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Purpose: Healthcare-associated infections (HAIs) place a significant financial burden on United States hospitals. HAI treatments extend hospital lengths of stay and increase hospital operational costs while significantly reducing hospital profit margins. Given these challenges, the research aim of this study was to explore the association between HAIs and hospital financial performance. A better understanding of this relationship can assist hospital leaders in optimizing the use of scarce financial resources to reduce HAI prevalence. Methods: Data for calendar year 2022 for active short-term acute care hospitals (n = 1454) in the US were analyzed using multiple linear regression analysis. We explored two derived dependent variables, operating expense per staffed bed and operating expense per discharge. The independent variables included four healthcare-associated infection rates: methicillin-resistant Staphylococcus aureus (MRSA) infection rate, Clostridium difficile (C. diff) infection rate, Catheter-Associated Urinary Tract Infection (CAUTI) rate, and Central Line Associated Blood Stream Infections (CLABSI). Appropriate organizational and market-level variables that may independently influence hospital financial performance were included as control variables. Results: The results revealed that C. diff (ß: 0.037, p < 0.05) and CAUTI (ß: 0.031, p < 0.05) rates were positively associated with an increase in operating expense per staffed bed, while increases in MRSA (ß: 0.042, p < 0.001), C. diff (ß: 0.062, p < 0.001), and CAUTI rates (ß: 0.039, p < 0.001) were correlated with increased operating expenses per discharge. Conclusions: This study demonstrates that specific HAIs may be associated with increased hospital expenses. Proactively targeting these infections through tailored interventions may lead to reduced hospital costs, improved financial performance, and economic stability.
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BACKGROUND AND OBJECTIVES: Existing research has associated nursing home (NH) staff turnover with poor performance, yet the impact of nursing home administrator (NHA) turnover remains relatively understudied. This study aimed to explore the relationship between NHA turnover and NH quality, and to determine if this relationship was mediated by registered nurse (RN) turnover. RESEARCH DESIGN AND METHODS: Utilizing data from multiple secondary sources, including the Care Compare: Skilled Nursing Facility Quality Reporting Program (SNF QRP) and LTCFocus.org, this study employed a longitudinal analysis covering the period 2021-2022 (nâ =â 19,645). The dependent variable was quality star ratings from SNF QRP, whereas the independent variable was NHA turnover, reflecting the number of administrators who left each facility annually. We used Baron and Kenny's mediation testing method, incorporating 2-way fixed effects (state and year level) with appropriate organizational and market level control variables. RESULTS: The results affirmed that NHA turnover negatively affected quality, decreasing the likelihood of a higher star rating by 14% with one departure and 25% with multiple departures (pâ =â .001). Additionally, NHA turnover correlated with an increase in RN turnover by 7% and 11%, respectively, for one and multiple departures (pâ =â .001). RN turnover fully mediated the impact of NHA turnover on quality, nullifying the direct effect of NHA turnover. DISCUSSION AND IMPLICATIONS: The results of this study highlight the synergistic relationship between administrators and caregivers in NHs. To enhance NHA retention, NHs should improve compensation and benefits. Nonetheless, broader governmental support and interventions might be necessary to sustain these improvements.
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Leadership , Nursing Homes , Personnel Turnover , Quality of Health Care , Humans , Personnel Turnover/statistics & numerical data , Nursing Homes/organization & administration , Longitudinal Studies , United States , Skilled Nursing Facilities/organization & administrationABSTRACT
Introduction: Staffing is critical to hospital quality, but recent years have seen hospitals grappling with severe shortages, forcing them to rely on contract or agency staff for urgent patient care needs. This shift in staffing mix has raised questions about its impact on quality. Consequently, this study investigated whether the increased use of agency staff has affected healthcare quality in hospitals. Given the limited recent research on this topic, practitioners remain uncertain about the effectiveness of their staffing strategies and their potential impact on quality. Methods: Drawing from agency theory, data were obtained from Definitive Healthcare which consolidates information from numerous public access databases pertaining to hospitals such as the American Hospital Association Annual Survey (hospital profile) and the Hospital Value-Based Purchasing Program (quality data). We conducted a cross-sectional study using a multivariable linear regression model (2021-2022) with appropriate organizational and market- level control variables. Quality was measured across eight variables while the independent variable of interest was agency labor cost ratio operationalized as the percentage of net patient revenue consumed by agency labor expense. Results: Our results suggested that the employment of agency staff was significantly and negatively associated with six of eight quality measures tested, including the Hospital Consumer Assessment of Healthcare Providers and Systems (HCAHPS) star rating, Hospital Compare rating, the hospital Total Performance Score (TPS), and three of the four sub-domains that comprise the TPS: clinical domain score, person and community engagement domain score, and the efficiency and cost reduction score. Discussion: Our results indicated that the increased use of agency labor may have a significant negative influence on quality outcomes at the hospital level. Our findings support the premise that interventions that promote full-time staffing may be more supportive of the quality of care delivered as well as patients' perceptions of care.
