Solar and geomagnetic activities: Are there associations with stroke occurrence? A population-based study in Siberia, Russia (1982-1992)

被引:24
作者
Feigin, VL [1 ]
Nikitin, YP [1 ]
Vinogradova, TE [1 ]
机构
[1] UNIV UTRECHT,DEPT NEUROL,NL-3584 CX UTRECHT,NETHERLANDS
关键词
solar activity; geomagnetic activity; stroke; Russia;
D O I
10.1159/000108220
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Several correlational studies have suggested an association between stroke mortality rates and geophysical parameters, but none have assessed the influence of these parameters on stroke occurrence in a general population, We conducted a population-based study (2,195 stroke patients) to determine whether there are relationships between stroke occurrence and solar and/or geomagnetic activity. A multivariable logistic regression analysis was used to estimate the odds ratio (OR) and to identify the geophysical parameters of most importance; 95% confidence intervals (CI) were calculated for the variables studied. In a multivariate analysis, large fluctuations of solar (OR = 1.21; 95% CI 1.14-1.30) and geomagnetic activity (OR = 1.20; 95% CI 1.11-1.31) on the preceding day and low level of solar activity (OR = 1.14; 95% CI 1.08-1.21) on the day of stroke onset were independent predictors of stroke occurrence.
引用
收藏
页码:345 / 348
页数:4
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