Access to Care: Health Care Utilization
2008 National Healthcare Quality and Disparities Reports
General Medical Care
People who had an office-based or outpatient department visit in the calendar year
People who received a prescription medication in the calendar year
People who had a dental visit in the calendar year
People who had a hospital emergency room visit in the calendar year
People who received a hospital inpatient discharge in the calendar year
Outpatient visits per 100 population
Emergency department visits per 100 population
Hospitalizations per 100 population
Avoidable Admissions
Avoidable admissions for hypertension per 100,000 population age 18 and over
Avoidable admissions for angina per 100,000 population age 18 and over
Avoidable admissions for chronic obstructive pulmonary disease per 100,000 population age 18 and over
Avoidable admissions for bacterial pneumonia per 100,000 population
Perforated appendixes per 1,000 admissions with appendicitis
Mental Health Care and Substance Abuse Treatment
Adults who received mental health treatment or counseling in the last 12 months
Adults who received outpatient mental health treatment or counseling in the last 12 months
Adults who received prescription medications for mental health treatment in the last 12 months
Adults who received inpatient mental health treatment or counseling in the last 12 months
People age 12 and over who received any treatment for illicit drug or alcohol abuse in the last 12 months
General Medical Care
Measure Title
People who had an office-based or outpatient department visit in the calendar year.
Measure Source
Agency for Healthcare Research and Quality (AHRQ), Center for Financing, Access, and Cost Trends (CFACT), Medical Expenditure Panel Survey (MEPS).
Tables
15_1_1.1 People who had an office-based or outpatient department visit in the calendar year, United States, 2005, by:
- Race.
- Ethnicity.
- Family income.
- Education.
Data Source
AHRQ, CFACT, MEPS.
Denominator
U.S. civilian noninstitutionalized population.
Numerator
U.S. civilian noninstitutionalized population who reported at least one office-based/outpatient department visit.
Comments
Office-based/outpatient department visits include the following: office-based visits (physician and nonphysician); outpatient department visits (physician and nonphysician); and inpatient visits where the admission date was the same as the discharge date (i.e., “zero-night” stays).
General Medical Care
Measure Title
People who received a prescription medication in the calendar year.
Measure Source
Agency for Healthcare Research and Quality (AHRQ), Center for Financing, Access, and Cost Trends (CFACT), Medical Expenditure Panel Survey (MEPS).
Tables
15_1_2.1 People who received a prescription medication in the calendar year, United States, 2005, by:
- Race.
- Ethnicity.
- Family income.
- Education.
Data Source
AHRQ, CFACT, MEPS.
Denominator
U.S. civilian noninstitutionalized population.
Numerator
U.S. civilian noninstitutionalized population who reported at least one prescribed medication.
General Medical Care
Measure Title
People who had a dental visit in the calendar year.
Measure Source
Agency for Healthcare Research and Quality (AHRQ), Center for Financing, Access, and Cost Trends (CFACT), Medical Expenditure Panel Survey (MEPS).
Tables
15_1_3.1 People who had a dental visit in the calendar year, United States, 2005, by:
- Race.
- Ethnicity.
- Family income.
- Education.
Data Source
AHRQ, CFACT, MEPS.
Denominator
U.S. civilian noninstitutionalized population.
Numerator
U.S. civilian noninstitutionalized population who reported at least one dental visit.
Comments
This measure and its tables are also presented in other relevant sections of the National Healthcare Disparities Report.
General Medical Care
Measure Title
People who had a hospital emergency room visit in the calendar year.
Measure Source
Agency for Healthcare Research and Quality (AHRQ), Center for Financing, Access, and Cost Trends (CFACT), Medical Expenditure Panel Survey (MEPS).
Tables
15_1_4.1 People who had a hospital emergency room visit in the calendar year, United States, 2005, by:
- Race.
- Ethnicity.
- Family income.
- Education.
Data Source
AHRQ, CFACT, MEPS.
Denominator
U.S. civilian noninstitutionalized population.
Numerator
U.S. civilian noninstitutionalized population who reported at least one emergency room visit.
General Medical Care
Measure Title
People who received a hospital inpatient discharge in the calendar year.
Measure Source
Agency for Healthcare Research and Quality (AHRQ), Center for Financing, Access, and Cost Trends (CFACT), Medical Expenditure Panel Survey (MEPS).
Tables
15_1_5.1 People who received a hospital inpatient discharge in the calendar year, United States, 2005, by:
- Race.
- Ethnicity.
- Family income.
- Education.
Data Source
AHRQ, CFACT, MEPS.
Denominator
U.S. civilian noninstitutionalized population.
Numerator
U.S. civilian noninstitutionalized population who reported at least one inpatient discharge.