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Introduction: The nursing home (NH) industry operates within a two-tiered system, wherein high Medicaid NHs which disproportionately serve marginalized populations, exhibit poorer quality of care and financial performance. Utilizing the resource-based view of the firm, this study aimed to investigate the association between electronic health record (EHR) implementation and financial performance in high Medicaid NHs. A positive correlation could allow high Medicaid NHs to leverage technology to enhance efficiency and financial health, thereby establishing a business case for EHR investments. Methods: Data from 2017 to 2018 were sourced from mail surveys sent to the Director of Nursing in high Medicaid NHs (defined as having 85% or more Medicaid census, excluding facilities with over 10% private pay or 8% Medicare), and secondary sources like LTCFocus.org and Centers for Medicare & Medicaid Services cost reports. From the initial sample of 1,050 NHs, a 37% response rate was achieved (391 surveys). Propensity score inverse probability weighting was used to account for potential non-response bias. The independent variable, EHR Implementation Score (EIS), was calculated as the sum of scores across five EHR functionalities-administrative, documentation, order entry, results viewing, and clinical tools-and reflected the extent of electronic implementation. The dependent variable, total margin, represented NH financial performance. A multivariable linear regression model was used, adjusting for organizational and market-level control variables that may independently affect NH financial performance. Results: Approximately 76% of high Medicaid NHs had implemented EHR either fully or partially (n = 391). The multivariable regression model revealed that a one-unit increase in EIS was associated with a 0.12% increase in the total margin (p = 0.05, CI: -0.00-0.25). Conclusion: The findings highlight a potential business case -long-term financial returns for the initial investments required for EHR implementation. Nonetheless, policy interventions including subsidies may still be necessary to stimulate EHR implementation, particularly in high Medicaid NHs.
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Fundamental data analysis assists in the evaluation of critical questions to discern essential facts and elicit formerly invisible evidence. In this article, we provide clarity into a subtle phenomenon observed in cancer incidences throughout the time of the COVID-19 pandemic. We analyzed the cancer incidence data from the American Cancer Society [1]. We partitioned the data into three groups: the pre-COVID-19 years (2017, 2018), during the COVID-19 years (2019, 2020, 2021), and the post-COVID-19 years (2022, 2023). In a novel manner, we applied principal components analysis (PCA), computed the angles between the cancer incidence vectors, and then added lognormal probability concepts in our analysis. Our analytic results revealed that the cancer incidences shifted within each era (pre, during, and post), with a meaningful change in the cancer incidences occurring in 2020, the peak of the COVID-19 era. We defined, computed, and interpreted the exceedance probability for a cancer type to have 1000 incidences in a future year among the breast, cervical, colorectal, uterine corpus, leukemia, lung & bronchus, melanoma, Hodgkin's lymphoma, prostate, and urinary cancers. We also defined, estimated, and illustrated indices for other cancer diagnoses from the vantage point of breast cancer in pre, during, and post-COVID-19 eras. The angle vectors post the COVID-19 were 72% less than pre-pandemic and 28% less than during the pandemic. The movement of cancer vectors was dynamic between these eras, and movement greatly differed by type of cancer. A trend chart of cervical cancer showed statistical anomalies in the years 2019 and 2021. Based on our findings, a few future research directions are pointed out.
