needed to find out if improvement in survival can be seen also for the second and third event of CVD, stroke and MI.

Place, publisher, year, edition, pages
2013. Vol. 8, no 5, e64928- p.
National Category
Engineering and Technology Natural Sciences
Research subject
Epidemiology; Demography
Identifiers
URN: urn:nbn:se:su:diva-91970DOI: 10.1371/journal.pone.0064928ISI: 000319799900139OAI: oai:DiVA.org:su-91970DiVA: diva2:636363
Projects
Stockholm University SIMSAM Node for Demographic Research (SUNDEM)
Funder
FAS, Swedish Council for Working Life and Social Research
Note

AuthorCount: 4;

Available from: 2013-07-09 Created: 2013-07-09 Last updated: 2017-12-06Bibliographically approved

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