Summary: Using a more restrictive transfusion threshold (eg, a hemoglobin level of 7 to 8 g/dL) may be associated with a lower risk of in-hospital mortality, without any reduction in functional recovery, ICU length of stay, or hospital length of stay.

http://www.ncbi.nlm.nih.gov/m/pubmed/22513904/

(See JAMA commentary at: http://www.ncbi.nlm.nih.gov/m/pubmed/23280228/)

Strength of Recommendation = A

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