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1.
J Gerontol Soc Work ; 67(2): 157-177, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-37483074

RESUMO

The Aid and Attendance (A&A) benefit is a cash entitlement for Veterans who served in the U.S. military to obtain personal care services. Our objective was to identify factors contributing to variation in A&A enrollment across VA Medical Centers (VAMCs). We used VA data to calculate the enrollment rate among older Veterans receiving a VA pension or compensation in 2015, then purposefully sampled social work leaders at 15 VAMCs with the highest (n = 7) and lowest (n = 8) enrollment rates for interviews. All respondents viewed A&A as an important benefit. Participants at high-enrollment sites indicated strong working relationships with Veterans Benefits Administration (VBA) and Veterans Service Organizations (VSOs) with onsite presence and education about A&A facilitate access. Participants at low-enrollment sites indicated they desired education around A&A eligibility criteria and collaboration with VBA/VSOs. VA and non-VA social workers would benefit from education about VBA's benefits, and this requires collaboration with VBA representatives.


Assuntos
Veteranos , Estados Unidos , Humanos , Assistentes Sociais , United States Department of Veterans Affairs , Serviço Social , Pensões
2.
J Am Med Dir Assoc ; 24(4): 447-450, 2023 04.
Artigo em Inglês | MEDLINE | ID: mdl-36708741

RESUMO

OBJECTIVE: Examine the decline in admission to community nursing homes among Veterans that occurred following the onset of the COVID-19 pandemic. DESIGN: Multimethods study using Department of Veterans Affairs (VA) purchasing records to examine trends in total admissions and semistructured interviews with staff connected to the VA community nursing home program to contextualize observed trends. SETTING AND PARTICIPANTS: All VA-paid admissions to community nursing homes (N = 56,720 admissions) and national data on nursing home admissions from LTCFocUS. Semistructured interviews were conducted with 9 VA staff from 4 VA medical centers working in the VA community nursing home program, including social workers, nurses, and program coordinators. RESULTS: Between April and December 2020, community nursing home admissions among Veterans were 35% lower compared with the same period in 2019. Nationally, total nursing home admissions decreased by 19.6%. VA community nursing home program staff described 3 themes that contributed to this decline: (1) fewer nursing home beds available, (2) lower admissions due to fear of Veterans being exposed to COVID-19 in nursing homes, and (3) leaving nursing homes in favor of living at home with home-based care. CONCLUSIONS AND IMPLICATIONS: The decline in nursing home admissions among Veterans raises questions about how replacing nursing home care in favor of home- and community-based care affects the health outcomes and well-being of Veterans and their caregivers.


Assuntos
COVID-19 , Veteranos , Estados Unidos/epidemiologia , Humanos , Pandemias , United States Department of Veterans Affairs , COVID-19/epidemiologia , Casas de Saúde , Medo
3.
Fed Pract ; 40(10): 338-343, 2023 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-38567301

RESUMO

Background: The US Department of Veterans Affairs (VA) Community Nursing Home (CNH) program provides in-person oversight monitoring the quality of care of veterans in VA-contracted community-based skilled nursing homes. The number of veterans receiving CNH care is projected to increase by 80% by 2037. Methods: Retrospective observational data describing the distance between contracted facilities and VA medical centers (VAMCs) were linked to Centers for Medicare and Medicaid monthly Nursing Home Compare and Brown University Long Term Care: Facts on Care in the US data. Qualitative interviews with CNH-based staff and VA-based CNH program oversight team members were conducted using a semistructured interview guide. Quantitative and qualitative data were analyzed independently and integrated during the interpretation of results. Results: The number of CNHs per VAMC ranged from 1 to 68 (mean, 18). One in 4 CNHs were > 70 miles from the associated VAMC; among CNHs with 2 to 5 veterans, 44% were located > 50 miles away. Four qualitative themes emerged regarding VA CNH oversight: (1) benefits of VA CNH team engagement/ visits, including quality assurance and care coordination; (2) burden of VA CNH oversight due to geographic dispersion with too few or too many veterans at each to achieve efficiency; (3) oversight burdens and limited staffing restricted ability to add CNHs; and (4) remote access and interoperability of electronic health records and balancing the number of CNH veterans with staffing could facilitate successful oversight. Conclusions: The success of the CNH program will depend on the exchange of information and matching available resources to veterans' needs. At a time when strategies to ease the burden on NHs and VA CNH coordinators are needed, the VA needs to improve to properly scale the program.

