This statistic comes from a survey conducted by the Bureau of Justice Statistics (BJS), a division of the U.S. Department of Justice, which found that on June 30, 2009, the United States housed 203,233 Federal prisoners, 1,326,547 State prisoners, and 767,620 detainees in local jails.
Doctors try to determine if a low red blood cell count is caused by increased blood loss of red blood cells or from decreased production of them in the bone marrow. Knowing whether the number of white blood cells and/or platelets has changed also helps determine the cause of anemia.
The possible causes of a low platelet count include: Your bone marrow is the spongy tissue inside the bone. Itâs where all the components of blood, including platelets, are produced. If your bone marrow isnât producing enough platelets, youâll have a low platelet count.