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Ambulatory medical care utilization estimates for 2006
Susan M Schappert1, Elizabeth A Rechtsteiner
1U.S. Department of Health & Human Services, Centers for Disease Control and Prevention, National Center for Health Statistics, Division of Health Care Statistics, Hyattsville, MD 20782, USA.
National Health Statistics Reports
|October 31, 2008
Summary
In 2006, Americans made 1.1 billion ambulatory care visits, with higher rates to hospital outpatient and emergency departments among Black individuals and those in poverty. Medication use increased across settings.
Area of Science:
- Healthcare Utilization Statistics
- Public Health Data Analysis
- Epidemiology of Ambulatory Care
Background:
- Ambulatory care is a critical component of the US healthcare system, encompassing physician offices, hospital outpatient departments (OPDs), and emergency departments (EDs).
- Understanding trends and disparities in ambulatory care utilization is essential for resource allocation and health policy development.
Purpose of the Study:
- To present comprehensive statistics on ambulatory care visits in the United States for the year 2006.
- To describe ambulatory medical care utilization based on patient, practice, facility, and visit characteristics.
- To analyze trends and disparities in ambulatory care use between 1996 and 2006.
Main Methods:
- Combined data from the 2006 National Ambulatory Medical Care Survey (NAMCS) and National Hospital Ambulatory Medical Care Survey (NHAMCS).
- Generated annual estimates of ambulatory medical care utilization.
- Analyzed visit data by patient demographics, socioeconomic factors, and healthcare setting.
Main Results:
- An estimated 1.1 billion ambulatory care visits occurred in 2006, equating to 381.9 visits per 100 persons annually.
- Disparities observed: Black individuals had higher visit rates to hospital OPDs/EDs and lower rates to specialists compared to white individuals. Higher poverty levels correlated with increased use of hospital OPDs/EDs.
- Medication use was prevalent, with 70% of visits involving medication; analgesics were the most common drug class. Significant increases in medication prescription rates were noted between 1996 and 2006.
Conclusions:
- Ambulatory care utilization in the US is substantial, with notable demographic and socioeconomic variations in access and utilization patterns.
- Trends indicate a rise in outpatient and emergency department visits, alongside an increase in medication prescribing over a decade.
- Further research is needed to address identified disparities and optimize ambulatory care delivery.
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