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1.
JAMA Netw Open ; 7(2): e240098, 2024 Feb 05.
Artigo em Inglês | MEDLINE | ID: mdl-38381433

RESUMO

Importance: Black patients are more likely than White patients to be restrained during behavioral crises in emergency departments (EDs). Although the perils of policing mental health for Black individuals are recognized, it is unclear whether or to what extent police transport mediates the association between Black race and use of physical restraint in EDs. Objective: To evaluate the degree to which police transport mediates the association between Black race and use of physical restraint in EDs. Design, Setting, and Participants: This retrospective, cross-sectional study used electronic health record data from ED visits by adults (aged ≥18 years) to 3 hospitals in the southeastern US and 10 in the northeastern US between January 1, 2015, and December 31, 2022. Data were analyzed from September 1, 2022, to May 30, 2023. Exposures: Race, ethnicity, and police transport to the hospital. Main Outcomes and Measures: The primary outcome variable was the presence of an order for restraints during an ED visit. Results: A total of 4 263 437 ED visits by 1 257 339 patients (55.5% of visits by female and 44.5% by male patients; 26.1% by patients 65 years or older) were included in the study. Black patients accounted for 27.5% of visits; Hispanic patients, 17.6%; White patients, 50.3%; and other or unknown race or ethnicity, 4.6%. In models adjusted for age, sex, site, previous behavioral or psychiatric history, and visit diagnoses, Black patients were at increased odds of experiencing restraint compared with White patients (adjusted odds ratio [AOR], 1.33 [95% CI, 1.28-1.37]). Within the mediation analysis, Black patients had higher odds of being brought to the hospital by police compared with all other patients (AOR, 1.38 [95% CI, 1.34-1.42]). Patients brought to the ED under police transport had increased odds of experiencing restraint compared with all other modes of transport (AOR, 5.51 [95% CI, 5.21-5.82]). The estimated proportion of use of restraints for Black patients mediated by police transport was 10.70% (95% CI, 9.26%-12.53%). Conclusions and Relevance: In this cross-sectional study of ED visits across 13 hospitals, police transport may have mediated the association between Black race and use of physical restraint. These findings suggest a need to further explore the mechanisms by which transport to emergency care may influence disparate restrictive interventions for patients experiencing behavioral emergencies.


Assuntos
Polícia , Restrição Física , Adulto , Humanos , Feminino , Masculino , Adolescente , Estudos Transversais , Estudos Retrospectivos , Serviço Hospitalar de Emergência
2.
J Grad Med Educ ; 16(1): 41-50, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38304604

RESUMO

Background The field of health care simulation continues to grow, accompanied by a proliferation of fellowship programs, leading to fellowship accreditation efforts. There is controversy around the best approach to accreditation. Objective The authors sought to understand perspectives of simulation leaders on fellowship accreditation to best inform the growth and maturation of fellowship accreditation. Methods In 2020, simulation leaders identified through snowball sampling were invited to participate in a qualitative study. During one-on-one semistructured interviews, participants were asked about experiences as simulation leaders and their perspective on the purpose and impact of accreditation. The interviews were audio recorded and transcribed. Thematic analysis informed by a phenomenology framework was performed using a masked open coding technique with iterative refinement. The resulting codes were organized into themes and subthemes. Results A total of 45 simulation experts participated in interviews ranging from 25 to 67 minutes. Participants described discord and lack of consensus regarding simulation fellowship accreditation, which included a spectrum of opinions ranging from readiness for accreditation pathways to concern and avoidance. Participants also highlighted how context drove the perception of accreditation value for programs and individuals, including access to resources and capital. Finally, potential impacts from accreditation included standardization of training programs, workforce concerns, and implications for professional societies. Conclusions Simulation leaders underscored how the value of accreditation is dependent on context. Additional subthemes included reputation and resource variability, balancing standardization with flexibility and innovation, and implications for professional societies.


