John Hsu
Dados Biográficos
| ID | 3972567 |
|---|---|
| NOME | John Hsu |
| PRENOMES | John |
| SOBRENOME | Hsu |
| ASSINATURA | HSU J |
| AFILIAÇÕES | Kaiser Permanente |
| ORCID | 0000-0001-8244-231X |
| VERIFICADO | Sim |
| TOTAL DE OBRAS | 21 |
| TOTAL DE CITAÇÕES | 0 |
| TOTAL COMO AUTOR | 20 |
| TOTAL COMO EDITOR | 1 |
| PRIMEIRO ANO DE PUBLICAÇÃO | 1981 |
| ANO MAIS RECENTE DE PUBLICAÇÃO | 2024 |
| ÍNDICE H | 0 |
Associations Between Annual Medicare Part D Low-Income Subsidy Loss and Prescription Drug Spending and Use
The conclusions of this cohort study suggest that efforts to help eligible beneficiaries retain Medicare Part D subsidies could improve drug affordability, treatment adherence, and reduce disparities in medication access
Changes in Insurance Coverage Continuity After Affordable Care Act Expansion of Medicaid Eligibility for Young Adults With Low Income in Massachusetts
In this cohort study of young adults in Massachusetts, the combination of expanding Medicaid to lower-income adults and increasing the age threshold for child Medicaid eligibility was associated with reduced likelihood of becoming uninsured among Medicaid enrollees entering adulthood
Evaluation of Claims-Based Ascertainment of Alzheimer Disease and Related Dementias Across Health Care Settings
This cohort study evaluates the ascertainment of Alzheimer disease and related dementia using diagnostic codes in various health care settings
Identifying Medicare Beneficiaries With Delirium
BACKGROUND: Each year, thousands of older adults develop delirium, a serious, preventable condition. At present, there is no well-validated method to identify patients with delirium when using Medicare claims data or other large datasets. We developed and assessed the performance of classification algorithms based on longitudinal Medicare administrative data that included International Classification of Diseases, 10th Edition diagnostic codes. ME…
Payment Discrepancies and Access to Primary Care Physicians for Dual-eligible Medicare-Medicaid Beneficiaries
BACKGROUND: Physicians often receive lower payments for dual-eligible Medicare-Medicaid beneficiaries versus nondual Medicare beneficiaries because of state reimbursement caps. The Affordable Care Act (ACA) primary care fee bump temporarily eliminated this differential in 2013-2014. OBJECTIVE: To examine how dual payment policy impacts primary care physicians' (PCP) acceptance of duals. RESEARCH DESIGN: We assessed differences in the likelihood t…
Portal Use Among Patients With Chronic Conditions
BACKGROUND: Personal health records offer patients access to view their own health information and to manage their care online through secure patient portal tools. Little is known about the patient-reported experience in using health portals to manage chronic conditions. OBJECTIVE: In a patient-centered research study, we examined how using portal tools affects patient health care experiences among patients with chronic conditions. We also examin…
Epilepsy Among Elderly Medicare Beneficiaries
BACKGROUND: Uncertain validity of epilepsy diagnoses within health insurance claims and other large datasets have hindered efforts to study and monitor care at the population level. OBJECTIVES: To develop and validate prediction models using longitudinal Medicare administrative data to identify patients with actual epilepsy among those with the diagnosis. RESEARCH DESIGN, SUBJECTS, MEASURES: We used linked electronic health records and Medicare a…
The Next Step Towards Making Use Meaningful
BACKGROUND: Care for patients with chronic conditions often requires coordination between multiple physicians and delivery sites. Electronic Health Record (EHR) use could improve care quality and efficiency in part by facilitating care coordination. OBJECTIVE: We examined the association between EHR use and clinician perceptions of care coordination for patients transferred across clinicians and delivery sites. RESEARCH DESIGN: Repeated surveys o…
Adverse Clinical Events Among Medicare Beneficiaries Using Antipsychotic Drugs
OBJECTIVE: Medicare Part D provides formulary protections for antipsychotics but does not exempt these drugs from cost-sharing. We investigated the impact of Part D coverage on antipsychotic drug spending, adherence, and clinical outcomes among beneficiaries with varying indications for use. METHODS: We conducted a historical cohort study of Medicare Advantage beneficiaries who received antipsychotic drugs, with diagnoses of schizophrenia or bipo…
Consumer-directed Health Plans With Health Savings Accounts
BACKGROUND: Employers are increasingly offering high-deductible health insurance plans with associated health savings accounts (HSAs), but there is limited information on account contributions or effects on patient care seeking. OBJECTIVE: We examined HSA contributions and their source, patient-reported effects of costs on care seeking, and reports of financial burden. RESEARCH DESIGN: We conducted telephone interviews with 488 adult members of s…
