AHRQ Stats

New data nuggets from AHRQ News Now posted weekly to highlight AHRQ statistical reports on health care trends.

Highest Hospital Readmission Rates by Payer
Thirty-day all-cause hospital readmission rates in 2014 were highest among patients covered by Medicare (17 percent), followed by those with Medicaid (14 percent), no insurance (12 percent) and private insurance (9 percent). (Source: Healthcare Cost and Utilization Project Statistical Brief #230: A Comparison of All-Cause 7-Day and 30-Day Readmissions, 2014.)

Kidney Failure Hospitalizations in the Midwest
Hospital stays for acute kidney failure grew 79 percent in the Midwest from 2005 to 2014, the largest increase of any region. (Source: Healthcare Cost and Utilization Project Statistical Brief #231: Acute Renal Failure Hospitalizations, 2005–2014.)

Highest Hospital Readmission Rates
Thirty-day all-cause hospital readmission rates in 2014 were highest for patients with congestive heart failure (23.2 per 100 admissions), schizophrenia and other psychotic disorders (22.9), and respiratory failure (21.6). (Source: Healthcare Cost and Utilization Project Statistical Brief #230: A Comparison of All-Cause 7-Day and 30-Day Readmissions, 2014.)

Schizophrenia's Role in Hospital Admissions
Schizophrenia was the principal diagnosis in more than half of African Americans who were homeless and admitted to hospitals through emergency departments for mental or substance use disorders in 2014. (Source: Healthcare Cost and Utilization Project Statistical Brief #229: Characteristics of Homeless Individuals Using Emergency Department Services in 2014.)

Trends in Payments for Emergency Department Care
From 2006 to 2014, the number of emergency department (ED) visits covered by Medicaid increased by 66 percent while the number covered by Medicare rose by 29 percent. ED visits covered by private insurance, meanwhile, decreased by 10 percent. (Source: Healthcare Cost and Utilization Project Statistical Brief #227: Trends in Emergency Department Visits, 2006–2014.)

Trends in Emergency Department Visits
Emergency department (ED) visits increased 15 percent from 2006 to 2014. During that time, ED visits for injuries decreased by 13 percent while ED visits for mental health/substance abuse increased by 44 percent. (Source: Healthcare Cost and Utilization Project Statistical Brief #227: Trends in Emergency Department Visits, 2006–2014.)

Insurance Payments for Child Orthopedic Visits
The average payment for a child’s visit to an orthopedist when covered by private insurance was $423 in 2014-2015, compared with $162 when covered by Medicaid. (Source: Medical Expenditure Panel Survey Statistical Brief #504: Differences in Payments for Child Visits to Office-Based Physicians: Private versus Medicaid Insurance, 2010 to 2015.)

Differences in Insurance Payments for Child Visits to Physicians
In 2015, payments for child visits to a physician’s office averaged $88 higher when covered by private insurance compared with visits covered by Medicaid. (Source: Medical Expenditure Panel Survey Statistical Brief #504: Differences in Payments for Child Visits to Office-Based Physicians: Private versus Medicaid Insurance, 2010 to 2015.)

Medication Errors Among Seniors
The percentage of adults age 65 and older who received potentially inappropriate prescription medications declined from 19 percent in 2003 to 12 percent in 2014. (Source: 2016 National Healthcare Quality and Disparities Report, Chartbook on Patient Safety.)

Hospital-Acquired Conditions
The overall rate of hospital-acquired conditions, such as pressure ulcers or adverse drug events, decreased 21 percent between 2010 and 2015, from 145 to 115 per 1,000 hospital discharges. (Source: 2016 National Healthcare Quality and Disparity Report, Chartbook on Patient Safety.)

Insurance Trends Among Hispanics, Blacks
The uninsured rate among Hispanics declined from 42 percent in 2010 to 26 percent in 2016. The uninsured rate for blacks during the same period declined from 28 percent to 15 percent. (Source: 2016 National Healthcare Quality and Disparities Report.)

Disparities in Patient Safety
In 2013-2014, blacks and Hispanics received worse health care than whites in more than 20 percent of patient safety measures. Meanwhile, Asians received worse care than whites for 35 percent of such measures. (Source: 2016 National Healthcare Quality and Disparities Report, Chartbook on Patient Safety.)

