Forest plot of the association between cruciferous vegetable consumption and risk of ovarian cancer. The size of the shaded square is proportional to the percent weight of each study. The horizontal lines represent 95% CIs. The diamond data markers indicate the pooled ORs. A random-effect model was obtained.
Han et al. Diagnostic Pathology 2014 9:7 doi:10.1186/1746-1596-9-7