Papers by Anne Elixhauser
This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on h... more This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on hospital inpatient stays and treat-and-release emergency department (ED) visits for infectious enteritis and foodborne noninfectious gastroenteritis and diarrhea. Case definitions were based on previously published research on foodborne illnesses in 2009 (see table under “Definitions” for specific ICD-9-CM codes used in this analysis). Inpatient hospital stays and treat-and-release emergency department (ED) visits with all-listed diagnoses for infectious enteritis and nonspecific gastroenteritis diagnoses are included. The total number of inpatient stays and ED visits are reported for infectious enteritis and foodborne illness, as well as for the less specific diagnoses. In addition, details are provided focusing on specific types of foodborne illness-related inpatient stays and ED visits. Characteristics and population rates are highlighted, trends in population rates of inpatient stays ...
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This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on c... more This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on characteristics of hospital admissions in the U.S. related to the treatment of tuberculosis in 2006. Variation in the characteristics of stays principally for tuberculosis and hospitalizations with a secondary diagnosis of tuberculosis are compared to other hospitalizations, excluding maternal and neonatal hospitalizations. Additionally, trends in tuberculosis hospitalizations are examined from 1995 to 2006, and information on payer, income level, and principal diagnoses for stays with a secondary diagnosis of tuberculosis are also presented. All differences between estimates noted in the text are statistically significant at the 0.05 level or better.
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In this Statistical Brief, readmission was defined as a subsequent hospital admission within 30 d... more In this Statistical Brief, readmission was defined as a subsequent hospital admission within 30 days following an original admission (or index stay) with a major operating room procedure that occurred from January through November 2010. All-cause readmissions were examined; thus, readmissions may or may not include procedures that were listed during the index stay. Readmissions were tracked across the same or different hospitals. Some readmissions may be planned or unavoidable—no attempt was made to remove these types of readmissions from the analysis. Readmission rates using Healthcare Cost and Utilization Project (HCUP) data are provided for the most frequent procedures treated in U.S. hospitals during 2010 and for the procedures with the highest readmission rates. All estimates were taken from HCUPnet, the online query system that provides free access to information from HCUP. For a subset of procedures, readmission rates are presented by age group and expected primary payer (ins...
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This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on h... more This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on hospital inpatient stays and treat-and-release emergency department (ED) visits for infectious enteritis and foodborne noninfectious gastroenteritis and diarrhea. Case definitions were based on previously published research on foodborne illnesses in 2009 (see table under “Definitions” for specific ICD-9-CM codes used in this analysis). Inpatient hospital stays and treat-and-release emergency department (ED) visits with all-listed diagnoses for infectious enteritis and nonspecific gastroenteritis diagnoses are included. The total number of inpatient stays and ED visits are reported for infectious enteritis and foodborne illness, as well as for the less specific diagnoses. In addition, details are provided focusing on specific types of foodborne illness-related inpatient stays and ED visits. Characteristics and population rates are highlighted, trends in population rates of inpatient stays ...
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This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) Nati... more This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) Nationwide Inpatient Sample (NIS) on hospital stays for septicemia in 2000 and 2009. In this Statistical Brief, characteristics of stays for septicemia hospitalizations, including utilization, cost, patient populations, and geographic locations are compared with the characteristics of all other hospital stays. All differences between estimates noted in the text are statistically significant at the 0.05 level or better. Cases reported here include any case of septicemia regardless of when the condition originated, prior to or during a hospital stay.
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The Agency for Healthcare Research and Quality has provided an annual overview of national statis... more The Agency for Healthcare Research and Quality has provided an annual overview of national statistics on inpatient hospital stays using data from the Healthcare Cost and Utilization Project (HCUP) since 2005. The results from 2005 through 2009 are presented in a series of HCUP Facts and Figures reports. The overview of 2010 data was published in Statistical Brief #144, Overview of Hospital Stays in the United States, 2010. The present Statistical Brief provides 2011 data on characteristics of stays in community hospitals in the United States and compares the results to data from previous years. Statistics also are included for stays by primary payer, age, discharge status, and community income. All differences between estimates noted in the text are statistically significant at the .001 level or better.
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This Statistical Brief provides data from the Healthcare Cost and Utilization Project (HCUP) on t... more This Statistical Brief provides data from the Healthcare Cost and Utilization Project (HCUP) on the hospital treatment of GI diseases in 2004. The usage and cost of hospital stays for GI diseases are compared with hospital stays for all conditions. Additionally, the most common GI diseases resulting in hospital admission are described, and variations in hospital utilization are illustrated by payer. Finally, the GI diseases with the largest change in the number of hospital stays between 1994 and 2004 are examined. All differences between estimates noted in the text are statistically significant at the 0.05 level or better.
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This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on t... more This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on the treatment of influenza in U.S. hospitals in 2004. Hospital utilization and costs for the treatment of influenza are compared with hospital stays for all conditions. Additionally, differences in hospital utilization, emergency admissions, and in-hospital deaths related to this condition are examined. All differences between estimates noted in the text are statistically significant at the 0.05 level or better.
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This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on h... more This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on hospitalizations among the near-elderly (patients 55 to 64 years old) in 2007. Specifically, near-elderly hospital stays are compared with other adult hospitalizations and differences in utilization and patient characteristics are examined by insurance status. Additionally, this report provides information about the types of diagnoses most often associated with near-elderly hospitalizations and specific procedures commonly performed during these stays. All differences between estimates provided in the text are statistically significant at the 0.05 level or better.