Assuntos
Internato e Residência , Humanos , Bolsas de Estudo , Acreditação , Pesquisa Qualitativa , Atenção à Saúde
3.
Ann Emerg Med ; 83(2): 100-107, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-37269262

RESUMO

STUDY OBJECTIVE: Although electronic behavioral alerts are placed as an alert flag in the electronic health record to notify staff of previous behavioral and/or violent incidents in emergency departments (EDs), they have the potential to reinforce negative perceptions of patients and contribute to bias. We provide characterization of ED electronic behavioral alerts using electronic health record data across a large, regional health care system. METHODS: We conducted a retrospective cross-sectional study of adult patients presenting to 10 adult EDs within a Northeastern United States health care system from 2013 to 2022. Electronic behavioral alerts were manually screened for safety concerns and then categorized by the type of concern. In our patient-level analyses, we included patient data at the time of the first ED visit where an electronic behavioral alert was triggered or, if a patient had no electronic behavioral alerts, the earliest visit in the study period. We performed a mixed-effects regression analysis to identify patient-level risk factors associated with safety-related electronic behavioral alert deployment. RESULTS: Of the 2,932,870 ED visits, 6,775 (0.2%) had associated electronic behavioral alerts across 789 unique patients and 1,364 unique electronic behavioral alerts. Of the encounters with electronic behavioral alerts, 5,945 (88%) were adjudicated as having a safety concern involving 653 patients. In our patient-level analysis, the median age for patients with safety-related electronic behavioral alerts was 44 years (interquartile range 33 to 55 years), 66% were men, and 37% were Black. Visits with safety-related electronic behavioral alerts had higher rates of discontinuance of care (7.8% vs 1.5% with no alert; P<.001) as defined by the patient-directed discharge, left-without-being-seen, or elopement-type dispositions. The most common topics in the electronic behavioral alerts were physical (41%) or verbal (36%) incidents with staff or other patients. In the mixed-effects logistic analysis, Black non-Hispanic patients (vs White non-Hispanic patients: adjusted odds ratio 2.60; 95% confidence interval [CI] 2.13 to 3.17), aged younger than 45 (vs aged 45-64 years: adjusted odds ratio 1.41; 95% CI 1.17 to 1.70), male (vs female: adjusted odds ratio 2.09; 95% CI 1.76 to 2.49), and publicly insured patients (Medicaid: adjusted odds ratio 6.18; 95% CI 4.58 to 8.36; Medicare: adjusted odds ratio 5.63; 95% CI 3.96 to 8.00 vs commercial) were associated with a higher risk of a patient having at least 1 safety-related electronic behavioral alert deployment during the study period. CONCLUSION: In our analysis, younger, Black non-Hispanic, publicly insured, and male patients were at a higher risk of having an ED electronic behavioral alert. Although our study is not designed to reflect causality, electronic behavioral alerts may disproportionately affect care delivery and medical decisions for historically marginalized populations presenting to the ED, contribute to structural racism, and perpetuate systemic inequities.


Assuntos
Serviço Hospitalar de Emergência , Medicare , Adulto , Humanos , Idoso , Masculino , Feminino , Estados Unidos , Pessoa de Meia-Idade , Estudos Retrospectivos , Estudos Transversais , Violência
4.
Am J Prev Med ; 66(1): 154-158, 2024 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-37661074

RESUMO

INTRODUCTION: Police involvement in patient transport to emergency medical care has increased over time, yet studies assessing racial inequities in transport are limited. This study evaluated the relationship between race and police transport to the emergency department for adult patients. METHODS: This cross-sectional study evaluated adult (aged ≥18 years) visits at 13 different emergency departments across two regional hospital systems in the Southeastern and Northeastern U.S. from 2015 to 2022. Data were extracted from electronic health records. This analysis evaluated the association between race and transport by police transport using generalized linear multivariable mixed model with a binary logistic link for presence of police transport. Data were nested by patient and adjusted for site, demographics, and diagnostic visit characteristics. RESULTS: Of 4,291,809 adult emergency department visits, 25,901 (0.6%) involved transport by police. Of the 25,901 visits in police-involved encounters, 10,513 (40.6%) patients were Black, and 9,827 (37.9%) were White. The adjusted model showed that Black patients were at higher odds of transport by police than White patients (AOR=1.64; 95% CI=1.57-1.72). Male sex, younger age (18-35 years), history of behavioral health diagnosis, and emergency department psychiatric or substance use disorders were independently associated with increased odds of police transport. CONCLUSIONS: This analysis revealed racial inequities in police-involved transport to emergency medical care, highlighting an urgent need to evaluate drivers of inequities and the ways in which police transport influences clinical outcomes.


