Research
Studies of coverage, ownership, prices, place and the quality of care.
Themes
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Coverage and Medicaid
How eligibility rules, work requirements and insurance status change who is screened, diagnosed and treated.
9 articles
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Ownership, prices and payment
How quality and spending change when hospitals and practices join systems or are bought by private equity.
22 articles
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Place and vulnerability
How neighborhood, rurality and historic policy shape access to high-quality cancer care.
62 articles
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Surgical quality and outcomes
[TK]
42 articles
Featured studies
- The screenings that won’t happen JAMA Oncology, 2026
- When the hospital is also the insurer Health Affairs, 2026
- After the buyout, more deaths after surgery Health Affairs, 2025
- In vulnerable communities, surgery is more often unplanned Health Affairs, 2022
All publications
135 publications, newest first.
- Provider-Sponsored Health Plans Negotiated Lower Prices For Health Services Compared With Traditional Insurers, 2024
- Rural Residence and Postsurgical Outcomes Among Medicare Beneficiaries
- Minimally Invasive/Robotic Surgery for Colorectal Liver Metastasis
- Surgical Quality at Rural Hospitals After Private Equity Acquisition
- Projected Cancer Screening and Outcomes Under the 2025 Federal Medicaid Eligibility Restrictions
- Revisiting Minimally Invasive Distal Pancreatectomy
- Distribution of pancreatic cancer surgery centers and spatial access to care
- The Landmark Series: Minimally Invasive Pancreatic Resection for Ductal Adenocarcinoma, Updates, Trends, and Future Considerations
- ASO Author Reflections: The Landmark Series: Minimally Invasive Pancreatic Resection-Past, Present, and Future
- Hospitals Acquired By Private Equity Firms: Increased Postoperative Mortality For Common Inpatient Surgeries
- Changes in surgical quality and access after rural hospital closures
- Association of Hospital System Affiliation With Spending and Postoperative Outcomes: A Longitudinal Study of Hospital Mergers And Acquisitions From 2010 To 2018
- Private Equity Investment in Surgical Care
- Liver transplantation for nonresectable colorectal liver metastases: a new therapeutic horizon
- Surgeon Workforce in Underserved Communities
- Poverty and Its Impact on Surgical Care
- Variation in Postoperative Outcomes Across Federally Designated Hospital Star Ratings
- Bridging the Gap: Addressing Social Determinants to Enhance Access to Surgical Care and Improve Survival in Early-stage Colon Cancer
- Payer-Negotiated Price Variation and Relationship to Surgical Outcomes for the Most Common Cancers at NCI-Designated Cancer Centers
- Development of Neighborhood Trajectories Employing Historic Redlining and the Area Deprivation Index
- Trends in survival after heart transplantation based on Social Vulnerability Index in the United States
- Expanding Access to High-Quality Cancer Care Through Policy-California Cancer Care Equity Act
- Association of Hospital Quality and Neighborhood Deprivation With Mortality After Inpatient Surgery Among Medicare Beneficiaries
- Residential Redlining, Neighborhood Trajectory, and Equity of Breast and Colorectal Cancer Care
- Association Between Historical Redlining and Access to High-Volume Hospitals Among Patients Undergoing Complex Cancer Surgery in California
- Association of social determinants of health International Classification of Disease, Tenth Edition clinical modification codes with outcomes for emergency general surgery and trauma admissions
- Association of ICD-10 Clinical Modification Codes for Social Determinants of Health with Surgical Outcomes and Hospital Charges Among Cancer Patients
- ASO Author Reflections: International Classification of Diseases Codes for Social Determinants of Health: Still Not Ready for Prime Time
- Rural Versus Urban Cancer Care: Unpacking the Centralization Dilemma and the Impact of the COVID-19 Pandemic
- Optimizing care delivery in expanding health systems: Views from clinical leaders
- The Association of Persistent Poverty and Outcomes Among Patients Undergoing Cardiac Surgery
- California's State Insurance Gender Nondiscrimination Act and Utilization of Gender-Affirming Surgery-Reply
- Social determinants of health and surgical care
- Association Between California's State Insurance Gender Nondiscrimination Act and Utilization of Gender-Affirming Surgery
- Association of Skilled Nursing Facility Ownership by Health Care Networks With Utilization and Spending
- A novel machine learning approach to identify social risk factors associated with textbook outcomes after surgery
- Questioning the legitimacy of bariatric surgery: a qualitative analysis of individuals from the community who qualify for bariatric surgery
- Fragmentation of practice: The adverse effect of surgeons moving around
- Impact of Opioid Restriction Legislation on Prescribing Practices for Outpatient Plastic and Reconstructive Surgery
- Social Vulnerability And Outcomes For Access-Sensitive Surgical Conditions Among Medicare Beneficiaries
- Disparity in Clinical Trial Participation Among Patients with Gastrointestinal Cancer
- Association of Dual Medicare and Medicaid Eligibility With Outcomes and Spending for Cancer Surgery in High-Quality Hospitals
- Understanding Racially Diverse Community Member Views of Obesity Stigma and Bariatric Surgery
- Surgical quality assurance at expanding health networks: A qualitative study
- The win ratio: A novel approach to define and analyze postoperative composite outcomes to reflect patient and clinician priorities
- Emergency Surgery Rates Among Medicare Beneficiaries With Access Sensitive Surgical Conditions
- Do all Patients Get the Same Care Across Hospitals?