Decreasing Uninsurance
From 2010 to 2016, the overall rate of uninsured people under age 65 decreased from 18 percent to 11 percent. (Source: 2016 National Healthcare Quality and Disparities Report.)

Health Care Coverage for Young Adults
Young adults ages 18 to 29 made up the largest percentage of people gaining health care coverage from 2010 to 2016. The uninsured rate for this group declined by more than half, from 31 percent to 15 percent. (Source: 2016 National Healthcare Quality and Disparities Report.)

Coverage for Patients With Chronic Conditions
About 15 percent of Americans under 65 with no chronic conditions lacked health insurance throughout 2015, down from about 23 percent in 2013. The trend was similar among nonelderly adults with at least one chronic condition, whose uninsurance rate dropped to about 9 percent in 2015 from 16 percent in 2013. (Source: Medical Expenditure Panel Survey Research Findings #36: Uninsurance and Insurance Transitions, 2012-2013 through 2014-2015: Estimates for U.S., Non-Elderly Adults by Health Status, Presence of Chronic Conditions, and State Medicaid Expansion Status.)

Opioid-Related Hospital Stays Increase in Small Metro Areas
Opioid-related hospital stays more than doubled nationwide between 2005 and 2014 in small metropolitan areas (counties with 50,000 to 249,000 people). (Source: Healthcare Cost and Utilization Project Statistical Brief #226: Patient Residence Characteristics of Opioid-Related Inpatient Stays and Emergency Department Visits Nationally and by State, 2014.)

Cost Trends for Hospital Stays
From 2005 to 2014, the average inflation-adjusted cost of a hospital stay increased approximately 13 percent, from $9,500 to $10,900. Average costs for stays covered by Medicaid and private insurance increased 16 to 18 percent. Costs rose 8 percent for Medicare stays and 7 percent for uninsured stays. (AHRQ, Healthcare Cost and Utilization Project Statistical Brief #225: Trends in Hospital Inpatient Stays in the United States, 2005-2014.)

Insurance Coverage for Hospital Stays
From 2005 to 2014, the number of Medicaid-insured hospital stays increased nearly 16 percent, while privately insured and uninsured hospital stays both decreased nearly 13 percent. Medicare-insured stays remained essentially unchanged. (Source: Healthcare Cost and Utilization Project Statistical Brief #225: Trends in Hospital Inpatient Stays in the United States, 2005-2014.)

Hospital Stays Decline for Coronary Atherosclerosis
Hospital stays for coronary atherosclerosis decreased from more than 1 million in 2005 to fewer than 400,000 in 2014, a decline of more than 60 percent. (Healthcare Cost and Utilization Project Statistical Brief #225: Trends in Hospital Inpatient Stays in the United States, 2005-2014.)

Hospital Care for Mental Health/Substance Use
The proportion of hospital stays for mental health/substance use increased by 20 percent from 2005 to 2014, representing nearly 6 percent of all hospital stays by 2014. (Source: Healthcare Cost and Utilization Project Statistical Brief #225: Trends in Hospital Inpatient Stays in the United States, 2005-2014.)

Hospital Care for Septicemia
Hospital stays for septicemia (blood infection) nearly tripled between 2005 and 2014 and exceeded more than 1.5 million stays by 2014. (Source: Healthcare Cost and Utilization Project Statistical Brief #225: Trends in Hospital Inpatient Stays in the United States, 2005-2014.)

Declines in Employer-Sponsored Insurance
Enrollment rates for employer-sponsored insurance fell 7.1 percentage points from 2008 to 2015 in states that expanded Medicaid under the Affordable Care Act. The decline was 4.5 percentage points in non-expansion states. (Source: Medical Expenditure Panel Survey Statistical Brief #499, Trends in Enrollment, Offers, Eligibility and Take-Up for Employer-Sponsored Insurance: Private Sector, by State Medicaid Expansion Status, 2008-2015.)

