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Asthma

Data are for the U.S.

Morbidity: Adults (aged 18 years and over)

  • Number of adults who currently have asthma: 18.4 million
  • Percent of adults who currently have asthma: 7.6%

Source: Summary Health Statistics Tables for U.S. Adults: National Health Interview Survey, 2015, Table A-2 [PDF - 186 KB]

Morbidity: Children (under age 18 years)

  • Number of children who currently have asthma: 6.2 million
  • Percent of children who currently have asthma: 8.4%

Source: Summary Health Statistics Tables for U.S. Children: National Health Interview Survey, 2015, Table C-1 [PDF - 83 KB]

Physician office visits

  • Percent of visits to office-based physician with asthma indicated on the medical record: 6.5%

Source: National Ambulatory Medical Care Survey: 2013 State and National Summary Tables, tables 19, 20 [PDF - 926 KB]

Emergency department visits

  • Number of visits to emergency departments with asthma as primary diagnosis: 1.6 million

Source: National Hospital Ambulatory Medical Care Survey: 2013 Emergency Department Summary Tables, table 12 [PDF - 520 KB]

Mortality

  • Number of deaths: 3,651
  • Deaths per 100,000 population: 1.1

Source: Deaths: Final Data for 2014, tables 10, 11 [PDF - 4.4 MB]

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