Risk factors of stroke in Western and Asian countries: a systematic review and meta-analysis of prospective cohort studies.

BMC Public Health · 2014 · PMC4246444 · PMID 25081994

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an increasing trendno p-value reported

Background There has been an increasing trend in the incidence of stroke worldwide in recent years, and the number of studies focusing on the risk factors for stroke has also increased every year.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.