Publications by authors named "Donatus Ekwueme"

Community-clinical partnerships are an effective approach to connecting primary care with public health to increase disease prevention and screenings and reduce health inequities. We explore how the National Breast and Cervical Cancer Early Detection Program (NBCCEDP) award recipients and clinic teams are using community-clinical linkages to deliver services to populations who are without access to health care and identify barriers, facilitators, and lessons that can be used to improve program implementation. We used purposive sampling to select nine state recipients of the NBCCEDP and a clinic partner for each recipient.

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Introduction: This paper examined the economic evidence of patient navigation services to increase breast and cervical cancer screenings among historically disadvantaged racial and ethnic populations and people with lower incomes.

Methods: The literature search strategy for this systematic review included English-language studies conducted in high-income countries that were published from database inception to December 2022. Studies on patients with existing cancer or without healthcare system involvement were excluded.

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Article Synopsis
  • The study examined immediate postpartum long-acting reversible contraception (IPP LARC) insertion rates across 26 states and the District of Columbia during hospitalizations in 2020.
  • The rates of IPP LARC varied significantly among the states, ranging from 2.55 to 637.25 insertions per 10,000 deliveries.
  • It was found that Medicaid-covered deliveries had higher insertion rates compared to those with private insurance in most states, highlighting disparities based on payor type.
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Introduction: Therapeutic options for men with metastatic prostate cancer have increased in the past decade. We studied recent treatment patterns for men with metastatic prostate cancer and how treatment patterns have changed over time.

Methods: Using the Surveillance, Epidemiology, and End Results‒Medicare database, we identified fee-for-service Medicare beneficiaries who either were diagnosed with metastatic prostate cancer or developed metastases following diagnosis, as indicated by the presence of claims with diagnoses codes for metastatic disease, between 2007 and 2017.

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Background: Few studies have comprehensively compared health-related quality of life (HRQoL) between metastatic prostate cancer survivors, survivors with non-metastatic disease, and men without a cancer history.

Methods: We used the Surveillance, Epidemiology, and End Results-Medicare Health Outcomes Survey (SEER-MHOS) data linkage to identify men aged ≥ 65 years enrolled in Medicare Advantage (MA) plans. Prostate cancer survivors were diagnosed between 1988 and 2017 and completed MHOS surveys between 1998 and 2019.

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Background: Cancer diagnosis and treatment can substantially affect health and financial outcomes for patients and families. Research in health care delivery across the cancer control continuum includes diverse activities led by multiple government and private sector organizations. Assessing the economic drivers and influencing factors associated with costs across this continuum is challenging as organizations leading research efforts often do not have forums to share data, develop linkages, and explore collaborative opportunities.

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Purpose: To facilitate use of timely, granular, and publicly available data on COVID-19 mortality, we provide a method for imputing suppressed COVID-19 death counts in the National Center for Health Statistic's 2020 provisional mortality data by quarter, county, and age.

Methods: We used a Bayesian approach to impute suppressed COVID-19 death counts by quarter, county, and age in provisional data for 3,138 US counties. Our model accounts for multilevel data structures; numerous zero death counts among persons aged <50 years, rural counties, early quarters in 2020; highly right-skewed distributions; and different levels of data granularity (county, state or locality, and national levels).

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Background: Recent advancements in the clinical management of metastatic prostate cancer include several costly therapies and diagnostic tests. The objective of this study was to provide updated information on the cost to payers attributable to metastatic prostate cancer among men aged 18 to 64 years with employer-sponsored health plans and men aged 18 years or older covered by employer-sponsored Medicare supplement insurance.

Methods: By using Merative MarketScan commercial and Medicare supplemental data for 2009-2019, the authors calculated differences in spending between men with metastatic prostate cancer and their matched, prostate cancer-free controls, adjusting for age, enrollment length, comorbidities, and inflation to 2019 US dollars.