4.
JAMA Health Forum ; 3(10): e223708, 2022 10 07.
Artigo em Inglês | MEDLINE | ID: mdl-36269338

RESUMO

Importance: For many patients with end-stage kidney disease (ESKD), the Medicare Hospice Benefit precludes concurrent receipt of hospice and dialysis services, forcing patients to choose between continuing dialysis or enrolling in hospice. Whether the more liberal hospice eligibility criteria of the Veterans Health Administration's (VA) are associated with improved access to concurrent dialysis and hospice care for patients with ESKD is not known. Objective: To examine the frequency of concurrent hospice and dialysis care among US veterans by hospice payer and examine the payer for concurrent dialysis. Design, Setting, and Participants: This was a retrospective cross-sectional study of all 70 577 VA enrollees in the US Renal Data System registry who initiated maintenance dialysis and died in 2007 to 2016. Data were analyzed from April 2021 to August 2022. Exposures: Hospice payer, either Medicare, VA inpatient hospice, or VA-financed community-based hospice ("VA community care"). Primary hospice diagnosis-ESKD vs non-ESKD. Main Outcomes and Measures: Concurrent receipt of hospice and dialysis services ("concurrent care"). Results: There were 18 420 (26%) eligible veterans with ESKD who received hospice services (mean [SD] age, 75.4 [10.0] years; 17 457 [94.8%] men; 2997 [16.3%] Black, 15 162 [82.3%] White, and 261 (1.4%) individuals of other races). Most of the sample (n = 16 465; 89%) received hospice services under Medicare and 5231 (28%) continued to receive dialysis after hospice initiation. The adjusted proportion of veterans receiving concurrent care was higher for those enrolled in VA inpatient hospice or VA community care hospice than it was for those enrolled in Medicare hospice (57% and 41% vs 24%, respectively; both P < .001). Regardless of hospice payer, the majority (87%) of the dialysis treatments after hospice initiation were financed by the VA, including for Medicare beneficiaries who had a hospice diagnosis other than ESKD. Median hospice length of stay was 43 days for veterans who received concurrent dialysis vs 4 days for those who did not. Conclusions and Relevance: In this retrospective cross-sectional study of US veterans with ESKD, a substantially higher proportion of veterans in VA-financed hospice received 1 or more dialysis treatments after hospice initiation than those enrolled in Medicare-financed hospice. Regardless of hospice payer, the VA financed most concurrent dialysis treatments. Hospice users who received concurrent dialysis care had substantially longer hospice lengths of stay than those who did not. These findings suggest that Medicare hospice policy may substantially restrict access to concurrent hospice and dialysis care among veterans with ESKD.


Assuntos
Cuidados Paliativos na Terminalidade da Vida , Hospitais para Doentes Terminais , Falência Renal Crônica , Veteranos , Masculino , Humanos , Idoso , Estados Unidos/epidemiologia , Feminino , Diálise Renal , Estudos Retrospectivos , Estudos Transversais , Medicare , Falência Renal Crônica/epidemiologia
5.
J Palliat Med ; 25(6): 932-939, 2022 06.
Artigo em Inglês | MEDLINE | ID: mdl-35363053

RESUMO

Background: Unlike fee-for-service Medicare, the Veterans Health Administration (VHA) allows for the provision of concurrent care, incorporating cancer treatment while in hospice. Methods: We compared trends of aggressive care at end of life between Medicare and VHA decedents with advanced nonsmall cell lung cancer from 2006 to 2012, and the relation between regional level end-of-life care between Medicare and VHA beneficiaries. Results: Among 18,371 Veterans and 25,283 Medicare beneficiaries, aggressive care at end of life decreased 15% in VHA and 4% in SEER (Surveillance, Epidemiology, and End Results)-Medicare (p < 0.001). Hospice use significantly increased within both cohorts (VHA 28%-41%; SM 60%-73%, p < 0.001). Veterans receiving care in regions with higher hospice admissions among Medicare beneficiaries were significantly less likely to receive aggressive care at end of life (adjusted odds ratio: 0.13, 95% confidence interval: 0.08-0.23, p < 0.001). Conclusions: Patients receiving lung cancer care in the VHA had a greater decline in aggressive care at end of life, perhaps due to increasing concurrent care availability.


