Vivian Ho
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View article: US Medical Prices and Health Insurance Premiums, 1999-2024
US Medical Prices and Health Insurance Premiums, 1999-2024 Open
This economic evaluation describes changes in US workers’ contributions to health insurance premiums and medical costs compared with wages from 1999 to 2024.
View article: Nonprofit Hospital CEO Compensation
Nonprofit Hospital CEO Compensation Open
Background: Past research has documented that increases in profits and health system size, as well as increases in the reward generosity for improving these metrics play an important role in explaining increases in nonprofit hospital CEO p…
View article: The impacts of intellectual capital of microfinance institutions on poverty alleviation
The impacts of intellectual capital of microfinance institutions on poverty alleviation Open
This study examines the impact of Intellectual Capital (IC) on poverty alleviation using a panel dataset of 3,114 Microfinance Institutions (MFIs) across 120 countries from 2009 - 2018. Intellectual capital is measured using the Value Adde…
View article: Integrative single-cell RNA-seq and spatial transcriptomics analyses reveal diverse apoptosis-related gene expression profiles in EGFR-mutated lung cancer
Integrative single-cell RNA-seq and spatial transcriptomics analyses reveal diverse apoptosis-related gene expression profiles in EGFR-mutated lung cancer Open
In EGFR -mutated lung cancer, the duration of response to tyrosine kinase inhibitors (TKIs) is limited by the development of acquired drug resistance. Despite the crucial role played by apoptosis-related genes in tumor cell survival, how t…
View article: The determinants of nonprofit hospital CEO compensation
The determinants of nonprofit hospital CEO compensation Open
Hospital CEO salaries have grown quickly over the past two decades. We investigate correlates of rising nonprofit hospital CEO pay between 2012 and 2019 by merging compensation data from Candid’s IRS 990 forms with hospital data from the N…
View article: Why does the cost of employer-sponsored coverage keep rising?
Why does the cost of employer-sponsored coverage keep rising? Open
Over the past 25 years, the gap between the increase in health insurance costs and workers’ wages has significantly expanded. This trend has led to significant concerns about healthcare affordability, with surveys revealing conflicting opi…
View article: Determinants of referral network size for screening colonoscopies in the Veterans Health Administration after the implementation of the MISSION Act
Determinants of referral network size for screening colonoscopies in the Veterans Health Administration after the implementation of the MISSION Act Open
Objective To measure key characteristics of the Veterans Health Administration's (VHA) Community Care (CC) referral network for screening colonoscopy and identify market and institutional factors associated with network size. Data Sources …
View article: Comparison of Hospital Online Price and Telephone Price for Shoppable Services
Comparison of Hospital Online Price and Telephone Price for Shoppable Services Open
Importance US hospitals are required to publicly post their prices for specified shoppable services online. However, the extent to which a hospital’s prices posted online correlate with the prices they give to a telephone caller is unknown…
View article: Introduction of a Novel Sequential Approach to the Ponte Osteotomy to Minimize Spinal Canal Exposure
Introduction of a Novel Sequential Approach to the Ponte Osteotomy to Minimize Spinal Canal Exposure Open
Ponte osteotomy is an increasingly popular technique for multiplanar correction of adolescent idiopathic scoliosis. Prior cadaveric studies have suggested that sequential posterior spinal releases increase spinal flexibility. Here we intro…
View article: Critical Appraisal Tools to Aid Pharmacists in Evidence-Based Practice: A Narrative Review
Critical Appraisal Tools to Aid Pharmacists in Evidence-Based Practice: A Narrative Review Open
Background: Pharmacists and allied health researchers need to ensure that their practice is supported by current, evidence-based information. Critical appraisal tools have been developed to aid in this process. Objectives: To analyze the c…
View article: A Comparison of US Medicare Expenditures for Hemodialysis and Peritoneal Dialysis
A Comparison of US Medicare Expenditures for Hemodialysis and Peritoneal Dialysis Open
Background Observations that peritoneal dialysis (PD) may be an effective, lower-cost alternative to hemodialysis for the treatment of ESKD have led to policies encouraging PD and subsequent increases in its use in the United States. Metho…
View article: Association of Level I and II Trauma Center Expansion With Insurer Payments in Texas From 2011 to 2019
Association of Level I and II Trauma Center Expansion With Insurer Payments in Texas From 2011 to 2019 Open
This cross-sectional study examines whether the expansion of level I and II trauma centers in Texas was associated with higher prices or more trauma activation fees.
