Journal
BMC PUBLIC HEALTH
Volume 14, Issue -, Pages -Publisher
BMC
DOI: 10.1186/1471-2458-14-776
Keywords
Stroke; Risk factors; Prospective study; Epidemiology; Systematic review; Public health
Categories
Funding
- Natural Science Foundation of China [81172773, 81202286]
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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. To comprehensively evaluate the risk factors of stroke identified in prospective Western and Asian cohort studies. Methods: Population-based cohort studies on stroke were searched in databases (PubMed, EMBASE, Web of Science, Google Scholar, etc.), and the library of the Third Military Medical University was manually searched for relevant information. A meta-analysis of Western and Asian studies on risk factors was performed. The pooled hazard ratios (HRs) with 95% confidence intervals (CIs) were calculated to assess the final group of cohort studies. Results: After screening, 22 prospective cohort studies were included in the analyses of this investigation. Two factors, smoking and alcohol consumption, showed statistically significant differences between Western and Asian populations, and the results were as follows (W/A): 2.05 (95% CI, 1.68 similar to 2.49)/1.27 (95% CI, 1.04 similar to 1.55) and 0.89 (95% CI, 0.76 similar to 1.04)/1.28 (95% CI, 1.07 similar to 1.53). The factor BMI = 18.5-21.9 kg/m(2) showed statistically significant differences only in Western populations, 0.96 (95% CI, 0.93 similar to 0.99); the factor SBP = 120-139 mm Hg showed statistically significant differences only in Asian populations, 2.29 (95% CI, 1.04 similar to 5.09). Conclusions: The prevalences of risk factors affect the stroke morbidity in Western and Asian populations, which may be biased by race. The meta-analysis of population-based studies suggests that different preventive measures should be adopted for Western and Asian population groups that are at high risk for stroke.
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