Assuntos
Carcinoma Pulmonar de Células não Pequenas , Cuidados Paliativos na Terminalidade da Vida , Neoplasias Pulmonares , Assistência Terminal , Idoso , Morte , Humanos , Neoplasias Pulmonares/terapia , Medicare , Estados Unidos , Saúde dos Veteranos
6.
J Am Med Dir Assoc ; 23(11): 1757-1764, 2022 11.
Artigo em Inglês | MEDLINE | ID: mdl-35429454

RESUMO

OBJECTIVES: The Veterans Health Administration (VHA) purchases community nursing home care; however, the administrative burden may lead nursing homes to avoid contracting with the VHA. This study aimed to describe how the VHA's purchasing policies impede or facilitate contracting with nursing homes. DESIGN: Semistructured interviews of key stakeholders in the VHA's community nursing home contracting process. SETTING AND PARTICIPANTS: We interviewed 15 VHA and 21 nursing home staff at 6 VHA medical centers and 17 nursing homes. VHA medical centers were selected from sites with the greatest magnitude of difference in quality rankings between VHA contracted and noncontracted nursing homes in the same market area. METHODS: Qualitative content analysis of interviews. RESULTS: Five themes emerged: (1) VHA purchases nursing home care to fill gaps in geographic, specialty, and quality care needs; (2) business opportunities and the mission to care for Veterans motivate nursing homes to work with the VHA; (3) the VHA's reputation for unreliable or insufficient payment and inability of nursing homes to comply with federal wage standards serve as barriers to establishing contracts; (4) complexity of establishing a contract, ambiguity about new policies, and inadequate VHA staffing for the nursing home inspection team hinder the VHA's ability to establish contracts with nursing homes; and (5) nursing homes that have established corporate processes, nursing home administrators with prior experience working with the VHA, and relationships between VHA and nursing home staff serve as facilitators to establishing new nursing home contracts. CONCLUSIONS AND IMPLICATIONS: Nursing homes will work with the VHA, but the process of executing VHA contracts is burdensome. Streamlining and standardizing the purchasing processes and ensuring timely payment may expand the number of nursing homes willing to contract with the VHA, thereby increasing choices for Veterans and becoming a model for other long-term care networks.


Assuntos
United States Department of Veterans Affairs , Veteranos , Estados Unidos , Humanos , Casas de Saúde , Assistência de Longa Duração , Comportamento do Consumidor
7.
Int J Methods Psychiatr Res ; 31(1): e1898, 2022 03.
Artigo em Inglês | MEDLINE | ID: mdl-34739736

RESUMO

OBJECTIVES: To assess whether prevailing antipsychotic use rates in community nursing homes (CNH) influence new initiation of antipsychotics and diagnosis with antipsychotic indications among Veterans. METHODS: We used linked 2013-2016 Veterans Administration (VA) data, Medicare claims, Nursing Home Compare, and Minimum Data Set (MDS) assessments. The exposure was the proportion (in quintiles) of all CNH residents prescribed antipsychotics in the quarter preceding a Veteran's admission date. Using adjusted logistic regression, we analyzed two outcomes measured using MDS: antipsychotic initiation, and new diagnosis of an antipsychotic quality-measure exclusionary condition (i.e., schizophrenia, Tourette's syndrome, or Huntington's disease). RESULTS: Among 8201 Veterans without an indication for antipsychotics at baseline, 21.1% initiated antipsychotics and 3.5% were newly diagnosed with any exclusionary diagnosis after CNH admission. Schizophrenia accounted for almost all (96.8%) the new diagnoses. Antipsychotic initiation increased with higher CNH antipsychotic use rates: OR = 2.55, 95% CI: 2.08--3.12, quintile 5 versus 1. CNHs with the highest prevalent use of antipsychotics were associated with increased odds of Veterans acquiring an exclusionary diagnosis (OR = 2.09, 95% CI: 1.32-3.32, quintile 5 vs. 1). CONCLUSIONS: Incident antipsychotic use is common among Veterans admitted to CNHs. CNH antipsychotic prescribing practices are associated with Veterans being newly diagnosed with antipsychotic prescription indications, primarily schizophrenia.