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Introduction: Nursing homes (NHs) serve as a safety net for vulnerable populations such as older adults and people with disabilities. Nursing Home Administrators (NHAs) play a crucial role in managing the daily operations of NHs, including overseeing direct care staff and establishing the facility's strategic direction. Unfortunately, NHs have consistently faced high NHA turnover rates, which have been linked to poor organizational performance. This study aims to investigate the relationship between NHA turnover and financial performance in NHs. Methods: Using an integrated perspective based on the upper echelons theory and the resource-based view of the firm, we investigated the association between NHA turnover and financial peformance using multiple secondary data sources, such as the Care Compare: Skilled Nursing Facility Quality Reporting Program and Brown University's Long Term Care Focus. We conducted a cross-sectional study using a multivariate linear regression model, measuring financial performance using operating margin while NHA turnover represents the number of administrators that left the organization. Results: Our findings indicate that NHs with higher NHA turnover rates have lower operating margins. Specifically, compared to facilities with no turnover, one NHA turnover is associated with a 1.14% decrease in operating margin, and two or more turnovers are associated with a 2.25% decrease. Discussion: This study contributes to the existing literature by demonstrating the financial impact of NHA turnover and provides further evidence of the need for targeted organizational and policy interventions to improve NHA retention.
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Obesity is an increasingly important concern in the delivery of high-quality nursing home care. Obese nursing home residents require specialized equipment and resources. As high Medicaid nursing homes have limited financial ability, they may lack the necessary resources to address the needs of obese residents. Moreover, there are variations in the availability of obesity-related specialized resources across these facilities. This study aims to investigate the organizational and market factors associated with the availability of obesity-related specialized resources in high-Medicaid nursing homes. Survey and secondary data sources for the study period 2017-2018 were utilized. The survey data were merged with Brown University's Long Term Care Focus (LTCFocus), Nursing Home Compare, and Area Health Resource File datasets. The dependent variable was the composite score of obesity-related specialized resources, ranging from 0-19. An ordinary least square regression with propensity score weights (to adjust for potential survey non-response bias), along with appropriate organizational/market level control variables were used for our analysis. Our results suggest that payer-mix (>Medicare residents) and a higher proportion of obese residents were positively associated with the availability of obesity-related specialized resources. Policymakers should consider implementing incentives, such as increased Medicaid payments, to assist high Medicaid nursing homes in addressing the specific needs of obese residents.
Subject(s)
Medicaid , Medicare , Aged , Humans , United States , Nursing Homes , Long-Term Care , Obesity/epidemiologyABSTRACT
Background: Although hospitals have been the traditional setting for interventional and rehabilitative care, skilled nursing facilities (SNFs) can offer a high-quality and less costly alternative than hospitals. Unfortunately, the financial health of SNFs is often a matter of concern. To partially address these issues, SNF leaders have increased engagement in a number of affiliations to assist in improving quality and reducing operational costs, including Accountable Care Organizations (ACOs), Health Information Exchanges (HIEs), and participation in Bundled Payment for Care Improvement (BPCI) programs. What is not well understood is what impact these affiliations have on the financial viability of the host organizations. Given these factors, this study aims to identify what association, if any, exists between SNF affiliations and revenue generation. Methods: Data from calendar year 2022 for n=13,447 SNFs in the US were assessed using multivariate regression analysis. We evaluated two separate dependent measures of revenue generation capacity: net patient revenue per bed and net patient revenue per discharge and considered three unique facility affiliations including (1) ACOs, (2) HIEs, and (3) BPCI participants. Results: Six multivariable linear regressions revealed that ACO affiliation is negatively associated with revenue generation on both dependent measures, while HIE affiliation and BPCI participation reflected mixed results. Conclusion: A better understanding of the financial impact of SNFs' affiliations may prove insightful. By carefully considering the value of each affiliation, and how each is applicable to any given market, policymakers, funding agencies, and facility leaders may be able to better position SNFs for more sustainable financial performance in a challenging economic environment.
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Introduction: The competent healing touch of a caregiver is a critical component to the care patients receive. The more skilled the provider, the higher the likelihood outcomes will be delivered in a safe and effective manner. Unfortunately, in recent years, hospitals in the United States have faced immense financial pressures that are threatening their economic sustainability and patients' access to care in the future. Through the recent COVID-19 pandemic, the cost of delivering healthcare has continued to escalate, while the demand for patient care has exceeded many hospitals' capacity. Most troubling is the impact that the pandemic has had on the healthcare workforce, which has resulted in many hospitals struggling to fill vacancies at ever-increasing cost - all while under immense pressure to deliver quality patient care. What remains uncertain is whether the increase in labor costs has been matched with a commensurate rise in the quality of care or if quality has deteriorated as the labor force mix has changed to include more contract and temporary staff. Thus, in the enclosed study, we sought to determine what association, if any, exists between hospitals' cost of labor and the quality of care delivered. Methods and Models: Drawing from a representative national sample of nearly 3214 short-term acute care hospitals' common quality measures from the year 2021, we examined the labor cost-quality relationship via multivariate linear and logistic regression and found there is a persistent negative association across all quality outcome variables studied. Discussion: These findings lead us to believe simply paying more for hospital labor does not, by itself, ensure a positive patient outcome. We contend cautious use of temporary staff, measured adoption of short-term financial incentives, and robust staff development all should be considered as features of future workforce planning.