Assuntos
Serviço Hospitalar de Emergência , Polícia , Adulto , Humanos , Masculino , Adolescente , Adulto Jovem , Estudos Transversais , Pacientes
5.
7.
Simul Healthc ; 17(2): 120-130, 2022 04 01.
Artigo em Inglês | MEDLINE | ID: mdl-34175883

RESUMO

SUMMARY STATEMENT: As the field of healthcare simulation matures, formal accreditation for simulation fellowships and training programs has become increasingly available and touted as a solution to standardize the education of those specializing in healthcare simulation. Some simulation experts hold opposing views regarding the potential value of simulation fellowship program accreditation. We report on the proceedings of a spirited debate at the 20th International Meeting on Simulation in Healthcare in January 2020. Pro arguments view accreditation as the logical evolution of a maturing profession: improving training quality through standard setting, providing external validation for individual programs, and enhancing the program's return on investment. Con arguments view accreditation as an incompletely formulated construct; burdensome to the "financially strapped" fellowship director, misaligned with simulation fellows' needs and expectations, and confusing to administrators mistakenly equating accreditation with credentialing. In addition, opponents of accreditation postulate that incorporating curricular standards, practice guidelines, and strategies derived and implemented without rigor, supporting evidence and universal consensus is premature. This narrative review of our debate compares and contrasts contemporary perspectives on simulation fellowship program accreditation, concluding with formal recommendations for learners, administrators, sponsors, and accrediting bodies.


Assuntos
Educação de Pós-Graduação em Medicina , Bolsas de Estudo , Acreditação , Humanos
9.
JAMA Netw Open ; 4(6): e2112795, 2021 06 01.
Artigo em Inglês | MEDLINE | ID: mdl-34086032

RESUMO

Importance: Faculty role modeling is critical to medical students' professional development to provide culturally adept, patient-centered care. However, little is known about students' perceptions of faculty role modeling of respect for diversity. Objective: To examine whether variation exists in medical students' perceptions of faculty role modeling of respect for diversity by student demographic characteristics. Design, Setting, and Participants: This cross-sectional study analyzed data from the Association of American Medical Colleges' 2016 and 2017 Medical School Graduation Questionnaire, which was administered to graduating students at 140 accredited allopathic US medical schools. Data were analyzed from January 1 to November 1, 2020. Main Outcomes and Measures: Students' perceptions of faculty role modeling of respect for diversity by the independent variables sex, race/ethnicity, sexual orientation, and age. Multivariable logistic regression was used to examine the extent to which student-reported perceptions of faculty respect for diversity varied by demographic characteristics, and logistic regression models were sequentially adjusted first for demographic characteristics and then for marital status and financial variables. Results: Of 30 651 students who completed the survey, the final study sample consisted of 28 778 respondents, representing 75.4% of the 38 160 total US medical school graduates in 2016 and 2017. Of the respondents, 14 804 (51.4%) were male participants and 1506 (5.2%) identified as lesbian, gay, or bisexual (LGB); a total of 11 926 respondents (41.4%) were 26 years or younger. A total of 17 159 respondents (59.6%) identified as White, 5958 (20.7%) as Asian, 1469 (5.1%) as Black/African American, 2431 (8.4%) as Hispanic/Latinx, and 87 (0.3%) as American Indian/Alaska Native/Native Hawaiian/Pacific Islander individuals. Overall, 5101 students (17.7%) reported perceiving that faculty showed a lack of respect for diversity. Of those who identified as Black/African American students, 540 (36.8%) reported perceiving a lack of faculty respect for diversity compared with 2468 White students (14.4%), with an OR of perceived lack of respect of 3.24 (95% CI, 2.86-3.66) after adjusting for other demographic characteristics and covariates. American Indian/Alaska Native/Native Hawaiian/Pacific Islander (OR, 1.73; 95% CI, 1.03-2.92), Asian (OR, 1.62; 95% CI, 1.49-1.75), or Hispanic/Latinx (OR, 1.43; 95% CI, 1.26-1.75) students also had greater odds of perceiving a lack of faculty respect for diversity compared with White students. Female students had greater odds compared with male students (OR, 1.17; 95% CI, 1.10-1.25), and students who identified as LGB (OR, 1.96; 95% CI, 1.74-2.22) or unknown sexual orientation (OR, 1.79; 95% CI, 1.29-2.47) had greater odds compared with heterosexual students. Students aged 33 years or older had greater odds of reporting a perceived lack of respect compared with students aged 26 years or younger (OR, 1.81; 95% CI, 1.58-2.08). Conclusions and Relevance: In this cross-sectional study, female students, students belonging to racial/ethnic minority groups, and LGB students disproportionately reported perceiving a lack of respect for diversity among faculty, which has important implications for patient care, the learning environment, and the well-being of medical trainees.


