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Sex-Based Disparities in the Hourly Earnings of Surgeons in the Fee-for-Service System in Ontario, Canada

Abstract Importance  Sex-based income disparities are well documented in medicine and most pronounced in surgery. These disparities are commonly attributed to differences in hours worked. […]

Emergency department use among young adult Medicare beneficiaries with autism and intellectual disabilities

Abstract Background Individuals on the autism spectrum are at greater risk for a variety of co-occurring psychiatric and medical conditions, which could result in greater […]

Serious infections in patients with myasthenia gravis: population‐based cohort study

Abstract Background and purpose To characterize the frequency and risk of serious infections in patients with myasthenia gravis (MG) relative to age/sex/area‐matched comparators. Methods This […]

Declining Use of Red Blood Cell Transfusions for Gastrointestinal Cancer Surgery: A Population-Based Analysis

Abstract Background Gastrointestinal cancer surgery patients often develop perioperative anemia commonly treated with red blood cell (RBC) transfusions. Given the potential associated risks, evidence published […]

Impact of preoperative echocardiography on surgical delays and outcomes among adults with hip fracture

Aims Echocardiography is commonly used in hip fracture patients to evaluate perioperative cardiac risk. However, echocardiography that delays surgical repair may be harmful. The objective […]

90-90-90 for everyone?: Access to HIV care and treatment for people with HIV who experience imprisonment in Ontario, Canada

ABSTRACT Background We examined HIV care and treatment in prison and after release for people with HIV in Ontario, Canada, and compared HIV care and […]

Correlation between potentially inappropriate medication and Alzheimer’s disease among the elderly

Abstract Purpose This study is conducted to explore the association between potentially inappropriate medication (PIM) and Alzheimer’s disease (AD) among the elderly. Methods We used […]

Fracture Risk in Patients with Myasthenia Gravis: A Population-Based Cohort Study

Abstract Objective Prednisone is a common treatment for myasthenia gravis (MG), and osteoporosis is a known potential risk of chronic prednisone therapy. Our aim was […]

Impact of frailty on inpatient outcomes in thyroid cancer surgery: 10-year results from the U.S. national inpatient sample

Abstract Background Frailty is linked to perioperative morbidity and mortality. We evaluated the impact of preoperative frailty on inpatient outcomes of patients undergoing surgery for […]

Early postoperative follow-up reduces risk of late severe nutritional complications after Roux-En-Y gastric bypass: a population based study

Abstract Background Severe nutritional complications can occur following Roux-en-Y gastric bypass (RYGB). Adherence to follow-up visits can reduce the risk of many bariatric surgery complications, […]

Type 1 diabetes prevalence and incidence rates in the pediatric population of Veneto Region (Italy) in 2015–2020

Abstract The prevalence of Type 1 Diabetes (T1D) in the Veneto Region (Italy) in the 2015–2020 years was 152.5/100,000 subjects and the incidence 19.7/100,000 person-years. Accordingly, Veneto Region […]

Second and later-line erlotinib use in non-small cell lung cancer: real world outcomes and practice patterns overtime in Canada

Abstract Background In Canada, epidermal growth factor receptor (EGFR) inhibitor therapies in advanced non-small cell lung cancer (NSCLC) were initially approved regardless of EGFR status. The purpose […]

Patient Service Utilization Among Individuals with Co‑occurring Disorders: A Comparison of Two Models of Care Coordination

Abstract Background Healthcare systems have increasingly adopted integrated care models with demonstrated effectiveness. However, few studies examine integrated care for individuals with co-morbid mental illness […]

Effectiveness of COVID-19 vaccines against symptomatic SARS-CoV-2 infection and severe outcomes with variants of concern in Ontario

Abstract SARS-CoV-2 variants of concern (VOC) are more transmissible and may have the potential for increased disease severity and decreased vaccine effectiveness. We estimated the […]

Assessing the Added Value of Vital Signs Extracted from Electronic Health Records in Healthcare Risk Adjustment Models

Abstract Objective Patient vital signs are related to specific health risks and outcomes but are underutilized in the prediction of health-care utilization and cost. To […]

Hip Fractures in Adults with Schizophrenia: A Population-based Evaluation of the Burden and Quality of Care

Abstract Hip fractures have life-altering consequences. Individuals with schizophrenia may experience a higher likelihood of hip fractures, worse postfracture outcomes, and suboptimal care. This thesis […]

Impact of Immigration Status on Survival Among Stage 1 and 2 HER2-Positive and Triple-Negative Breast Cancer in Ontario, Canada

ABSTRACT Background This study examined death from breast cancer and death from other causes among women with Stage 1 and 2 Her2-positive and triple-negative breast […]