Comments
Inpatient discharges exclude inpatient visits where the admission date was the same as the discharge date (i.e., “zero-night” stays).
General Medical Care
Measure Title
Outpatient visits per 100 population.
Measure Source
Centers for Disease Control and Prevention (CDC), National Center for Health Statistics (NCHS).
Table
15_1_6.1 Outpatient visits per 100 population, United States, 2005-2006, by:
- Race.
Data Source
CDC, NCHS, National Ambulatory Medical Care Survey (NAMCS) and National Hospital Ambulatory Medical Care Survey (NHAMCS).
Denominator
U.S. civilian noninstitutionalized population.
Numerator
Number of outpatient visits.
Comments
Year 2005 and 2006 rates use U.S. Census Bureau estimates of the civilian noninstitutionalized population as of July 1, 2005, and July 1, 2006, and are based on data from Census 2000.
General Medical Care
Measure Title
Emergency department visits per 100 population.
Measure Source
Centers for Disease Control and Prevention (CDC), National Center for Health Statistics (NCHS).
Table
15_1_7.1 Emergency department visits per 100 population, United States, 2005-2006, by:
- Race.
Data Source
CDC, NCHS, National Hospital Ambulatory Medical Care Survey (NHAMCS).
Denominator
U.S. civilian population.
Numerator
Number of visits to hospital emergency departments.
Comments
Estimates of the civilian noninstitutionalized population are from special tabulations developed by the Population Division, U.S. Census Bureau, using estimates as of July 1 of the period of study, and are based on Census 2000 data.
General Medical Care
Measure Title
Hospitalizations per 100 population.
Measure Source
Centers for Disease Control and Prevention (CDC), National Center for Health Statistics (NCHS).
Table
15_1_8.1 Hospitalizations per 100 population, United States, 2006, by:
- Race.
Data Source
CDC, NCHS, National Hospital Discharge Survey (NHDS).
Denominator
U.S. civilian noninstitutionalized population.
Numerator
Number of hospital discharges.
Avoidable Admissions
Measure Title
Avoidable admissions for hypertension per 100,000 population age 18 and over.
Measure Source
Agency for Healthcare Research and Quality (AHRQ), Prevention Quality Indicators (PQIs).
Table
15_2_1.1 Admissions for hypertension (excluding patients with cardiac procedures, obstetric conditions, and transfers from other institutions) per 100,000 population, age 18 and over, United States, 2005, by:
- Race/ethnicity.
Data Source
AHRQ, Center for Delivery, Organization, and Markets (CDOM), Healthcare Cost and Utilization Project (HCUP), State Inpatient Databases (SID), disparities analysis file.
Denominator
Adult U.S. population age 18 and over by subcategory (race, age group, gender, median household income level, urbanization, and region).
Numerator
Subset of the denominator with principal diagnosis of hypertension (International Classification of Diseases, Ninth Revision, Clinical Modification [ICD-9-CM] codes 401.0, 401.9, 402.0-402.90, 403.00-403.90, 404.00-404.90), excluding patients with cardiac procedures, obstetric and neonatal admissions, and transfers from other institutions.
Comments
Rates are adjusted by age and gender using the total U.S. population for 2000 as the standard population. When reporting is by age, the adjustment is by gender only; when reporting is by gender, the adjustment is by age only.
This table was created using version 3.1 of the AHRQ PQI software. This measure is referred to as PQI 7 in the software documentation. More information about the AHRQ Quality Indicators is available at http://www.qualityindicators.ahrq.gov.
The SID disparities analysis file, created specifically for this report to provide national estimates on disparities, consists of weighted records from a sample of hospitals from the following 23 States that participate in HCUP and have high-quality race/ethnicity data: AZ, AR, CA, CO, CT, FL, GA, HI, KS, MD, MA, MI, MO, NH, NJ, NY, OK, RI, SC, TN, TX, VT, and WI.
Avoidable Admissions
Measure Title
Avoidable admissions for angina per 100,000 population age 18 and over.
Measure Source
Agency for Healthcare Research and Quality (AHRQ), Prevention Quality Indicators (PQIs).
Table
15_2_2.1 Admissions for angina without procedure (excluding patients with cardiac procedures, transfers from other institutions, and obstetric admissions) per 100,000 population, age 18 and over, United States, 2005, by:
- Race/ethnicity.
Data Source
AHRQ, Center for Delivery, Organization, and Markets (CDOM), Healthcare Cost and Utilization Project (HCUP), State Inpatient Databases (SID), disparities analysis file.
Denominator
Adult U.S. population age 18 and over by subcategory (race, age group, gender, median household income level, urbanization, and region).
