Cohort Study on Risk Factors for Subarachnoid Hemorrhage among Japanese Men and Women.
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Population
12,372 men and women, aged 40-69 years, free of history of stroke in six communities in Japan.
Design
Cohort
Follow-up
mean 9.4 years
Authors
Discussion
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Implication
Smoking and hypertension were associated with higher SAH risk; leaves open causal effects and prevention impact in Japanese adults.
Structured PICO
P
Population
12,372 men and women, aged 40-69 years, free of history of stroke in six communities in Japan.
O
Outcome
Incident subarachnoid hemorrhagehard clinical
Smoking, hypertension, and heavy drinking, particularly in combination, significantly increase the risk of subarachnoid hemorrhage in Japanese adults.
Limitations
- Small number of heavy drinkers among women (n=13) prevented analysis of this risk factor in women
- Changes in smoking status and blood pressure during the follow-up period may have led to underestimation of relative risks
Cite This Study
Sankai et al. (1999) studied this question.
Topics
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