Assuntos
Diversidade Cultural , Etnicidade/psicologia , Docentes de Medicina/psicologia , Papel Profissional/psicologia , Discriminação Social/psicologia , Estudantes de Medicina/psicologia , Adulto , Estudos Transversais , Etnicidade/estatística & dados numéricos , Docentes de Medicina/estatística & dados numéricos , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Discriminação Social/estatística & dados numéricos , Fatores Socioeconômicos , Estudantes de Medicina/estatística & dados numéricos , Estados Unidos , Adulto Jovem
10.
Am J Med Qual ; 36(2): 73-83, 2021.
Artigo em Inglês | MEDLINE | ID: mdl-33830094

RESUMO

The health care sector has made radical changes to hospital operations and care delivery in response to the coronavirus disease (COVID-19) pandemic. This article examines pragmatic applications of simulation and human factors to support the Quadruple Aim of health system performance during the COVID-19 era. First, patient safety is enhanced through development and testing of new technologies, equipment, and protocols using laboratory-based and in situ simulation. Second, population health is strengthened through virtual platforms that deliver telehealth and remote simulation that ensure readiness for personnel to deploy to new clinical units. Third, prevention of lost revenue occurs through usability testing of equipment and computer-based simulations to predict system performance and resilience. Finally, simulation supports health worker wellness and satisfaction by identifying optimal work conditions that maximize productivity while protecting staff through preparedness training. Leveraging simulation and human factors will support a resilient and sustainable response to the pandemic in a transformed health care landscape.


Assuntos
COVID-19/epidemiologia , Atenção à Saúde/organização & administração , Administração Hospitalar/normas , Treinamento por Simulação/organização & administração , Redução de Custos , Atenção à Saúde/economia , Atenção à Saúde/normas , Humanos , Satisfação no Emprego , Pandemias , Segurança do Paciente/normas , Saúde da População , Indicadores de Qualidade em Assistência à Saúde , SARS-CoV-2 , Treinamento por Simulação/normas , Fluxo de Trabalho
12.
AMA J Ethics ; 22(11): E956-964, 2020 11 01.
Artigo em Inglês | MEDLINE | ID: mdl-33274709

RESUMO

Medical rapid response teams, now ubiquitous throughout hospitals, were designed to identify and proactively treat early warning signs of acute medical decompensation. Behavioral emergencies-including clinical psychiatric emergencies, coping/stress reactions, and iatrogenic injuries-are not responded to with the same vigor. At worst, behavioral crises are treated as unarmed security threats. Limited or inappropriate responses to such crises can lead to suboptimal outcomes on numerous levels, especially avoidable harm to patients and frontline clinicians. Widespread implementation of behavioral emergency response teams for patient-centered behavioral interventions has been impeded by a pervasive perception that these endeavors are medically unnecessary and optional. This article calls for a paradigm shift in responding to behavioral emergencies by arguing that security-driven risk management practices during behavioral emergencies are incompatible with fundamental medical and ethics principles.


Assuntos
Emergências , Pacientes Internados , Serviço Hospitalar de Emergência , Hospitais , Humanos , Gestão de Riscos
14.
Emerg Med Clin North Am ; 38(2): 363-382, 2020 May.
Artigo em Inglês | MEDLINE | ID: mdl-32336331

RESUMO

Simulation has been steadily changing the safety culture in the healthcare industry and allowing individual clinicians and interdisciplinary teams to be proactive in the culture of risk reduction and improved patient safety. Literature has demonstrated improved patient outcomes, improved team based skills, systems testing and mitigation of latent safety threats. Simulation may be incorporated into practice via different modalities. The simulation lab is helpful for individual procedures, in situ simulation (ISS) for system testing and teamwork, community outreach ISS for sharing of best practices and content resource experts. Serious medical gaming is developing into a useful training adjunct for the future.


