PDF Version Printer-Friendly Version
Vital Signs
Facts & Figures - New blood
Where transfusions come from
10
Pints of blood in the body of an average adult
8 million
Number of volunteer blood donors annually in the U.S.
5%
Percentage of Americans eligible to donate blood who do so
15 million
Units of blood donated in the U.S. in 2001
4.9 million
Patients who received a blood transfusion in the U.S. in 2001
42
Days after donation that red cells must be used

5
Days after donation that platelets must be used
10%
Pecentage of DHMC patients who need a blood transfusion
25%
Percentage of red cells used at DHMC that are donated locally
90%
Percentage of platelets used at DHMC that are donated locally
30 to 45
Number of minutes it takes to donate blood at DHMC
Sources: American Association of Blood Banks, National Blood Data Resource Center, DHMC Blood Donation Center
If you'd like to offer feedback about this article, we'd welcome getting your comments at DartMed@Dartmouth.edu.
This article may not be reproduced or reposted without permission. To inquire about permission, contact DartMed@Dartmouth.edu.