Numerator
Subset of the denominator with principal diagnosis of angina (International Classification of Diseases, Ninth Revision, Clinical Modification [ICD-9-CM] codes 411.1 - 411.89, 413.0-413.9), excluding patients with cardiac procedures, obstetric and neonatal admissions, and transfers from other institutions.
Comments
Rates are adjusted by age and gender using the total U.S. population for 2000 as the standard population. When reporting is by age, the adjustment is by gender only; when reporting is by gender, the adjustment is by age only.
This table was created using version 3.1 of the AHRQ PQI software. This measure is referred to as PQI 13 in the software documentation. More information about the AHRQ Quality Indicators is available at http://www.qualityindicators.ahrq.gov.
The SID disparities analysis file, created specifically for this report to provide national estimates on disparities, consists of weighted records from a sample of hospitals from the following 23 States that participate in HCUP and have high-quality race/ethnicity data: AZ, AR, CA, CO, CT, FL, GA, HI, KS, MD, MA, MI, MO, NH, NJ, NY, OK, RI, SC, TN, TX, VT, and WI.
Avoidable Admissions
Measure Title
Avoidable admissions for chronic obstructive pulmonary disease per 100,000 population age 18 and over.
Measure Source
Agency for Healthcare Research and Quality (AHRQ), Prevention Quality Indicators (PQIs).
Table
15_2_3.1 Admissions for chronic obstructive pulmonary disease (excluding obstetric admissions and transfers from other institutions) per 100,000 population, age 18 and over, United States, 2005, by:
- Race/ethnicity.
Data Source
AHRQ, Center for Delivery, Organization, and Markets (CDOM), Healthcare Cost and Utilization Project (HCUP), State Inpatient Databases (SID), disparities analysis file.
Denominator
Adult U.S. population age 18 and over by subcategory (race, age group, gender, median household income level, urbanization, and region).
Numerator
Subset of the denominator with principal diagnosis of chronic obstructive pulmonary disease (COPD) (International Classification of Diseases, Ninth Revision, Clinical Modification [ICD-9-CM] codes 490, 466.0, 491.0-491.21, 491.8, 491.9, 492.0, 492.8, 494.0, 494.1, 496), excluding obstetric and neonatal admissions and transfers from other institutions.
Comments
Rates are adjusted by age and gender using the total U.S. population for 2000 as the standard population. When reporting is by age, the adjustment is by gender only; when reporting is by gender, the adjustment is by age only.
This table was created using version 3.1 of the AHRQ PQI software. This measure is referred to as PQI 5 in the software documentation. More information about the AHRQ Quality Indicators is available at http://www.qualityindicators.ahrq.gov.
The SID disparities analysis file, created specifically for this report to provide national estimates on disparities, consists of weighted records from a sample of hospitals from the following 23 States that participate in HCUP and have high-quality race/ethnicity data: AZ, AR, CA, CO, CT, FL, GA, HI, KS, MD, MA, MI, MO, NH, NJ, NY, OK, RI, SC, TN, TX, VT, and WI.
Avoidable Admissions
Measure Title
Avoidable admissions for bacterial pneumonia per 100,000 population.
Measure Source
Agency for Healthcare Research and Quality (AHRQ), Prevention Quality Indicators (PQIs).
Table
15_2_4.1 Bacterial pneumonia admissions (excluding sickle cell or hemoglobin-S conditions, transfers from other institutions, and obstetric admissions) per 100,000 population, age 18 and over, United States, 2005, by:
- Race/ethnicity.
Data Source
AHRQ, Center for Delivery, Organization, and Markets (CDOM), Healthcare Cost and Utilization Project (HCUP), State Inpatient Databases (SID), disparities analysis file.
Denominator
Adult U.S. population age 18 and over by subcategory (race, age group, gender, median household income level, urbanization, and region).
Numerator
Nonmaternal discharges with principal diagnosis of bacterial pneumonia (International Classification of Diseases, Ninth Revision, Clinical Modification [ICD-9-CM] codes 481, 482.2-483.8, 485, 486), excluding sickle cell or hemoglobin-S conditions, obstetric and neonatal admissions, and transfers from other institutions.
Comments
Rates are adjusted by age and gender using the total U.S. population for 2000 as the standard population. When reporting is by age, the adjustment is by gender only; when reporting is by gender, the adjustment is by age only.
This table was created using version 3.1 of the AHRQ PQI software. This measure is referred to as PQI 11 in the software documentation. More information about the AHRQ Quality Indicators is available at http://www.qualityindicators.ahrq.gov.
The SID disparities analysis file, created specifically for this report to provide national estimates on disparities, consists of weighted records from a sample of hospitals from the following 23 States that participate in HCUP and have high-quality race/ethnicity data: AZ, AR, CA, CO, CT, FL, GA, HI, KS, MD, MA, MI, MO, NH, NJ, NY, OK, RI, SC, TN, TX, VT, and WI.