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This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on c... more This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on changes in the rates of potentially preventable hospital admissions and their associated total hospital costs. It updates statistics previously reported for the 1997 through 2004 time period. Admission rates for selected chronic and acute conditions in adults and children for 2005 through 2010 were developed using the Agency for Healthcare Research and Quality (AHRQ) Prevention Quality Indicators (PQIs). The conditions examined for adults aged 18 years and older were related to diabetes, circulatory diseases, chronic respiratory diseases, and select acute conditions (bacterial pneumonia, dehydration, and urinary tract infection). The conditions examined for children younger than 18 years were diabetes, asthma, gastroenteritis, and urinary tract infection. All differences between estimates noted in the text are significant at the 0.05 level or better.
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This Statistical Brief presents updated data from the Healthcare Cost and Utilization Project (HC... more This Statistical Brief presents updated data from the Healthcare Cost and Utilization Project (HCUP). It also expands prior analyses by examining the growth in costs from 1997–2009 associated with the 20 most common inpatient diagnoses for the elderly (aged 65 or older) and non-elderly populations (younger than 65). All differences between estimates provided in the text are statistically significant at the 0.05 level or lower. Costs for 1997 were inflation adjusted to 2009 dollars.
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Clostridium difficile is a common cause of health care associated infectious colitis with symptom... more Clostridium difficile is a common cause of health care associated infectious colitis with symptoms ranging from mild diarrhea to pseudomembranous colitis and toxic megacolon.Clostridium difficile infections (CDI) often occur as a complication of antibiotic therapy with certain populations, such as the elderly, at highest risk. Previous reports in this series described steady increases during the past decade; however, the number of CDI hospital stays leveled off during 2008–2010.,, The problem of readmissions to the hospital is receiving increased attention,, although information on hospital readmissions following CDI is limited. One report examined CDI readmissions for a single county in California and tracked readmissions up to 12 weeks after discharge for CDI. This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on 30-day and 90-day CDI readmissions in U.S. hospitals during 2009. CDI index stays are defined as hospitalizations with any CDI d...
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This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on c... more This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on characteristics of hospital stays related to the treatment of lung cancer in 2006. Characteristics of stays for lung cancer are compared to all non-maternal, non-neonatal hospitalizations. Differences by age, gender, payer, and region are also investigated for principal and secondary lung cancer diagnoses. Additionally, common principal diagnoses and procedures associated with lung cancer-related stays are outlined. All differences between estimates noted in the text are statistically significant at the 0.05 level or better.
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This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on t... more This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on the treatment of prostate cancer in U.S. hospitals in 2004. The utilization and cost of hospital stays for prostate cancer are compared with all hospital stays for males. Age and payer differences among these hospital stays are also presented. Finally, commonly performed procedures used to treat prostate cancer and inpatient use of these procedures are examined. All differences between estimates noted in the text are statistically significant at the 0.05 level or better.
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This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) comp... more This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) comparing patient characteristics and hospital utilization among patients 40 years and older for all COPD stays, including stays for an acute exacerbation of COPD and stays without an acute exacerbation (i.e., all other COPD stays). In addition, this report examines the secondary diagnoses commonly associated with a principal diagnosis of COPD, the principal diagnoses of patients who have COPD as a secondary diagnosis, and the procedures that are frequently performed during stays for COPD. All differences between estimates noted in the text are statistically significant at the 0.05 level or better.
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This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) Nati... more This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) Nationwide Inpatient Sample (NIS) on hospitalizations for childbirth with and without complicating conditions in 2009. It examines stays for both vaginal deliveries and Cesarean sections and compares rates of complicating conditions among both types of stays. All data are reported from the maternal perspective (i.e., reflecting the experience of the mother, not the newborn). For the purpose of this Brief, “complicating conditions” include all ICD-9-CM diagnosis codes that are in the section entitled “Complications of Pregnancy, Childbirth, and the Puerperium” as outlined under “Definitions”.
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This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on t... more This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on the treatment of burns in U.S. hospitals in 2004. Hospital utilization and costs for the treatment of burns are compared with hospital stays for all non-maternal, non-birth conditions. Additionally, trends in hospital stays for burns and differences in the distribution of burn stays by various patient characteristics are examined. Finally, common causes of burn injuries resulting in admission, as well as the procedures performed on hospitalized burn patients, are described. All differences between estimates noted in the text are statistically significant at the 0.05 level or better.
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This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on h... more This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on hospital stays associated with chronic pulmonary heart disease in 2005. Specifically, this report compares pulmonary heart disease-related hospitalizations to all hospital stays and discusses trends in utilization, cost, and expected payer characteristics. Additionally, it provides information about the most common reasons why patients with pulmonary heart disease as a secondary condition are admitted to the hospital and the impact of pulmonary heart disease on congestive heart failure (CHF) patients. All differences between estimates provided in the text are statistically significant at the 0.05 level or better.
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This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on s... more This Statistical Brief presents data from the Healthcare Cost and Utilization Project (HCUP) on stays related to brain cancer, or malignant brain tumors, in U.S. commu nity hospitals in 2006. Characteristics of stays for brain cancer are compared to all hospital stays, excluding newborns and maternal stays for childbirth. Differences by age, gender, payer, and region are also investigated for principal and secondary brain cancer diagnoses. In addition, common principal diagnoses for brain cancer-related stays are outlined. All differences between estimates noted in the text are statistically significant at the 0.05 level or better.
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Papers by Anne Elixhauser