Assuntos
Antipsicóticos , Demência , Veteranos , Idoso , Antipsicóticos/uso terapêutico , Demência/tratamento farmacológico , Humanos , Medicare , Casas de Saúde , Estados Unidos/epidemiologia , Saúde dos Veteranos
8.
Health Serv Res ; 56(3): 389-399, 2021 06.
Artigo em Inglês | MEDLINE | ID: mdl-33634467

RESUMO

OBJECTIVE: To examine characteristics that are associated with receipt of Aid and Attendance (A&A), an enhanced pension benefit for Veterans who qualify on the basis of needing daily assistance, among Veterans who receive pensions. DATA SOURCES: Secondary data analysis of 2016-2017 national VA administrative data linked with Medicare claims. STUDY DESIGN: Observational study examining sociodemographic, medical, and healthcare utilization characteristics associated with receipt of A&A among Veterans receiving pension. PRINCIPAL FINDINGS: In 2017, 9.7% of Veterans with pension newly received the A&A benefit. The probability of receiving A&A among black and Hispanic pensioners was 4.6 percentage points lower than for white pensioners (95%CI = -0.051, -0.042). Married Veterans receiving pension had a 4.4-percentage point higher probability of receiving A&A (95%CI = 0.039, 0.048). Most indicators of need for assistance (eg, home health utilization, dementia, stroke) were associated with significantly higher probabilities of receiving A&A, with notable exceptions: pensioners with a diagnosis of Post-Traumatic Stress Disorder (marginal effect = -0.029 95%CI = -0.037, -0.021) or enrolled in Medicaid (marginal effect = -0.053, 95%CI = -0.057, -0.050) had lower probabilities of receiving A&A. Unadjusted and adjusted rates of receiving A&A among Veterans receiving pension varied by VA medical center. CONCLUSIONS: This study identified potential inequities in receipt of the A&A enhanced pension among a sample of Veterans receiving pension. Increased Veteran outreach, provider education, and VA office coordination can potentially reduce inequities in access to this benefit.


Assuntos
Assistência de Longa Duração/economia , Aceitação pelo Paciente de Cuidados de Saúde/estatística & dados numéricos , Pensões/estatística & dados numéricos , United States Department of Veterans Affairs/estatística & dados numéricos , Veteranos/estatística & dados numéricos , Fatores Etários , Serviços de Saúde/estatística & dados numéricos , Nível de Saúde , Humanos , Medicare/estatística & dados numéricos , Fatores Sexuais , Fatores Socioeconômicos , Estados Unidos
9.
Clin J Am Soc Nephrol ; 15(11): 1631-1639, 2020 11 06.
Artigo em Inglês | MEDLINE | ID: mdl-32963019

RESUMO

BACKGROUND AND OBJECTIVES: Because of the limited capacity of its own dialysis facilities, the Department of Veterans Affairs (VA) Veterans Health Administration routinely outsources dialysis care to community providers. Prior to 2011-when the VA implemented a process of standardizing payments and establishing national contracts for community-based dialysis care-payments to community providers were largely unregulated. This study examined the association of changes in the Department of Veterans Affairs payment policy for community dialysis with temporal trends in VA spending and veterans' access to dialysis care and mortality. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: An interrupted time series design and VA, Medicare, and US Renal Data System data were used to identify veterans who received VA-financed dialysis in community-based dialysis facilities before (2006-2008), during (2009-2010), and after the enactment of VA policies to standardize dialysis payments (2011-2016). We used multivariable, differential trend/intercept shift regression models to examine trends in average reimbursement for community-based dialysis, access to quality care (veterans' distance to community dialysis, number of community dialysis providers, and dialysis facility quality indicators), and 1-year mortality over this time period. RESULTS: Before payment reform, the unadjusted average per-treatment reimbursement for non-VA dialysis care varied widely ($47-$1575). After payment reform, there was a 44% reduction ($44-$250) in the adjusted price per dialysis session (P<0.001) and less variation in payments for dialysis ($73-$663). Over the same time period, there was an increase in the number of community dialysis facilities contracting with VA to deliver care to veterans with ESKD from 19 to 37 facilities (per VA hospital), and there were no changes in either the quality of community dialysis facilities or crude 1-year mortality rate of veterans (12% versus 11%). CONCLUSIONS: VA policies to standardize payment and establish national dialysis contracts increased the value of VA-financed community dialysis care by reducing reimbursement without compromising access to care or survival.