Avoidable Admissions
Measure Title
Perforated appendixes per 1,000 admissions with appendicitis.
Measure Source
Agency for Healthcare Research and Quality (AHRQ), Prevention Quality Indicators (PQIs).
Table
15_2_5.1 Admissions with perforated appendix per 1,000 admissions, age 18 and over, with appendicitis (excluding obstetric admissions and transfers from other institutions), United States, 2005, by:
- Race/ethnicity.
Data Source
AHRQ, Center for Delivery, Organization, and Markets (CDOM), Healthcare Cost and Utilization Project (HCUP), State Inpatient Databases (SID), disparities analysis file.
Denominator
Nonmaternal discharges with principal or secondary diagnosis of appendicitis, excluding transfer from other institutions.
Numerator
Subset of the denominator with principal or secondary diagnosis code for perforation or abscess of appendix.
Comments
Rates are adjusted by age and gender using the total U.S. population for 2000 as the standard population. When reporting is by age, the adjustment is by gender only; when reporting is by gender, the adjustment is by age only.
This table was created using version 3.1 of the AHRQ PQI software. This measure is referred to as PQI 2 in the software documentation. More information about the AHRQ Quality Indicators is available at http://www.qualityindicators.ahrq.gov.
The SID disparities analysis file, created specifically for this report to provide national estimates on disparities, consists of weighted records from a sample of hospitals from the following 23 States that participate in HCUP and have high-quality race/ethnicity data: AZ, AR, CA, CO, CT, FL, GA, HI, KS, MD, MA, MI, MO, NH, NJ, NY, OK, RI, SC, TN, TX, VT, and WI.
Mental Health Care and Substance Abuse Treatment
Measure Title
Adults who received mental health treatment or counseling in the last 12 months.
Measure Source
Substance Abuse and Mental Health Services Administration (SAMHSA).
Tables
15_3_1.1 Adults who received mental health treatment or counseling in the last 12 months, United States, 2006, by:
- Race.
- Ethnicity.
- Family income.
- Education.
Data Source
SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health (NSDUH).
Denominator
Adults age 18 and over.
Numerator
Adults age 18 and over who reported receipt of mental health treatment or counseling in the last 12 months.
Mental Health Care and Substance Abuse Treatment
Measure Title
Adults who received outpatient mental health treatment or counseling in the last 12 months.
Measure Source
Substance Abuse and Mental Health Services Administration (SAMHSA).
Tables
15_3_2.1 Adults who received outpatient mental health treatment or counseling in the last 12 months, United States, 2006, by:
- Race.
- Ethnicity.
- Family income.
- Education.
Data Source
SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health (NSDUH).
Denominator
Adults age 18 and over.
Numerator
Adults age 18 and over who reported receipt of outpatient mental health treatment or counseling in the last 12 months.
Mental Health Care and Substance Abuse Treatment
Measure Title
Adults who received prescription medications for mental health treatment in the last 12 months.
Measure Source
Substance Abuse and Mental Health Services Administration (SAMHSA).
Tables
15_3_3.1 Adults who received prescription medications for mental health treatment in the last 12 months, United States, 2006, by:
- Race.
- Ethnicity.
- Family income.
- Education.
Data Source
SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health (NSDUH).
Denominator
Adults age 18 and over.
Numerator
Adults age 18 and over who reported receipt of prescription medications for mental health treatment or counseling in the last 12 months.
Mental Health Care and Substance Abuse Treatment
Measure Title
Adults who received inpatient mental health treatment or counseling in the last 12 months.
Measure Source
Substance Abuse and Mental Health Services Administration (SAMHSA).
Tables
15_3_4.1 Adults who received inpatient mental health treatment or counseling in the last 12 months, United States, 2006, by:
- Race.
- Ethnicity.
- Family income.
- Education.
Data Source
SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health (NSDUH).
Denominator
Adults age 18 and over.
Numerator
Adults age 18 and over who reported receipt of inpatient mental health treatment or counseling in the last 12 months.
Mental Health Care and Substance Abuse Treatment
Measure Title
People age 12 and over who received any treatment for illicit drug or alcohol abuse in the last 12 months.
Measure Source
Substance Abuse and Mental Health Services Administration (SAMHSA).
Tables
15_3_5.1 People age 12 and over who received any treatment for illicit drug or alcohol abuse in the last 12 months, United States, 2006, by:
- Race.
- Ethnicity.
- Family income.
- Education.
Data Source
SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health (NSDUH).
Denominator
People age 12 and over.
Numerator
People age 12 and over who received any treatment for illicit drug or alcohol abuse in the last 12 months.


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