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Introduction: We sought to estimate per patient and annual aggregate health care costs related to metastatic prostate cancer.

Methods: Using the Surveillance, Epidemiology, and End Results-Medicare database, we identified fee-for-service Medicare beneficiaries ages 66 and older diagnosed with metastatic prostate cancer or claims with diagnosis codes for metastatic disease (indicating tumor progression following diagnosis) between 2007 and 2017. We measured annual health care costs and compared costs between cases and a sample of beneficiaries without prostate cancer.

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The annual direct medical cost attributable to human papillomavirus (HPV) in the United States over the period 2004-2007 was estimated at $9.36 billion in 2012 (updated to 2020 dollars). The purpose of this report was to update that estimate to account for the impact of HPV vaccination on HPV-attributable disease, reductions in the frequency of cervical cancer screening, and new data on the cost per case of treating HPV-attributable cancers.

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Purpose: We report the prevalence and economic cost of skin cancer treatment compared to other cancers overall in the USA from 2012 to 2018.

Methods: Using the Medical Expenditure Panel Survey full-year consolidated data files and associated medical conditions and medical events files, we estimate the prevalence, total costs, and per-person costs of treatment for melanoma and non-melanoma skin cancer among adults aged ≥ 18 years in the USA. To understand the changes in treatment prevalence and treatment costs of skin cancer in the context of overall cancer treatment, we also estimate the prevalence, total costs, and per-person costs of treatment for non-skin cancer among US adults.

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Objective: State-issued behavioral policy interventions (BPIs) can limit community spread of COVID-19, but their effects on COVID-19 transmission may vary by level of social vulnerability in the community. We examined the association between the duration of BPIs and the incidence of COVID-19 across levels of social vulnerability in US counties.

Methods: We used COVID-19 case counts from USAFacts and policy data on BPIs (face mask mandates, stay-at-home orders, gathering bans) in place from April through December 2020 and the 2018 Social Vulnerability Index (SVI) from the Centers for Disease Control and Prevention.

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Context: Mask mandates are one form of nonpharmaceutical intervention that has been utilized to combat the spread of SARS-CoV2, the virus that causes COVID-19.

Objective: This study examines the association between state-issued mask mandates and changes in county-level and hospital referral region (HRR)-level COVID-19 hospitalizations across the United States.

Design: Difference-in-difference and event study models were estimated to examine the association between state-issued mask mandates and COVID-19 hospitalization outcomes.

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Objectives: This study assessed the associations between parent intent to have their child receive the COVID-19 vaccination, and demographic factors and various child activities, including attendance at in-person education or childcare. Methods: Persons undergoing COVID-19 testing residing in Minnesota and Los Angeles County, California with children aged <12 years completed anonymous internet-based surveys between 10 May and 6 September 2021 to assess factors associated with intention to vaccinate their child. Factors influencing the parents’ decision to have their child attend in-person school or childcare were examined.

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Purpose: Treatments for endocrine-refractory or triple-negative metastatic breast cancer (mBC) are modestly effective at prolonging life and improving quality of life but can be extremely expensive. Given these tradeoffs in quality of life and cost, the optimal choice of treatment sequencing is unclear. Cost-effectiveness analysis can explicitly quantify such tradeoffs, enabling more informed decision making.

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In the past 2 decades, the demand for information on health economics research to guide health care decision making has substantially increased. Studies have provided evidence that eliminating or reducing tobacco use; eating a healthy diet, including fruit and vegetables; being physically active; reducing alcohol consumption; avoiding ultraviolet radiation; and minimizing exposure to environmental and occupational carcinogenic agents should substantially reduce cancer incidence in the population. The benefits of these primary prevention measures in reducing cancer incidence are not instantaneous.

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Purpose: Suboptimal diet is a preventable cause of cancer. We aimed to estimate the economic burden of diet-associated cancer among US adults.