- Association of Neighborhood Deprivation, Race, and Postoperative Outcomes: Improvement in Neighborhood Deprivation is Associated With Worsening Surgical Disparities
- Achieving an optimal textbook outcome following pancreatic resection: The impact of surgeon specific experience in achieving high quality outcomes
- Surgical Leadership Competencies for Navigating Hospital Network Expansion
- The association of upward economic mobility with textbook outcomes among patients undergoing general and cardiovascular surgery
- Impact of the Affordable Care Act on Presentation, Treatment, and Outcomes of Intrahepatic Cholangiocarcinoma
- Impact of hospital quality on surgical outcomes in patients with high social vulnerability: Association of textbook outcomes and social vulnerability by hospital quality
- Rural hospitals are not associated with worse postoperative outcomes for colon cancer surgery
- Social vulnerability and fragmentation of postoperative surgical care among patients undergoing hepatopancreatic surgery
- ASO Author Reflections: Association of Community Economic Distress and Breast and Colorectal Cancer Screening, Incidence, and Mortality Rates among U.S. Counties
- Association of Community Economic Distress and Breast and Colorectal Cancer Screening, Incidence, and Mortality Rates Among US Counties
- Timing and Severity of Postoperative Complications and Associated 30-Day Mortality Following Hepatic Resection: a National Surgical Quality Improvement Project Study
- The impact of social vulnerability subthemes on postoperative outcomes differs by racial/ethnic minority status
- Trends in Textbook Outcomes over Time: Are Optimal Outcomes Following Complex Gastrointestinal Surgery for Cancer Increasing?
- Association of Historic Housing Policy, Modern Day Neighborhood Deprivation and Outcomes After Inpatient Hospitalization
- Geographic Disparities in Oncologic Treatment and Outcomes: The Urban-Rural Divide
- Impact of Perioperative Thromboembolic Complications on Future Long-term Risk of Venous Thromboembolism among Medicare Beneficiaries Undergoing Complex Gastrointestinal Surgery
- Profiles in social vulnerability: The association of social determinants of health with postoperative surgical outcomes
- Age-Based Left-Digit Bias in the Management of Acute Cholecystitis
- ASO Author Reflections: County-Level Racial Diversity is Associated with Textbook Outcomes for Pancreatic Surgery
- Association of County-Level Racial Diversity and Likelihood of a Textbook Outcome Following Pancreas Surgery
- Disparities in NCCN Guideline Compliant Care for Resectable Cholangiocarcinoma at Minority-Serving Versus Non-Minority-Serving Hospitals
- Impact of Psychiatric Illness on Survival among Patients with Hepatocellular Carcinoma
- County-level Social Vulnerability is Associated With Worse Surgical Outcomes Especially Among Minority Patients
- A higher hospital case mix index increases the odds of achieving a textbook outcome after hepatopancreatic surgery in the Medicare population
- Impact of Residential Racial Integration on Postoperative Outcomes Among Medicare Beneficiaries Undergoing Resection for Cancer
- Trends in Discharge Disposition Following Hepatectomy for Hepatocellular Carcinoma Among Medicare Beneficiaries
- In-house intensivist presence does not affect mortality in select emergency general surgery patients
- Intersection of social vulnerability and residential diversity: Postoperative outcomes following resection of lung and colon cancer
- Impact of Race/Ethnicity and County-Level Vulnerability on Receipt of Surgery Among Older Medicare Beneficiaries With the Diagnosis of Early Pancreatic Cancer
- ASO Author Reflections: County-Level Social Vulnerability Associated with Disparities in Pancreatic Cancer Treatment, Especially among Patients from Racial and Ethnic Minorities
- Patient Social Vulnerability and Hospital Community Racial/Ethnic Integration: Do All Patients Undergoing Pancreatectomy Receive the Same Care Across Hospitals?
- Geospatial Inefficiencies Associated With Digital Replantations at High-Volume Centers and Optimal Allocation Model for Centralization of Replantations
- End-of-Life Hospice Use and Medicare Expenditures Among Patients Dying of Hepatocellular Carcinoma
- Impact of cancer center accreditation on outcomes of patients undergoing resection for hepatocellular carcinoma: A SEER-Medicare analysis
- Association of social vulnerability with the use of high-volume and Magnet recognition hospitals for hepatopancreatic cancer surgery
- Trends and outcomes of simultaneous versus staged resection of synchronous colorectal cancer and colorectal liver metastases
- Robotic total knee arthroplasty: A missed opportunity for cost savings in Bundled Payment for Care Improvement initiatives?