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Rainforests play an important role in hydrological and carbon cycles, both at regional and global scales. They pump large quantities of moisture from the soil to the atmosphere and are major rainfall hotspots of the world. Satellite-observed stable water isotope ratios have played an essential role in determining sources of moisture in the atmosphere. Satellites provide information about the processes involving vapour transport in different zones of the world, identifying sources of rainfall and distinguishing moisture transport in monsoonal systems. This paper focuses on major rainforests of the world (Southern Amazon, Congo and Northeast India) to understand the role of continental evapotranspiration in influencing tropospheric water vapour. We have used satellite measurements of 1H2H16O/1H216O from Atmospheric InfraRed Sounder (AIRS), evapotranspiration (ET), solar-induced fluorescence (SIF), precipitation (P), atmospheric reanalysis-derived moisture flux convergence (MFC) and wind to discern the role of ET in influencing water vapour isotopes. A global map of the correlation between δ2Hv and ET-P flux indicates that densely vegetated regions in the tropics show the highest positive correlation (r > 0.5). Using mixing models and observations of specific humidity and isotopic ratio over these forested regions, we discern the source of moisture in pre-wet and wet seasons.
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Atmosphere , Steam , Oxygen Isotopes/analysis , Seasons , GasesABSTRACT
BACKGROUND: The overuse of short-acting ß2-agonists (SABA) is associated with poor asthma control. However, data on SABA use in the Gulf region are limited. Herein, we describe SABA prescription practices and clinical outcomes in patients with asthma from the Gulf cohort of the SABA use IN Asthma (SABINA) III study. METHODS: In this cross-sectional study conducted at 16 sites across Kuwait, Oman, and the United Arab Emirates, eligible patients (aged ≥ 12 years) with asthma were classified based on investigator-defined disease severity guided by the 2017 Global Initiative for Asthma report and by practice type, i.e., respiratory specialist or primary care physician. Data on demographics, disease characteristics, and prescribed asthma treatments, including SABA, in the 12 months prior to a single, prospective, study visit were transcribed onto electronic case report forms (eCRFs). All analyses were descriptive in nature. Continuous variables were summarized by the number of non-missing values, given as mean (standard deviation [SD]) and median (range). Categorical variables were summarized by frequency counts and percentages. RESULTS: This study analyzed data from 301 patients with asthma, 54.5% of whom were treated by respiratory specialists. Most patients were female (61.8%), with a mean age of 43.9 years, and 84.4% were classified with moderate-to-severe disease, with a mean (SD) asthma duration of 14.8 (10.8) years. Asthma was partly controlled or uncontrolled in 51.2% of patients, with 41.9% experiencing ≥ 1 severe exacerbation in the 12 months preceding their study visit. Overall, 58.5% of patients were prescribed ≥ 3 SABA canisters, 19.3% were prescribed ≥ 10 canisters, and 13.3% purchased SABA over-the-counter (OTC) in the 12 months before the study visit. Most patients who purchased OTC SABA (92.5%) also received SABA prescriptions. Inhaled corticosteroid/long-acting ß2-agonist combinations and oral corticosteroid bursts were prescribed to 87.7% and 22.6% of patients, respectively. CONCLUSIONS: SABA over-prescription was highly prevalent in the Gulf region, compounded by purchases of nonprescription SABA and suboptimal asthma-related outcomes. Increased awareness among policymakers and healthcare practitioners is needed to ensure implementation of current, evidence-based, treatment recommendations to optimize asthma management in this region. TRIAL REGISTRATION: NCT03857178 (ClinicalTrials.gov).
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Electronic health records (EHRs) can improve quality of care and patient safety, as demonstrated in a variety of health care settings. However, greater use of EHRs in nursing homes (NHs) is needed. To understand which NHs have and have not adopted EHR systems, all federally certified NHs in Arkansas (n = 223) were surveyed, with 27.9% responding. Non-responders were similar to responders on all characteristics except for staffing skill mix, with responders having a higher skill mix than non-responders. Two thirds of responding Arkansas NHs reported having an EHR system in use (69.8%), while only a few reported no plans for an EHR system (4.8%). NHs with greater resources and in competitive markets were more likely to implement EHR systems. Full implementation across all NHs may require intervention, which should be explored in future research. In addition, future investigation should consider the level of interoperability of EHR systems that are in place among NHs.