Outpatient Appendectomies
Of nearly 448,000 appendectomies in 2014, about 47 percent were performed as outpatient procedures. (Source:  Healthcare Cost and Utilization Project Statistical Brief #223, Surgeries in Hospital-Based Ambulatory Surgery and Hospital Inpatient Settings, 2014.)

Hospital Stays for Older HIV Patients
Although hospital stays for patients diagnosed with HIV fell 49 percent from 2006 to 2013, stays among older HIV patients increased—by 27 percent for patients between 55 and 64, and by 57 percent for patients 65 and older. (Source: Healthcare Cost and Utilization Project Statistical Brief #206: HIV Hospital Stays in the United States, 2006‑2013.)

Outpatient Cardiac Surgeries
In 2014, 53 percent of hospital-based surgeries involving the insertion, revision, replacement or removal of a cardiac pacemaker or cardioverter/defibrillator were performed in an outpatient setting. (Source: Healthcare Cost and Utilization Project Statistical Brief #223, Surgeries in Hospital-Based Ambulatory Surgery and Hospital Inpatient Settings, 2014.)

Highest Average Expenses for Common Conditions
For the nine most commonly treated conditions among U.S. adults in 2013, the highest average expenses per person were for the treatment of heart conditions ($3,794 per person), trauma-related disorders ($3,070) and diabetes ($2,565). (Source: Medical Expenditure Panel Survey Statistical Brief #487: Expenditures for Commonly Treated Conditions among Adults Age 18 and Older in the U.S. Civilian Noninstitutionalized Population, 2013.

Patterns in Office-Based Medical Care
Among people with a usual doctor's office to visit for medical care in 2015, a majority visited an independent physician practice (55 percent). Others visited a hospital-owned physician network (19 percent) or a nonprofit or government clinic (17 percent). (Source: Medical Expenditure Panel Survey Statistical Brief #502: Characteristics of Practices Used as Usual Source of Care Providers during 2015 – Results from the MEPS Medical Organizations Survey.)

Hospital Costs for HIV Patients
The overall hospital costs of treating patients with HIV fell by 12 percent between 2006 and 2013, from $3.2 billion to $2.8 billion. (Source: Healthcare Cost and Utilization Project Statistical Brief #206: HIV Hospital Stays in the United States, 2006–2013.

Declines in Employer-Sponsored Insurance
The insurance enrollment rate for private-sector employees in states that expanded Medicaid fell by 7.1 percentage points from 2008 to 2015, while the decline was 4.5 percentage points in non-expansion states. (Source: Medical Expenditure Panel Survey Statistical Brief 499, Trends in Enrollment, Offers, Eligibility and Take-Up for Employer-Sponsored Insurance: Private Sector, by State Medicaid Expansion Status, 2008-2015.)

Substance Abuse-Related Disorders Among Hospitalized HIV Patients
Substance abuse-related disorders among hospitalized HIV patients decreased by 27 percent from 2006 to 2013. (Source: Healthcare Cost and Utilization Project Statistical Brief #206: HIV Hospital Stays in the United States, 2006–2013.)

National Health Care Spending
Of the $1.4 trillion spent on health care in 2013, about 38 percent of spending was for ambulatory care while about 28 percent was for hospital inpatient care and 22 percent was for prescription medicines. (Source: Medical Expenditure Panel Survey Statistical Brief #491: National Health Care Expenses in the U.S. Civilian Noninstitutionalized Population, Distributions by Type of Service and Source of Payment, 2013.)

Medical Care for Children
In 2014, approximately 8 percent of U.S. children younger than 18 (about 5.8 million children) were reported as not having a usual source of care. (Source: Medical Expenditure Panel Survey Statistical Brief #501: Children's Usual Source of Care: Insurance, Income, and Racial/Ethnic Disparities, 2004-2014.)

Out-of-Pocket Spending Among Seniors
Among seniors with Medicare and additional public coverage such as Medicaid, inflation-adjusted out-of-pocket payments for medical care decreased from an average of $1,253 in 2000 to $427 in 2014. (Source: Medical Expenditure Panel Survey Statistical Brief #500: Out-of-Pocket Health Care Expenses for Medical Services, by Insurance Coverage, 2000-2014.)

