Figure 2-165. Number of deaths of U.S. residents aged 15 or older with hypersensitivity pneumonitis recorded as an underlying or contributing cause on the death certificate, 1979-1999.The annual number of hypersensitivity pneumonitis deaths generally increased during 1979-1999, from fewer than 15 per year in 1979 to 57 in 1999. Hypersensitivity pneumonitis was designated as the underlying cause of death in at least half of deaths associated with hypersensitivity pneumonitis for every year except 1982.
(Source: NIOSH [2002e].)
