Fig. 2From: Anemia and blood transfusion in the critically ill patient with cardiovascular diseaseSystematic review: Blood transfusion thresholds in patients with cardiovascular disease (CVD). Forest plot showing risk ratios for 30‐day mortality, and risk of bias assessment for each study. *Additional risk of bias assessed as to completeness of patients recruited into clusters (this was graded as low risk). Modified from [21] with permissionBack to article page