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Electronic Health Records , Nursing Homes , Arkansas , Humans , Surveys and Questionnaires , WorkforceABSTRACT
This study examined the effects of public hospitals' privatization on financial performance. We used a sample of nonfederal acute care public hospitals from 1997 to 2013, averaging 434 hospitals per year. Privatization was defined as conversion from public status to either private not-for-profit (NFP) or private for-profit (FP) status. Financial performance was measured by operating margin (OM) and total margin (TM). We used hospital level and year fixed effects linear panel regressions with nonlagged independent and control variables (Model 1), lagged by 1 year (Model 2), and lagged by 2 years (Model 3). Privatization to FP was associated with 17% higher OM (Model 2) and 9% higher OM (Model 3), compared with 3%, 4%, and 6% higher OM for privatization to NFP for all three Models, respectively. Privatization to FP was associated with 7% higher TM (Model 2) and privatization to NFP was associated with 2% higher TM (Model 3).
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Financial Management, Hospital/economics , Hospitals, Public/statistics & numerical data , Privatization/economics , Humans , Models, StatisticalABSTRACT
Variations in isotopic composition of water vapor in the atmosphere is an important indicator of the processes within the hydrological cycle. Isotopic signature of water vapor and precipitation can be helpful in partitioning evaporation and transpiration fluxes. It is well known that transpiration from forested regions supplies a significant amount of vapor to the atmosphere in monsoon and post-monsoon seasons. Here, we utilize observations from Tropospheric Emission Spectrometer (TES), Atmospheric Infra-Red Sounder (AIRS) and simulation models to ascertain that transpiration is dominant in the forests of Northeast India (NE) during pre-monsoon season. Our results show an increase in δD of 78.0 ± 7.1 and in specific humidity of 3.1 ± 0.2 g kg-1 during the pre-monsoon months of April-May compared to January-February. In the monsoon months of July-August, δD reduces by 53.0 ± 6.5 albeit the specific humidity increases by 3.4 ± 0.2 g kg-1. Using joint observations of specific humidity and isotope ratio in lower troposphere, we discern the moisture sources over NE India in pre-monsoon and monsoon seasons and posit the role of transpiration in continental recycling during pre-monsoon season.
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In trauma care and trauma care research there exists an implementation gap regarding a consistent controlled vocabulary to describe organizational aspects of trauma centers and trauma systems. This paper describes the development and evaluation of a controlled vocabulary for trauma care organizations. We give a detailed description of the involvement of domain experts in the domain analysis workflow and the authoring of definitions and additional term descriptions. Finally, the paper details the evaluation methodology to assess the initial version of the controlled vocabulary. The results of the evaluation show that our development process yields terms most of which find approval from domain experts not involved in the development. In addition, our evaluation tools resulted in valuable domain expert input to optimize the controlled vocabulary.
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Trauma Centers , Vocabulary, Controlled , WorkflowABSTRACT
This study examines the relationship between nursing home quality and financial performance to assess whether there is a business case for quality. Secondary data sources included the Online Survey Certification and Reporting (OSCAR), Certification and Survey Provider Enhanced Reporting (CASPER), Medicare Cost Reports, Minimum Data Set (MDS 2.0), Area Resource File (ARF), and LTCFocus for all free-standing, nongovernment nursing homes for 2000 to 2014. Data were analyzed using panel data linear regression with facility and year fixed effects. The dependent variable, financial performance, consisted of the operating margin. The independent variables comprised nursing home quality measures that capture the three dimensions of Donabedian's structure-process-outcomes framework: structure Registered Nurse (RN) hours per resident day, Licensed Practical Nurse (LPN) hours per resident day, Certified Nursing Assistant (CNA) hours per resident day, RN skill mix), process (facility-acquired restraints, facility-acquired catheters, pressure ulcer prevention, and restorative ambulation), and outcomes (facility-acquired contractures, facility-acquired pressure ulcers, hospitalizations per resident, rehospitalizations, and health deficiencies). Control variables included size, average acuity index, market competition, per capita income, and Medicare Advantage penetration rate. This study found that the operating margin was lower in nursing homes that reported higher LPN hours per resident day and higher RN skill mix (structure); higher use of catheters, lower pressure ulcer prevention, and lower restorative ambulation (process); and more residents with contractures, pressure ulcers, hospitalizations and health deficiencies (outcomes). The results suggest that there is a business case for quality, whereas nursing homes that have better processes and outcomes of care perform better financially.
