Fig. 6: Association between long-term exposure to transportation noise sources and myocardial infarction: burden of proof framework.

A Road traffic noise, B railway noise, C aircraft noise. (i) Log(RR) function; (ii) RR function; and (iii) modified funnel plot showing the residuals (relative to 0) on the x axis and the estimated standard error and between-study heterogeneity on the y axis.