Validation of an Algorithm for Categorizing the Severity of Hospital Emergency Department Visits
BACKGROUND: Differentiating between appropriate and inappropriate resource use represents a critical challenge in health services research. The New York University Emergency Department (NYU ED) visit severity algorithm attempts to classify visits to the ED based on diagnosis, but it has not been formally validated. OBJECTIVE: To assess the validity of the NYU algorithm. RESEARCH DESIGN: A longitudinal study in a single integrated delivery system …
Meaningful Variation in Performance
BACKGROUND: Variance reduction is sometimes considered as a goal of clinical quality improvement. Variance among physicians, hospitals, or health plans has been evaluated as the proportion of total variance (or intraclass correlation, ICC) in a quality measure; low ICCs have been interpreted to indicate low potential for quality improvement at that level. However, the absolute amount of variation, expressed in clinically meaningful units, is less…
Meaningful Variation in Performance
BACKGROUND: Recommendations for directing quality improvement initiatives at particular levels (eg, patients, physicians, provider groups) have been made on the basis of empirical components of variance analyses of performance. OBJECTIVE: To review the literature on use of multilevel analyses of variability in quality. RESEARCH DESIGN: Systematic literature review of English-language articles (n = 39) examining variability and reliability of perf…
Office Visit Copayments
BACKGROUND: There is limited information on patients' knowledge about their cost-sharing requirements and how that influenced their care-seeking behavior. OBJECTIVE: To examine patients' knowledge of their office visit copayments, their self-reported responses to perceived and actual copayments, and discussions with physicians about costs. RESEARCH DESIGN: Cross-sectional telephone interview study with a 71% response rate. SUBJECTS: Stratified ra…
Academic Detailing to Improve Laboratory Testing Among Outpatient Medication Users
PURPOSE: To determine whether group academic detailing with performance feedback increases recommended laboratory monitoring among outpatients dispensed medications. METHODS: Thirty-eight primary care practices in 3 states were randomized to group academic detailing with physician-level performance feedback (intervention) or a control group. Adjusted differences in creatinine and potassium testing between intervention and control group patients w…
Early Experiences with e-Health Services (1999–2002)
BACKGROUND: E-health services may improve the quality and efficiency of care; however, there is little quantitative data on e-health use. OBJECTIVE: The objective of this study was to examine trends in e-health use and user characteristics. RESEARCH DESIGN: This was a longitudinal study of e-health use (1999-2002) within an integrated delivery system (IDS). We classified 4 e-health services into transactional (drug refills and appointment schedul…
Effect of Increased Cost-Sharing on Oral Hypoglycemic Use in Five Managed Care Organizations
BACKGROUND: For patients with a chronic disease, increased cost-sharing for medications may lead to unintended consequences, including reduced use of medications essential for control of their disease. OBJECTIVE: The objective of this study was to estimate the effects of small ($1-6 per 30-day supply), moderate ($7-10), and large (>$10) increases in medication cost-sharing on 12-month trends in oral hypoglycemic (OH) use among adults with type 2 …
Care-Seeking Behavior in Response to Emergency Department Copayments
BACKGROUND: Patients are increasingly paying for more of their medical care through cost-sharing, yet little is known about how patients change the ways that they seek care in response. OBJECTIVE: We sought to assess how patients change their care-seeking behavior in response to emergency department (ED) copayments. RESEARCH DESIGN: Telephone interviews with a stratified random sample of adult members of a large integrated delivery system. SUBJEC…
Asian American X
"This diverse collection, like Asian America itself, adds up to something far more vibrant than the sum of its voices." -Eric Liu, author of The Accidental Asian "There's fury, dignity, and self-awareness in these essays. I found the voices to be energetic and the ideas exciting." -Diana Son, playwright (Stop Kiss) and co-producer (Law & Order: Criminal Intent) This refreshing and timely collection of coming-of-age essays, edited and written by y…
Cost-Sharing
BACKGROUND: The use of cost-sharing to control healthcare expenditures is increasing, but there is scant information about patients' knowledge of cost-sharing or its influence on behavior. OBJECTIVE: The objective of this study was to evaluate what patients know about their individual levels of cost-sharing and how it influences decisions to seek care. STUDY DESIGN: We conducted a cross-sectional telephone survey with a 69% response rate. SUBJECT…
Pieces de viole
Sem obras proeminentes nesta página.