Assuntos
Acessibilidade aos Serviços de Saúde/estatística & dados numéricos , Reembolso de Seguro de Saúde/economia , Falência Renal Crônica/terapia , Diálise Renal/economia , Diálise Renal/estatística & dados numéricos , United States Department of Veterans Affairs/economia , Idoso , Instituições de Assistência Ambulatorial/economia , Instituições de Assistência Ambulatorial/normas , Instituições de Assistência Ambulatorial/estatística & dados numéricos , Serviços Contratados/economia , Feminino , Acessibilidade aos Serviços de Saúde/tendências , Humanos , Análise de Séries Temporais Interrompida , Falência Renal Crônica/mortalidade , Masculino , Pessoa de Meia-Idade , Diálise Renal/normas , Estudos Retrospectivos , Taxa de Sobrevida , Estados Unidos
10.
J Palliat Med ; 23(8): 1038-1044, 2020 08.
Artigo em Inglês | MEDLINE | ID: mdl-32119800

RESUMO

Background: Aggressive care at the end of life (EOL) is a persistent issue for patients with stage IV nonsmall cell lung cancer (NSCLC). We evaluated the use of concurrent care (CC) with hospice care and cancer-directed treatment simultaneously within the Veteran's Health Administration (VHA) and aggressive care at the EOL. Objective: To determine whether VHA facility-level CC is associated with changes in aggressive care at the EOL. Design/Setting: Veterans with stage IV NSCLC who died between 2006 and 2012 and received lung cancer care within the VHA. Measurements: The primary outcome was aggressive care at EOL (i.e., hospital admissions, chemotherapy, and intensive care unit) within the last month of life. To compare aggressive care across VHA facilities, we used a random intercept multilevel logistic regression model to examine the association between facility-level CC within each study year (<10%, 10% to 19%, and ≥20%) and aggressive care at the EOL among the decedents as a binary outcome. Results: In total, 18,371 veterans with NSCLC at 154 VHA facilities were identified. Facilities delivering CC for ≥20% of veterans (high CC) increased from 20.0% in 2006 to 43.2% in 2012 (p < 0.001). Overall, hospice care significantly increased and aggressive care at EOL decreased over the study period. However, facility-level CC adoption was not associated with any difference in aggressive care at EOL (adjusted odds ratio high CC vs. low CC: 0.91 [95% CI, 0.79 to 1.05], p = 0.21). Conclusions: Although the VHA adoption of CC increased hospice use among patients with NSCLC, additional measures may be needed to decrease aggressive care at the EOL.


Assuntos
Carcinoma Pulmonar de Células não Pequenas , Cuidados Paliativos na Terminalidade da Vida , Neoplasias Pulmonares , Assistência Terminal , Veteranos , Carcinoma Pulmonar de Células não Pequenas/terapia , Morte , Humanos , Neoplasias Pulmonares/terapia , Estudos Retrospectivos
11.
JAMA Oncol ; 5(6): 810-816, 2019 Jun 01.
Artigo em Inglês | MEDLINE | ID: mdl-30920603

