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Figure 2 a-c: Pooled effect estimates (meta-analysis) of studies of the association between road traffic noise level and myocardial infarction (odds ratio 95% confidence interval). The left graph (2a) refers to cross-sectional studies and the prevalence of myocardial infarction, the graph in the middle (2b) refers to case-control or cohort studies and the incidence of myocardial infarction. The right graph (2c) refers to sub-samples of the case-control and cohort studies long years in residence

Figure 2 a-c: Pooled effect estimates (meta-analysis) of studies of the association between road traffic noise level and myocardial infarction (odds ratio  95% confidence interval). The left graph (2a) refers to cross-sectional studies and the prevalence of myocardial infarction, the graph in the middle (2b) refers to case-control or cohort studies and the incidence of myocardial infarction. The right graph (2c) refers to sub-samples of the case-control and cohort studies long years in residence