Methods: We used a Comparative Risk Assessment model to quantify the number of new cancer cases attributable to seven dietary factors among US adults ages 20 + years.

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Background: This study projected the number of metastatic breast cancer (mBC) cases and costs (medical and productivity) attributable to mBC through 2030 among 3 age groups: younger (aged 18-44 years), midlife (aged 45-64 years), and older women (aged 65 years and older).

Methods: We developed a stock/flow model in which women enter the mBC population at initial diagnosis (de novo stage IV) or through progression of an earlier-stage cancer. Women exit the mBC population through death.

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Introduction: We estimated the lifetime medical costs of diagnosed cases of diseases attributable to human papillomavirus (HPV) infections acquired in 2018.

Methods: We adapted an existing mathematical model of HPV transmission and associated diseases to estimate the lifetime number of diagnosed cases of disease (genital warts; cervical intraepithelial neoplasia; and cervical, vaginal, vulvar, penile, anal, and oropharyngeal cancers) attributable to HPV infections that were acquired in 2018. For each of these outcomes, we multiplied the estimated number of cases by the estimated lifetime medical cost per case obtained from previous studies.

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Context: The Community Preventive Services Task Force recommends engaging community health workers to increase breast, cervical, and colorectal cancer screenings on the basis of strong evidence of effectiveness. This systematic review examines the economic evidence of these interventions.

Evidence Acquisition: A systematic literature search was performed with a search period through April 2019 to identify relevant economic evaluation studies.

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Cancer has substantial economic impacts for patients, their families and/or caregivers, employers, and the health care system. However, there is only limited understanding of how economic issues can affect access to cancer care services and the receipt of high-quality cancer care. Health economics research in cancer is particularly timely due to the large and increasing number of patients with cancer and cancer survivors, but there are many factors that may create barriers to performing cancer health economics research.

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Introduction: The objective of this study was to assess incremental costs and benefits of a human papillomavirus (HPV) vaccination program expanded to include "mid-adults" (adults aged 27 through 45 years) in the United States.

Methods: We adapted a previously published, dynamic mathematical model of HPV transmission and HPV-associated disease to estimate the incremental costs and benefits of a 9-valent HPV vaccine (9vHPV) program for people aged 12 through 45 years compared to a 9vHPV program for females aged 12 through 26 years and males aged 12 through 21 years.

Results: A 9vHPV program for females aged 12 through 26 years and males aged 12 through 21 years was estimated to cost < $10,000 quality-adjusted life year (QALY) gained, compared to no vaccination.

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Objectives: Studies of local stage prostate cancer survivors suggest that treatments carry risk of persistent impotence, incontinence, and bowel dysfunction. To examine impacts of cancer type and side effects on health-related quality of life (HRQoL) in long-term cancer survivorship, we evaluated 5-year follow-up of patients with prostate cancer and compared results with a matched group of male long-term survivors of other local-stage cancers.

Materials And Methods: We examined genitourinary, bowel and sexual symptoms, and general quality of life.

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Background: The objective of the current study was to estimate productivity costs due to metastatic breast cancer (mBC) via productive time lost among survivors and potential life-years lost from premature mortality among 3 age groups: younger (aged 18-44 years), midlife (aged 45-64 years), and older (aged ≥65 years) women.

Methods: The authors estimated the number of work and home productivity days missed due to mBC by age group using data from the 2000 to 2016 National Health Interview Survey. Years of potential life lost (YPLL) due to mBC were calculated for each age group using 2015 National Vital Statistics System data.

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Purpose: The National Breast and Cervical Cancer Early Detection Program (NBCCEDP) provides free cervical cancer screening to low-income women. This study estimated the health benefits gained in terms of life years (LYs) saved and quality-adjusted life years (QALYs) gained if cervical cancer screening by the NBCCEDP increased to reach more eligible women.

Methods: Data from Surveillance, Epidemiology, and End Results, NBCCEDP, and Medical Expenditure Panel Surveys were used.

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