Pieces de viole
Asian American X
"This diverse collection, like Asian America itself, adds up to something far more vibrant than the sum of its voices." -Eric Liu, author of The Accidental Asian "There's fury, dignity, and self-awareness in these essays. I found the voices to be energetic and the ideas exciting." -Diana Son, playwright (Stop Kiss) and co-producer (Law & Order: Criminal Intent) This refreshing and timely collection of coming-of-age essays, edited and written by y…
Cost-Sharing
BACKGROUND: The use of cost-sharing to control healthcare expenditures is increasing, but there is scant information about patients' knowledge of cost-sharing or its influence on behavior. OBJECTIVE: The objective of this study was to evaluate what patients know about their individual levels of cost-sharing and how it influences decisions to seek care. STUDY DESIGN: We conducted a cross-sectional telephone survey with a 69% response rate. SUBJECT…
Effect of Increased Cost-Sharing on Oral Hypoglycemic Use in Five Managed Care Organizations
BACKGROUND: For patients with a chronic disease, increased cost-sharing for medications may lead to unintended consequences, including reduced use of medications essential for control of their disease. OBJECTIVE: The objective of this study was to estimate the effects of small ($1-6 per 30-day supply), moderate ($7-10), and large (>$10) increases in medication cost-sharing on 12-month trends in oral hypoglycemic (OH) use among adults with type 2 …
Care-Seeking Behavior in Response to Emergency Department Copayments
BACKGROUND: Patients are increasingly paying for more of their medical care through cost-sharing, yet little is known about how patients change the ways that they seek care in response. OBJECTIVE: We sought to assess how patients change their care-seeking behavior in response to emergency department (ED) copayments. RESEARCH DESIGN: Telephone interviews with a stratified random sample of adult members of a large integrated delivery system. SUBJEC…
Early Experiences with e-Health Services (1999–2002)
BACKGROUND: E-health services may improve the quality and efficiency of care; however, there is little quantitative data on e-health use. OBJECTIVE: The objective of this study was to examine trends in e-health use and user characteristics. RESEARCH DESIGN: This was a longitudinal study of e-health use (1999-2002) within an integrated delivery system (IDS). We classified 4 e-health services into transactional (drug refills and appointment schedul…
Academic Detailing to Improve Laboratory Testing Among Outpatient Medication Users
PURPOSE: To determine whether group academic detailing with performance feedback increases recommended laboratory monitoring among outpatients dispensed medications. METHODS: Thirty-eight primary care practices in 3 states were randomized to group academic detailing with physician-level performance feedback (intervention) or a control group. Adjusted differences in creatinine and potassium testing between intervention and control group patients w…
Office Visit Copayments
BACKGROUND: There is limited information on patients' knowledge about their cost-sharing requirements and how that influenced their care-seeking behavior. OBJECTIVE: To examine patients' knowledge of their office visit copayments, their self-reported responses to perceived and actual copayments, and discussions with physicians about costs. RESEARCH DESIGN: Cross-sectional telephone interview study with a 71% response rate. SUBJECTS: Stratified ra…
Validation of an Algorithm for Categorizing the Severity of Hospital Emergency Department Visits
BACKGROUND: Differentiating between appropriate and inappropriate resource use represents a critical challenge in health services research. The New York University Emergency Department (NYU ED) visit severity algorithm attempts to classify visits to the ED based on diagnosis, but it has not been formally validated. OBJECTIVE: To assess the validity of the NYU algorithm. RESEARCH DESIGN: A longitudinal study in a single integrated delivery system …
Meaningful Variation in Performance
BACKGROUND: Variance reduction is sometimes considered as a goal of clinical quality improvement. Variance among physicians, hospitals, or health plans has been evaluated as the proportion of total variance (or intraclass correlation, ICC) in a quality measure; low ICCs have been interpreted to indicate low potential for quality improvement at that level. However, the absolute amount of variation, expressed in clinically meaningful units, is less…
Meaningful Variation in Performance
BACKGROUND: Recommendations for directing quality improvement initiatives at particular levels (eg, patients, physicians, provider groups) have been made on the basis of empirical components of variance analyses of performance. OBJECTIVE: To review the literature on use of multilevel analyses of variability in quality. RESEARCH DESIGN: Systematic literature review of English-language articles (n = 39) examining variability and reliability of perf…