Decline in Hospital-Acquired Conditions
Improvements in patient safety led to fewer deaths from hospital-acquired conditions (HACs) from 2010 to 2015. Compared with the HAC rate in 2010, more than 37,000 fewer patients died from HACs in 2015. The improvement saved about $8.3 billion in 2015. (Source: National Scorecard on Rates of Hospital-Acquired Conditions 2010 to 2015: Interim Data From National Efforts to Make Health Care Safer.)

Medicare "Super-Utilizer" Patients
"Super-utilizers"—patients who visit an emergency department (ED) four times or more in a year—accounted for 19 percent of ED visits by people on Medicare for urinary tract infections in 2014. (Source: Characteristics of Emergency Department Visits for Super-Utilizers by Payer, 2014.)

Out-of-Pocket Expenses for Chronic Conditions
Among adults with health care expenses in 2014, those treated for multiple chronic conditions had average out-of-pocket expenses that were more than three times as high as expenses for adults with one or no chronic condition ($13,031 versus $3,579). (Source: Out-of-Pocket Expenditures for Adults with Health Care Expenses for Multiple Chronic Conditions, U.S. Civilian Noninstitutionalized Population, 2014.)

Opioid-Related Emergency Department Care
Opioid-related emergency department visits more than doubled between 2009 and 2014 in three states—Minnesota, Ohio and South Dakota.  (Source: Opioid-Related Inpatient Stays and Emergency Department Visit by State, 2009-2014.)

Insurance for Young Adults
As of mid-2015, young adults ages 18 to 29 were the most likely to gain health insurance coverage since January 2010. The uninsured rate for this group declined from 31 percent to 15 percent. (Source: 2015 National Healthcare Quality and Disparities Report and 5th Anniversary Update on the National Quality Strategy.)

Patient-Provider Communication
From 2002 to 2013, the portion of uninsured adults who reported poor communication with health care providers dropped from 19 percent to 14 percent. (Source: 2015 National Healthcare Quality and Disparities Report Chartbook on Person- and Family-Centered Care.)

End-of-Life Care
In 2014, hospice patients who were age 65 and older reported receiving care consistent with their end-of-life wishes about 95 percent of the time. (Source: 2015 National Healthcare Quality and Disparities Report Chartbook on Person- and Family-Centered Care.)

Opioid-Related Emergency Department Care
Massachusetts, Rhode Island, Maryland, Ohio and Connecticut were the states with the highest rates of opioid-related emergency department visits in 2014. (Source: Opioid-Related Inpatient Stays and Emergency Department Visits by State, 2009-2014.)

Readmissions for Malnutrition
In 2013, the 30-day hospital readmission rate for patients with malnutrition was 23 per 100 initial hospital stays, compared with 15 per 100 for patients without malnutrition. (Source: All-Cause Readmissions Following Hospital Stays for Patients With Malnutrition, 2013.)

MRSA in California
In 2013, 8 percent of patients in California with MRSA (methicillin-resistant Staphylococcus aureus) acquired the infection during a hospital stay. (Source: Hospital-, Health Care-, and Community-Acquired MRSA: Estimates From California Hospitals, 2013.)

Treatment of Burn-Related Injuries
Between 1993 and 2013, rates of burn-related hospital stays decreased 35 percent while burn-related emergency department visits declined 17 percent. Infants had the highest rates of burn-related hospital stays and emergency department visits in 2013. (Source: Burn-Related Hospital Inpatient Stays and Emergency Department Visits, 2013.)

Rates of Hysterectomy and Oophorectomy
Hysterectomies performed in ambulatory surgery or inpatient settings without oophorectomy (removal of ovaries) increased nearly 15 percent from 2005 to 2013. During the same period, however, the rate of hysterectomies performed in combination with oophorectomies decreased nearly 30 percent. (Source: Trends in Hysterectomies and Oophorectomies in Hospital Inpatient and Ambulatory Settings, 2005–2013.)

Page last reviewed November 2017
Page originally created February 2017
Internet Citation: AHRQ Stats. Content last reviewed November 2017. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/news/newsroom/ahrq-stats.html