- Complications After Complex Gastrointestinal Cancer Surgery: Benefits and Costs Associated with Inter-hospital Transfer Among Medicare Beneficiaries
- Postoperative imaging surveillance for hepatocellular carcinoma: How much is enough?
- Importance of Radiologists in Optimizing Outcomes for Older Americans with Acute Abdomen
- High Social Vulnerability and "Textbook Outcomes" after Cancer Operation
- Synergistic Impact of Alpha-Fetoprotein and Tumor Burden on Long-Term Outcomes Following Curative-Intent Resection of Hepatocellular Carcinoma
- Association of County-Level Vulnerability, Patient-Level Race/Ethnicity, and Receipt of Surgery for Early-Stage Hepatocellular Carcinoma
- Trends in the Geospatial Distribution of Inpatient Adult Surgical Services across the United States
- Challenges and Opportunities for the Academic Mission Within Expanding Health Systems: A Qualitative Study
- Variation in Surgical Spending Among the Highest Quality Hospitals for Cancer Surgery
- Mental illness is associated with increased risk of suicidal ideation among cancer surgical patients
- Utilization of High-Volume Hospitals for High-Risk Cancer Surgery in California Following Medicaid Expansion
- COVID-19 pandemic and mental health: The surgeon's role in re-engaging patients
- Identifying the fundamental structures and processes of care contributing to emergency general surgery quality using a mixed-methods Donabedian approach
- Rural Surgery and Status of the Rural Workplace: Hospital Survival and Economics
- Mitigating the health shock of traumatic injury
- The Impact of Mental Illness on Postoperative Outcomes Among Medicare Beneficiaries: A Missed Opportunity to Help Surgical Patients?
- COVID-19: The road to recovery
- Examining healthcare inequities relative to United States safety net hospitals
- Trends in the Geospatial Distribution of Adult Inpatient Surgical Cancer Care Across the United States
- Inter-surgeon variability is associated with likelihood to undergo minimally invasive hepatectomy and postoperative mortality
- Refusal of Surgery Among Patients with Early-Stage Hepato-Pancreato-Biliary Cancers: Predictive Factors and Outcomes
- Travel Patterns among Patients Undergoing Hepatic Resection in California: Does Driving Further for Care Improve Outcomes?
- Association of County-Level Social Vulnerability with Elective Versus Non-elective Colorectal Surgery
- Variations in surgical spending within hospital systems for complex cancer surgery
- Insurance status and high-volume surgical cancer: Access to high-quality cancer care
- Impact of time-to-surgery on outcomes of patients undergoing curative-intent liver resection for BCLC-0, A and B hepatocellular carcinoma
- Association of Neighborhood Characteristics with Utilization of High-Volume Hospitals Among Patients Undergoing High-Risk Cancer Surgery
- Re-examining "Never Letting the Sun Rise or Set on a Bowel Obstruction" in the Era of Acute Care Surgery
- Sex-based differences in time to surgical care among pancreatic cancer patients: A national study of Medicare beneficiaries
- The association between self-declared acute care surgery services and critical care resources: Results from a national survey
- Quality Versus Costs Related to Gastrointestinal Surgery: Disentangling the Value Proposition
- ASO Author Reflections: Centralization of High-Risk Cancer Surgery and Implications for Vulnerable Communities
- A Novel Classification of Intrahepatic Cholangiocarcinoma Phenotypes Using Machine Learning Techniques: An International Multi-Institutional Analysis
- The association of neighborhood social vulnerability with surgical textbook outcomes among patients undergoing hepatopancreatic surgery
- Regionalization of Pancreatectomy for Pancreatic Cancer-Reply
- Variation in value among hospitals performing complex cancer operations
- Elective surgery in the time of COVID-19
- Optimal Location for Centralization of Hospitals Performing Pancreas Resection in California
- Accessing surgical care for esophageal cancer: patient travel patterns to reach higher volume center
- Hepatopancreatobiliary Surgery: the Role of Clinical Resources and Variation in Performance of Hospitals Located in "Distressed" Communities
- Complex hepato-pancreato-biliary caseload during general surgery residency training: are we adequately training the next generation?
- Accessing surgical care for pancreaticoduodenectomy: Patient variation in travel distance and choice to bypass hospitals to reach higher volume centers
- Local referrals as a strategy for increasing value of surgical care among medicare patients undergoing liver and pancreatic surgery
- Women surgeons and the emergence of acute care surgery programs
- Characterizing and Assessing the Impact of Surgery on Healthcare Spending Among Medicare Enrolled Preoperative Super-utilizers
- Geographic Distribution of Adult Inpatient Surgery Capability in the USA
- Association between operating room access and mortality for life-threatening general surgery emergencies
- Hospital Teaching Status and Medicare Expenditures for Hepato-Pancreato-Biliary Surgery
- Surgical Procedures in Health Professional Shortage Areas: Impact of a Surgical Incentive Payment Plan
- Papillary lesions of the breast: To excise or observe?
- Tinnitus management with percutaneous osseointegrated auditory implants for unilateral sensorineural hearing loss