Fig 4 represents the forest plot of the association between AUD and completed suicide. Based on this forest plot, AUD was significantly associated with completed suicide, OR = 2.59 (95% CI: 1.95, 3.23) and RR = 1.74 (95% CI: 1.26, 2.21). There was an extreme value [41] with OR = 0.541 (95% CI: 0.30, 0.97) that was excluded from the meta-analysis.