RESUMO

IMPORTANCE: Medicare hospice beneficiaries discontinue disease-modifying treatments because the hospice benefit limits access. While veterans have concurrent access to hospice care and Veterans Affairs (VA) Medical Center (VAMC)-provided treatments, the association of this with changes in treatment and costs of veterans' end-of-life care is unknown. OBJECTIVE: To determine whether increasing availability of hospice care, without restrictions on disease-modifying treatments, is associated with reduced aggressive treatments and medical care costs at the end of life. DESIGN, SETTING, AND PARTICIPANTS: A modified difference-in-differences study design, using facility fixed effects, compared patient outcomes during years with relatively high vs lower hospice use. This study evaluated 13 085 veterans newly diagnosed with stage IV non-small cell lung cancer (NSCLC) from 113 VAMCs with a minimum of 5 veterans diagnosed with stage IV NSCLC per year, between 2006 and 2012. Data analyses were conducted between January 2017 and July 2018. EXPOSURES: Using VA inpatient, outpatient, pharmacy claims, and similar Medicare data, we created VAMC-level annual aggregates of all patients who died of cancer for hospice use, cancer treatment, and/or concurrent receipt of both in the last month of life, dividing all VAMC years into quintiles of exposure to hospice availability. MAIN OUTCOMES AND MEASURES: Receipt of aggressive treatments (2 or more hospital admissions within 30 days, tube feeding, mechanical ventilation, intensive care unit [ICU] admission) and total costs in the first 6 months after diagnosis. RESULTS: Of the 13 085 veterans included in the study, 12 858 (98%) were men; 10 531 (81%) were white, and 5949 (46%) were older than 65 years. Veterans with NSCLC treated in a VAMC in the top hospice quintile (79% hospice users), relative to the bottom quintile (55% hospice users), were more than twice as likely to have concurrent cancer treatment after initiating hospice care (adjusted odds ratio [AOR], 2.28; 95% CI, 1.67-3.31). Nonetheless, for veterans with NSCLC seen in VAMCs in the top hospice quintile, the AOR of receiving aggressive treatment in the 6 months after diagnosis was 0.66 (95% CI, 0.53-0.81), and the AOR of ICU use was 0.78 (95% CI, 0.62-0.99) relative to patients seen in VAMCs in the bottom hospice quintile. The 6-month costs were lower by an estimated $266 (95% CI, -$358 to -$164) per day for the high-quintile group vs the low-quintile group. There was no survival difference. CONCLUSIONS AND RELEVANCE: Increasing the availability of hospice care without restricting treatment access for veterans with advanced lung cancer was associated with less aggressive medical treatment and significantly lower costs while still providing cancer treatment.


Assuntos
Custos de Cuidados de Saúde , Cuidados Paliativos na Terminalidade da Vida , Neoplasias Pulmonares/economia , Neoplasias Pulmonares/terapia , Veteranos , Idoso , Idoso de 80 Anos ou mais , Efeitos Psicossociais da Doença , Bases de Dados Factuais , Feminino , Hospitais de Veteranos/economia , Hospitais de Veteranos/estatística & dados numéricos , Humanos , Masculino , Sistema de Registros
12.
J Palliat Med ; 21(4): 445-451, 2018 04.
Artigo em Inglês | MEDLINE | ID: mdl-29265906

RESUMO

BACKGROUND: Evidence suggests that the aggressiveness of care in cancer patients at the end of life is increasing. We sought to evaluate the use of invasive procedures at the end of life in patients with advanced non-small-cell lung cancer (NSCLC). OBJECTIVE: To evaluate the utilization of invasive procedures at the end of life in Veterans with advanced NSCLC. DESIGN: Retrospective cohort study of Veterans with newly diagnosed stage IV NSCLC who died between 2006 and 2012. SETTING/SUBJECTS: Subjects were identified from the Veterans Affairs Central Cancer Registry. MEASUREMENTS: All Veterans Administration (VA) and Medicare fee-for-service healthcare utilization and expenditure data were assembled for all subjects. The primary outcome was the number of invasive procedures performed in the last month of life. We classified procedures into three categories: minimally invasive, life-sustaining, and major-operative procedures. Logistic regression analysis was used to evaluate factors associated with the receipt of invasive procedures. RESULTS: Nineteen thousand nine hundred thirty subjects were included. Three thousand (15.1%) subjects underwent 5523 invasive procedures during the last month of life. The majority of procedures (69.6%) were classified as minimally invasive. The receipt of procedures in the last month of life was associated with receipt of chemotherapy (odds ratio [OR] 3.68, 95% confidence interval [CI] 3.38-4.0) and ICU admission (OR 3.13, 95% CI 2.83-3.45) and was inversely associated with use of hospice services (OR 0.35, 95% CI 0.33-0.38). CONCLUSIONS: Invasive procedures are commonly performed among Veterans with stage IV NSCLC during their last month of life and are associated with other measures of aggressive end-of-life care.


Assuntos
Carcinoma Pulmonar de Células não Pequenas/terapia , Neoplasias Pulmonares/terapia , Assistência Terminal , Veteranos , Idoso , Idoso de 80 Anos ou mais , Carcinoma Pulmonar de Células não Pequenas/mortalidade , Carcinoma Pulmonar de Células não Pequenas/patologia , Feminino , Humanos , Neoplasias Pulmonares/mortalidade , Neoplasias Pulmonares/patologia , Masculino , Medicare , Pessoa de Meia-Idade , Estadiamento de Neoplasias , Sistema de Registros , Estudos Retrospectivos , Estados Unidos
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