Assuntos
Medicina de Emergência , Simulação de Paciente , Gestão de Riscos , Medicina de Emergência/educação , Medicina de Emergência/métodos , Medicina de Emergência/organização & administração , Humanos , Gestão de Riscos/métodos , Gestão de Riscos/organização & administração
15.
JAMA Intern Med ; 180(5): 653-665, 2020 05 01.
Artigo em Inglês | MEDLINE | ID: mdl-32091540

RESUMO

Importance: Previous studies have shown that medical student mistreatment is common. However, few data exist to date describing how the prevalence of medical student mistreatment varies by student sex, race/ethnicity, and sexual orientation. Objective: To examine the association between mistreatment and medical student sex, race/ethnicity, and sexual orientation. Design, Setting, and Participants: This cohort study analyzed data from the 2016 and 2017 Association of American Medical Colleges Graduation Questionnaire. The questionnaire annually surveys graduating students at all 140 accredited allopathic US medical schools. Participants were graduates from allopathic US medical schools in 2016 and 2017. Data were analyzed between April 1 and December 31, 2019. Main Outcomes and Measures: Prevalence of self-reported medical student mistreatment by sex, race/ethnicity, and sexual orientation. Results: A total of 27 504 unique student surveys were analyzed, representing 72.1% of graduating US medical students in 2016 and 2017. The sample included the following: 13 351 female respondents (48.5%), 16 521 white (60.1%), 5641 Asian (20.5%), 2433 underrepresented minority (URM) (8.8%), and 2376 multiracial respondents (8.6%); and 25 763 heterosexual (93.7%) and 1463 lesbian, gay, or bisexual (LGB) respondents (5.3%). At least 1 episode of mistreatment was reported by a greater proportion of female students compared with male students (40.9% vs 25.2%, P < .001); Asian, URM, and multiracial students compared with white students (31.9%, 38.0%, 32.9%, and 24.0%, respectively; P < .001); and LGB students compared with heterosexual students (43.5% vs 23.6%, P < .001). A higher percentage of female students compared with male students reported discrimination based on gender (28.2% vs 9.4%, P < .001); a greater proportion of Asian, URM, and multiracial students compared with white students reported discrimination based on race/ethnicity (15.7%, 23.3%, 11.8%, and 3.8%, respectively; P < .001), and LGB students reported a higher prevalence of discrimination based on sexual orientation than heterosexual students (23.1% vs 1.0%, P < .001). Moreover, higher proportions of female (17.8% vs 7.0%), URM, Asian, and multiracial (4.9% white, 10.7% Asian, 16.3% URM, and 11.3% multiracial), and LGB (16.4% vs 3.6%) students reported 2 or more types of mistreatment compared with their male, white, and heterosexual counterparts (P < .001). Conclusions and Relevance: Female, URM, Asian, multiracial, and LGB students seem to bear a disproportionate burden of the mistreatment reported in medical schools. It appears that addressing the disparate mistreatment reported will be an important step to promote diversity, equity, and inclusion in medical education.


Assuntos
Etnicidade , Comportamento Sexual , Discriminação Social/estatística & dados numéricos , Estudantes de Medicina , Adulto , Estudos de Coortes , Diversidade Cultural , Feminino , Humanos , Masculino , Estudos Retrospectivos , Fatores Sexuais , Adulto Jovem
16.
West J Emerg Med ; 20(1): 71-77, 2019 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-30643604

RESUMO

Obtaining grant funding is a fundamental component to achieving a successful research career. A successful grant application needs to meet specific mechanistic expectations of reviewers and funders. This paper provides an overview of the importance of grant funding within medical education, followed by a stepwise discussion of strategies for creating a successful grant application for medical education-based proposals. The last section includes a list of available medical education research grants.


