… trials examining the effect of restrictive vs liberal transfusion thresholds on patients having
major orthopedic surgery. Study results were meta-analyzed with a random-effects model and …

… This is important as the literature on transfusion thresholds has grown considerably in recent
… and meta-analyses of the effects of restrictive and liberal transfusion strategies on mortality. …

… Restrictive red cell transfusion is recommended to minimize risk associated with exposure …
and meta-analysis is to determine whether perioperative restrictive transfusion thresholds are …

… transfusion strategies in a variety of clinical settings 2 . In parallel, a number of systematic
reviews and meta-analyses … reviews and meta-analyses of trials on blood transfusion strategies …

… A number of studies included in other meta-analyses were excluded from our meta-analysis …
differences of predefined restrictive transfusion thresholds across more uniform populations. …

… analyses by clinical … transfusion threshold as being in the 'restrictive transfusion' group and
those randomly allocated to the higher transfusion threshold as being in the 'liberal transfusion…

… transfusion” or “RBC transfusion” or “erythrocyte transfusion.” … transfusion strategies using
differing transfusion thresholds … available literature surrounding transfusion thresholds, and …

… of the meta‐analysis of clinical trials performed in this review showed no increased risk of
death with liberal transfusion thresholds compared with restrictive transfusion thresholds. …

… meta-analysis to evaluate the effect of transfusion thresholds on long-term mortality in VLBW
infants. In this meta-analysis of … patients, restrictive transfusion threshold was not associated …

… Trials were included if the comparison groups were assigned on the basis of a clear transfusion
trigger or threshold of ≤7 g/dL, described as a hemoglobin or hematocrit level. Patients …