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Forest plot for updated meta-analysis on greater adherence score to the Mediterranean diet (2-point increase) and overall mortality risk. Plotted are the relative risk (RR; represented by ▪, with the symbol size proportional to the weight in meta-analysis) and the 95 % confidence interval (represented by horizontal bars), with the summary measure (represented by - - - - - and ⧫, with the associated 95 % confidence interval indicated by the symbol width) and the line of no effect (——)