Consumer-directed Health Plans With Health Savings Accounts
BACKGROUND: Employers are increasingly offering high-deductible health insurance plans with associated health savings accounts (HSAs), but there is limited information on account contributions or effects on patient care seeking. OBJECTIVE: We examined HSA contributions and their source, patient-reported effects of costs on care seeking, and reports of financial burden. RESEARCH DESIGN: We conducted telephone interviews with 488 adult members of s…
Adverse Clinical Events Among Medicare Beneficiaries Using Antipsychotic Drugs
OBJECTIVE: Medicare Part D provides formulary protections for antipsychotics but does not exempt these drugs from cost-sharing. We investigated the impact of Part D coverage on antipsychotic drug spending, adherence, and clinical outcomes among beneficiaries with varying indications for use. METHODS: We conducted a historical cohort study of Medicare Advantage beneficiaries who received antipsychotic drugs, with diagnoses of schizophrenia or bipo…
The Next Step Towards Making Use Meaningful
BACKGROUND: Care for patients with chronic conditions often requires coordination between multiple physicians and delivery sites. Electronic Health Record (EHR) use could improve care quality and efficiency in part by facilitating care coordination. OBJECTIVE: We examined the association between EHR use and clinician perceptions of care coordination for patients transferred across clinicians and delivery sites. RESEARCH DESIGN: Repeated surveys o…
Portal Use Among Patients With Chronic Conditions
BACKGROUND: Personal health records offer patients access to view their own health information and to manage their care online through secure patient portal tools. Little is known about the patient-reported experience in using health portals to manage chronic conditions. OBJECTIVE: In a patient-centered research study, we examined how using portal tools affects patient health care experiences among patients with chronic conditions. We also examin…
Epilepsy Among Elderly Medicare Beneficiaries
BACKGROUND: Uncertain validity of epilepsy diagnoses within health insurance claims and other large datasets have hindered efforts to study and monitor care at the population level. OBJECTIVES: To develop and validate prediction models using longitudinal Medicare administrative data to identify patients with actual epilepsy among those with the diagnosis. RESEARCH DESIGN, SUBJECTS, MEASURES: We used linked electronic health records and Medicare a…
Payment Discrepancies and Access to Primary Care Physicians for Dual-eligible Medicare-Medicaid Beneficiaries
BACKGROUND: Physicians often receive lower payments for dual-eligible Medicare-Medicaid beneficiaries versus nondual Medicare beneficiaries because of state reimbursement caps. The Affordable Care Act (ACA) primary care fee bump temporarily eliminated this differential in 2013-2014. OBJECTIVE: To examine how dual payment policy impacts primary care physicians' (PCP) acceptance of duals. RESEARCH DESIGN: We assessed differences in the likelihood t…
Changes in Insurance Coverage Continuity After Affordable Care Act Expansion of Medicaid Eligibility for Young Adults With Low Income in Massachusetts
In this cohort study of young adults in Massachusetts, the combination of expanding Medicaid to lower-income adults and increasing the age threshold for child Medicaid eligibility was associated with reduced likelihood of becoming uninsured among Medicaid enrollees entering adulthood
Evaluation of Claims-Based Ascertainment of Alzheimer Disease and Related Dementias Across Health Care Settings
This cohort study evaluates the ascertainment of Alzheimer disease and related dementia using diagnostic codes in various health care settings
Identifying Medicare Beneficiaries With Delirium
BACKGROUND: Each year, thousands of older adults develop delirium, a serious, preventable condition. At present, there is no well-validated method to identify patients with delirium when using Medicare claims data or other large datasets. We developed and assessed the performance of classification algorithms based on longitudinal Medicare administrative data that included International Classification of Diseases, 10th Edition diagnostic codes. ME…
Associations Between Annual Medicare Part D Low-Income Subsidy Loss and Prescription Drug Spending and Use
The conclusions of this cohort study suggest that efforts to help eligible beneficiaries retain Medicare Part D subsidies could improve drug affordability, treatment adherence, and reduce disparities in medication access
Medicine (15 obras) · Health care (9 obras) · Family medicine (7 obras) · Healthcare Policy and Management (7 obras) · MEDLINE (7 obras) · Primary Care and Health Outcomes (7 obras) · Political science (6 obras) · Business (5 obras) · Nursing (5 obras) · Emergency Medicine (4 obras)