Assuntos
Apoio à Pesquisa como Assunto/economia , Apoio ao Desenvolvimento de Recursos Humanos/métodos , Educação Médica/economia , Humanos
17.
Simul Healthc ; 13(2): 107-116, 2018 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-29346222

RESUMO

INTRODUCTION: Although error disclosure is critical in promoting safety and patient-centered care, physicians are inconsistently trained in its practice, and few objective methods to assess competence exist. We used an immersive simulation scenario to determine whether providers with varying levels of clinical experience adhere to the disclosure safe practice guidelines when exposed to a serious adverse event simulation scenario. METHODS: This was a prospective cohort study with medical students, junior emergency medicine (EM) residents (PGY 1-2), senior EM residents (PGY 3-4), and attending EM physicians participating in a simulated case in which a scripted medication overdose resulted in an adverse event. Each scenario was videotaped and scored by two expert raters based on a 6-component, 21-point disclosure assessment instrument. RESULTS: There were 12 participants in each study group (N = 48). There was good interrater reliability (κ = 0.70). Total scores improved significantly as the level of training increased: medical student = 10.3 (2.7), PGY 1-2 = 12.3 (6.2), PGY 3-4 = 13.7 (3.2), and attending physicians = 12.8 (3.7) (P = 0.03). Seventy-five percent of participants did not address preventing recurrence of the error. Fifty-six percent offered no apology or only offered it with prompting from the patient; only 23% offered an apology with the initial disclosure. CONCLUSIONS: We demonstrated suboptimal adherence to best practices guidelines for error disclosure when providers are assessed in an immersive simulation setting. Despite a correlation in performance of medical error disclosure with increased physician experience, this study suggests that healthcare providers may need additional training to comply with safe practice guidelines for disclosure of unanticipated adverse events.


Assuntos
Medicina de Emergência/educação , Simulação de Paciente , Revelação da Verdade , Adulto , Feminino , Humanos , Masculino , Erros Médicos , Estudos Prospectivos
18.
J Bone Joint Surg Am ; 94(23): 2177-84, 2012 Dec 05.
Artigo em Inglês | MEDLINE | ID: mdl-23224388

RESUMO

BACKGROUND: The purpose of this study was to systematically examine the impact of insurance status on access to and utilization of elective specialty hand surgical care. We hypothesized that patients with Medicaid insurance or those without insurance would have greater difficulty accessing care both in obtaining local surgical care and in reaching a tertiary center for appointments. METHODS: This retrospective cohort study included all new patients with orthopaedic hand problems (n = 3988) at a tertiary center in a twelve-month period. Patient insurance status was categorized and clinical complexity was quantified on an ordinal scale. The relationships of insurance status, clinical complexity, and distance traveled to appointments were quantified by means of statistical analysis. An assessment of barriers to accessing care stratified with regard to insurance status was completed through a survey of primary care physicians and an analysis of both patient arrival rates and operative rates at our tertiary center. RESULTS: Increasing clinical complexity significantly correlated (p < 0.001) with increasing driving distance to the appointment. Patients with Medicaid insurance were significantly less likely (p < 0.001) to present with problems of simple clinical complexity than patients with Medicare and those with private insurance. Primary care physicians reported that 62% of local surgeons accepted patients with Medicaid insurance and 100% of local surgeons accepted patients with private insurance. Forty-four percent of these primary care physicians reported that, if patients who were underinsured (i.e., patients with Medicaid insurance or no insurance) had been refused by community surgeons, they were unable to drive to our tertiary center because of limited personal resources. Patients with Medicaid insurance (26%) were significantly more likely (p < 0.001) to fail to arrive for appointments than patients with private insurance (11%), with no-show rates increasing with the greater distance required to reach the tertiary center. CONCLUSIONS: Economically disadvantaged patients face barriers to accessing specialty surgical care. Among patients with Medicaid coverage or no insurance, local surgical care is less likely to be offered and yet personal resources may limit a patient's ability to reach distant centers for non-emergency care.


Assuntos
Mãos/cirurgia , Acessibilidade aos Serviços de Saúde/economia , Disparidades em Assistência à Saúde/economia , Cobertura do Seguro/economia , Encaminhamento e Consulta/economia , Adulto , Idoso , Estudos de Coortes , Feminino , Pesquisas sobre Atenção à Saúde , Acessibilidade aos Serviços de Saúde/estatística & dados numéricos , Humanos , Masculino , Medicaid/economia , Pessoas sem Cobertura de Seguro de Saúde/estatística & dados numéricos , Medicare/economia , Pessoa de Meia-Idade , Avaliação das Necessidades , Procedimentos Ortopédicos/economia , Procedimentos Ortopédicos/métodos , Encaminhamento e Consulta/estatística & dados numéricos , Estudos Retrospectivos , Fatores Socioeconômicos , Estados Unidos
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