Red blood cell transfusion and mortality in trauma patients: risk-stratified analysis of an observational study.

PLoS Med · 2014 · PMC4060995 · PMID 24937305

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showed a trendno p-value reported

As can be seen in Figure 1 , RBC transfusion showed a trend from a positive association (harmful) to a negative association (beneficial) with all-cause mortality according to predicted risk of death.

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