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Financial Management/economics , Nursing Homes/economics , Nursing Staff/psychology , Quality of Health Care/statistics & numerical data , Financial Management/methods , Humans , Medicaid , Medicare , Personnel Staffing and Scheduling/statistics & numerical data , United StatesABSTRACT
High Medicaid nursing homes (85% and higher of Medicaid residents) operate in resource-constrained environments. High Medicaid nursing homes (on average) have lower quality and poorer financial performance. However, there is significant variation in performance among high Medicaid nursing homes. The purpose of this study is to examine the organizational and market factors that may be associated with better financial performance among high Medicaid nursing homes. Data sources included Long-Term Care Focus (LTCFocus), Centers for Medicare and Medicaid Services' (CMS) Medicare Cost Reports, CMS Nursing Home Compare, and the Area Health Resource File (AHRF) for 2009-2015. There were approximately 1108 facilities with high Medicaid per year. The dependent variables are nursing homes operating and total margin. The independent variables included size, chain affiliation, occupancy rate, percent Medicare, market competition, and county socioeconomic status. Control variables included staffing variables, resident quality, for-profit status, acuity index, percent minorities in the facility, percent Medicaid residents, metropolitan area, and Medicare Advantage penetration. Data were analyzed using generalized estimating equations with state and year fixed effects. Results suggest that organizational and market slack resources are associated with performance differentials among high Medicaid nursing homes. Higher financial performing facilities are characterized as having nurse practitioners/physician assistants, more beds, higher occupancy rate, higher Medicare and Medicaid census, and being for-profit and located in less competitive markets. Higher levels of Registered Nurse (RN) skill mix result in lower financial performance in high Medicaid nursing homes. Policy and managerial implications of the study are discussed.
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Economic Competition , Financial Management , Medicaid/economics , Medicare/economics , Medicare/organization & administration , Nursing Homes/economics , Aged , Humans , Nursing Homes/organization & administration , Quality of Health Care/economics , United StatesABSTRACT
Quality of care has been a long-standing issue in US nursing homes. The culture change movement attempts to transition nursing homes from health care institutions to person-centered homes. While the adoption of culture change has been spreading across nursing homes, barriers to adoption persist. Nursing homes that disproportionately serve minority residents may have additional challenges implementing culture change compared with other facilities due to limited financial and staffing resources. The objective of this study was to examine how nursing home characteristics are associated with culture change adoption in Central Florida nursing homes. This cross-sectional study included 81 directors of nursing (DONs) who completed the Artifacts of Culture Change survey. In addition, nursing home organizational data were obtained from the Certification and Survey Provider Enhanced Reports (CASPER). A logistic regression was conducted to examine the relationship between high culture change adoption and nursing home characteristics. The overall adoption of culture change scores in Central Florida nursing homes was low. Nevertheless, there was variability across nursing homes in the adoption of culture change. High culture change adoption was associated with nursing homes having lower proportions of Medicaid residents.
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Health Resources/economics , Medicaid/statistics & numerical data , Nursing Homes/organization & administration , Nursing Homes/statistics & numerical data , Organizational Culture , Organizational Innovation , Cross-Sectional Studies , Florida , Humans , Medicaid/economics , Nursing Homes/economics , Quality of Health Care , United StatesABSTRACT
Organizational structures of healthcare organizations has increasingly become a focus of medical research. In the CAFÉ project we aim to provide a web-service enabling ontology-driven comparison of the organizational characteristics of trauma centers and trauma systems. Trauma remains one of the biggest challenges to healthcare systems worldwide. Research has demonstrated that coordinated efforts like trauma systems and trauma centers are key components of addressing this challenge. Evaluation and comparison of these organizations is essential. However, this research challenge is frequently compounded by the lack of a shared terminology and the lack of effective information technology solutions for assessing and comparing these organizations. In this paper we present the Ontology of Organizational Structures of Trauma systems and Trauma centers (OOSTT) that provides the ontological foundation to CAFÉ's web-based questionnaire infrastructure. We present the usage of the ontology in relation to the questionnaire and provide the methods that were used to create the ontology.