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Meta-Analysis
. 2001 Mar;11(2):87-94.
doi: 10.2188/jea.11.87.

Meta-analysis for epidemiologic studies on the relationship between smoking and Parkinson's disease

M Sugita  1 , T Izuno, M Tatemichi, Y Otahara
Affiliations
Meta-Analysis

Meta-analysis for epidemiologic studies on the relationship between smoking and Parkinson's disease

M Sugita et al. J Epidemiol. 2001 Mar.

Abstract

Many epidemiologic studies on the relationship between smoking and Parkinson's disease (PD) have been conducted. Morens et al. reviewed many articles in the study field and concluded that smoking is inversely associated with the risk of PD. In the present study, the object is to obtain summarized risk estimates of the relationship from the published articles using meta-analysis. Summarized risk estimates on the relationship between smoking and PD were found to be about 0.5 with statistical significance in meta-analysis. Therefore, the result that smoking is inversely associated with the risk of PD is appropriate.

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Figures

Figure 1.
Figure 1.. Funnel plot graph for relationship between the risk estimates of the 46 articles and the standard errors of natural logarithm of the risk estimates.
See this image and copyright information in PMC

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