Share of U.S. adults using specific classes of asthma controller medications 2008-2009
This statistic depicts the percentage of U.S. adults using specific classes of asthma controller medications in the periods 1998-1999 and 2008-2009. In 1998-1999, 39.9 percent of the U.S. adults with asthma used inhaled corticosteroids, while in 2008-2009 the percentage of U.S. adults using this specific class of medication amounted to 51.2 percent.