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close this bookBlood Transfusion Services Impact Model and Manual (UNAIDS, 1999, 29 p.)
close this folder4. Model inputs
View the document(introduction...)
View the document4.1 Blood collection
View the document4.2 Blood processing
View the document4.3 Blood wastage
View the document4.4 Blood distribution
View the document4.5 Extent necessary
View the document4.6 Transfusion recipients

4.5 Extent necessary

Inputs describing the percentage of transfusions conducted that were necessary, before and after the intervention, according to the ward in which the transfusion was conducted. Clearly, as blood wastage is reduced, the total volume of blood required will decrease.