Facts

The following facts were provided courtesy of America’s Blood Center.

What Is In Blood?
Fact Blood is composed of plasma, water and cellular components (red blood cells, white blood cells and platelets).

Fact One in 20 Americans will require a blood transfusion at some point in their lives.

Fact Each year approximately 8 million volunteer donors give about 14 million blood donations.

Fact About 12 million units of red blood cells and whole blood, 8 million platelet units and 3 million plasma units are transfused annually.

Fact More than 90 percent of transfusion complications have been attributed to the presence of leukocytes in allogeneic blood.

Fact Every three seconds someone needs blood. Blood and blood products are used to treat accident and burn victims, cancer patients and other patients undergoing surgeries and medical treatments.

Fact People older than 65 use 43 percent of all donated blood. The demand for blood will increase as the population ages.

Fact Approximately 40,000 units of blood are used each day in the United States.

Fact One unit of blood is roughly the equivalent of one pint. On average an adult has approximately seven to nine units of blood.

Fact Blood centers often run short of type O and B blood. Shortages of all types of blood occur during the summer and winter holidays.

Fact Red blood cells can be stored for up to 42 days.

Fact Platelets can be stored for only five days.

Fact Frozen plasma can be stored for as long as one year.

Fact Each year, approximately 14 million units of blood are donated by volunteers. These donations are processed into about 27 million blood components, which are transfused into approximately 4 million patients a year.

Fact Because blood donations often are separated into several “components” (red blood cells, plasma and platelets, for instance), one donation can help save three lives.

Fact A 1996 Government Accounting Office Report stated that the blood supply in America has never been safer. Blood Banks are committed to the industry’s highest standards of safety and are required to be licensed by the FDA.

Fact
Frequency of Blood Types
O+1 person in 3
O-1 person in 15 
A+1 person in 3
A-1 person in 16
B+1 person in 12
B-1 person in 67
AB+1 person in 29 
AB-1 person in 167 

Fact Those belonging to the O- blood group are called universal blood donors. The red blood cells of a universal blood donor may be transfused to anyone regardless of their blood type.

Fact The plasma of those belonging to the AB blood group may be transfused to anyone regardless of their blood type.


Fact
Examples Of Blood Use Average # Of Units Required
Automobile Accident 50 units of blood
Heart Surgery 6 units of blood
6 units of platelets
Organ Transplant 40 units of blood
30 units of platelets
20 bags of cryoprecipitate
25 units of fresh frozen plasma
Bone Marrow Transplant 120 units of platelets
20 units of blood
Burn 20 units of platelets




*All statistics are based on U.S. numbers.


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