Table 1.

Characteristics of Common Chest Symptom-Related* Visits to United States Emergency Departments, 1997 to 1999 and 2005 to 2007 (n = 17,098)

CharacteristicOverall Proportion of Visits (%)Proportion of Visits, 1997 to 1999 (n = 6,851) (%)Proportion of Visits, 2005 to 2007 (n = 10,247) (%)P
Sex
    Female555456.17
    Male454644
Age (years)
    15–44383739<.01
    45–64302833
    >65323529
Race
    White767874.04
    Black212023
    Other323
Insurance
    Private353633<.01
    Medicare313429
    Medicaid171320
    Self-pay/other171717
Geographic region
    Northeast202119.65
    Midwest242622
    South383541
    West181818
  • * Common chest symptoms are chest pain, shortness of breath, or labored breathing.