Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12916-021-02009-1/MediaObjects/12916_2021_2009_Fig4_HTML.png)
Forest plots displaying the results of the meta-analysis of observational studies that compared statin use with non-use in older people aged ≥ 65 years and without cardiovascular disease in terms of myocardial infarction—A before removing the study by Jun et al. and B after removing the study by Jun et al. HR, hazard ratio; CI, confidence interval; MI, myocardial infarction