View article: Private Equity Investments In Health Care: An Overview Of Hospital And Health System Leveraged Buyouts, 2003–17
Private Equity Investments In Health Care: An Overview Of Hospital And Health System Leveraged Buyouts, 2003–17 Open
Private equity firms have increased their participation in the US health care system, raising questions about incentive alignment and downstream effects on patients. However, there is a lack of systematic characterization of private equity…
View article: Pre-ESKD Nephrology Care and Employment at the Start of Dialysis
Pre-ESKD Nephrology Care and Employment at the Start of Dialysis Open
Pre-ESKD nephrology care 6 months prior to initiation of dialysis is not associated with the likelihood of remaining employed at the initiation of dialysis. Although nephrology care has potential to help patients remain employed, this bene…
View article: Using Medicare data to measure vertical integration of hospitals and physicians
Using Medicare data to measure vertical integration of hospitals and physicians Open
Researchers, healthcare providers, and policy makers have become increasingly interested in the cost and quality effects of vertical integration (VI) between hospitals and physicians. However, tracking VI is often financially costly. Becau…
View article: Bundled Payment Reform and Dialysis Facility Closures in ESKD
Bundled Payment Reform and Dialysis Facility Closures in ESKD Open
Significance Statement Inclusion of injectable medications into an expanded ESKD payment bundle in 2011 led to concerns that dialysis facilities facing higher costs might close, disrupting the delivery of and access to care. The authors an…
View article: Follow-up Colonoscopies: Referral Patterns and Outcomes in Colorectal Cancer Survivors
Follow-up Colonoscopies: Referral Patterns and Outcomes in Colorectal Cancer Survivors Open
To promote optimal resource use in cancer care, this study investigated referral patterns of follow-up colonoscopies for colorectal cancer survivors and their test results.
View article: Safety-Net Care for Maintenance Dialysis in the United States
Safety-Net Care for Maintenance Dialysis in the United States Open
Significance Statement Information about where patients in the United States with limited health insurance coverage receive maintenance dialysis has been lacking. The authors identified patients who were “safety-net reliant”—those who were…
View article: Evaluation of the liver with virtual non-contrast: single institution study in 149 patients undergoing TAVR planning
Evaluation of the liver with virtual non-contrast: single institution study in 149 patients undergoing TAVR planning Open
Objective: To evaluate accuracy of virtual-non-contrast images (VNC) compared to true-unenhanced-images (TNC) for evaluation of liver attenuation acquired using spectral-detector CT (SDCT). Methods: 149 patients who underwent multiphase tr…
View article: Freestanding Emergency Department Entry and Market‐level Spending on Emergency Care
Freestanding Emergency Department Entry and Market‐level Spending on Emergency Care Open
Background Freestanding emergency departments (FrEDs) could reduce wait times in overcrowded emergency departments (EDs), but they might also increase usage and overall spending for emergency care. We investigate the relationship between t…
View article: Association of Hospitalization and Mortality Among Patients Initiating Dialysis With Hemodialysis Facility Ownership and Acquisitions
Association of Hospitalization and Mortality Among Patients Initiating Dialysis With Hemodialysis Facility Ownership and Acquisitions Open
Acquisition of independently owned dialysis facilities by larger dialysis organizations was associated with slower decreases in mortality and hospitalization rates, as nonacquired facilities appeared to experience more rapid improvements i…
View article: Freestanding emergency departments in Texas do not alleviate congestion in hospital-based emergency departments
Freestanding emergency departments in Texas do not alleviate congestion in hospital-based emergency departments Open
The entry of FrEDs did not help relieve congestion in nearby hospitals in major metropolitan areas in Texas. By offering more treatment options to patients, FrEDs are associated with increased usage of emergency services.
View article: How much of US health care spending provides direct care or benefit to patients?
How much of US health care spending provides direct care or benefit to patients? Open
Plans to optimize health care in the United States highlight the high cost but rarely explore opportunities for redirecting resources within the existing system to increase access to care while lowering spending. This analysis indicates th…
View article: Association of Statewide Certificate of Need Regulations With Percutaneous Coronary Intervention Appropriateness and Outcomes
Association of Statewide Certificate of Need Regulations With Percutaneous Coronary Intervention Appropriateness and Outcomes Open
Background Certificate of need ( CON ) regulations are intended to coordinate new healthcare services, limit expansion of unnecessary new infrastructure, and limit healthcare costs. However, there is limited information about the associati…
View article: The “American (cancer) patients first” plan to reduce drug prices—A critical assessment
The “American (cancer) patients first” plan to reduce drug prices—A critical assessment Open
Serious concerns over the rising cost of cancer drugs in the United States1-3 are increasing,4-9 following a decade during which prices rose from an average of less than $10 000/year to more than $170 000/year in 2017.10 Despite the drug i…