Fig. 4

Forest plot comparing the incidence of ischemic or thromboembolic complications between the tranexamic acid and placebo-control groups. Risk of bias summary is listed as follows: a, random sequence generation (selection bias); b, allocation concealment (selection bias); c, blinding of participants and personnel (performance bias); d, blinding of outcome assessment (detection bias); e, incomplete outcome data (attrition bias); f, selective reporting (reporting bias); and g, other bias. TXA, tranexamic acid; CI, confidence interval