The Impact of Frailty on Short-Term Outcomes After Surgery for Zenker Diverticulum

Abstract Objective Determine relationship between frailty and hospital mortality, length of stay, cost, and medical and surgical complications in Zenker diverticulum surgery. Study Design Retrospective […]

Implementation, impact of vaccination coverage and determinants of VZV immunization in people living with HIV: The HIV-ZoVax study

Abstract Background Shingles remains a significant cause of morbidity in people living with HIV despite advances in antiretroviral therapy. The recombinant zoster vaccine (RZV) is […]

Primary care utilization and attachment among burn survivors: A population-based matched cohort study

Abstract Background Many burn survivors experience poor long-term outcomes, including reduced quality of life and greater mortality than the general population, yet post-discharge interventions to […]

Developing and validating an electronic health record-embedded AI model for managing multimorbid hospitalisation risk in patients with chronic RESpiratory disease (AiRES): a study protocol

Abstract Background Chronic respiratory diseases (CRDs), such as asthma and chronic obstructive pulmonary disease (COPD), are heterogeneous conditions with a high multimorbidity burden. However, existing risk […]

Continuity in a fragmented healthcare system – organizational and individual determinants

Abstract Background Continuity of care is key for high-quality primary care, associated with improved health outcomes, reduced mortality and more efficient use of resources. Achieving […]

Evaluating an insurer-based health coaching program: Impact of program engagement on healthcare utilization and weight loss

Abstract Insurers and employers are increasingly offering lifestyle and weight-loss coaching programs; however, few evaluations have examined their effectiveness. Our objectives were to determine whether […]

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Population Health Profiling

This webinar will explore how the ACG System can – and is – being used to support commissioners and those responsible for the management of […]

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Risk adjusted resource allocation in Sweden

Presented by:Andreas Johansson, M.Sc., Founder of Ensolution

Comparison of health care needs of child family members of adults with alcohol or drug dependence versus adults with asthma or diabetes

J Dev Behav Pediatr 35:282-291. Division of Research, Kaiser Permanente Northern California, Oakland, CA, USA OBJECTIVE: To compare the health problems, preventive care utilization, and […]

Prevalence of depression in adults with type 2 diabetes in the Basque Country: relationship with glycaemic control and health care costs

BMC Public Health 14:769. Basque Institute for Healthcare Innovation, Barakaldo, Spain BACKGROUND: The aim of the study was to estimate the prevalence of depression in […]

Data resource profile: Pathways to Health and Social Equity for Children (PATHS Equity for Children)

Int J Epidemiol 43:1438-1449. Manitoba Centre for Health Policy, Winnipeg, MB, Canada The PATHS Data Resource is a unique database comprising data that follow individuals […]

Incidence of severe hypoglycaemic episodes in patients with type 2 diabetes in the Basque country: impact on healthcare costs

BMC Health Serv Res 15:207. Basque Institute for Healthcare Innovation, Barakaldo, Spain; Osakidetza, Basque Health Service, Erandio, Spain; University of Deusto, Bilbao, Spain BACKGROUND: Hypoglycaemia […]

Variability in potentially preventable hospitalisations: an observational study of clinical practice patterns of general practitioners and care outcomes in the Basque Country (Spain)

BMJ Open 5:e007360. Osakidetza Basque Health Service, Erandio, Bizkaia, Spain; University of Deusto, Bilbao, Spain OBJECTIVES: To explain the variability in the frequency of potentially […]

Outcomes among patients discharged from the emergency department with a diagnosis of peripheral vertigo

Ann Neurol 79:32-41. University of Toronto, Toronto, ON, Canada; Sunnybrook Health Sciences Centre, Toronot, ON, Canada; Institute of Health Policy, Management and Evaluation at the […]

Evaluation of an innovative program to improve outcomes among military beneficiaries with diabetes

Nurs Econ 33:271-280. University of Texas at Tyler, Tyler, TX, USA; Texas A&M University Health Science Center, Bryan, TX, USA Patients with Type 2 Diabetes […]

Health administrative data can be used to define a shared care typology for people with HIV

J Clin Epidemiol 68:1301-1311. Bruyère Research Institute, Ottawa, ON, Canada; University of Ottawa, Ottawa, ON, Canada; Institute for Clinical Evaluative Sciences, Ottawa, ON, Canada; Ottawa […]

Trends in relative survival in patients with a diagnosis of hepatocellular carcinoma in Ontario: a population-based retrospective cohort study

CMAJ Open 3:E208-E216. University of Toronto, Toronto, ON, Canada; Ontario Institute for Cancer Research/Cancer Care Ontario, Toronto, ON, Canada; Institute for Clinical Evaluative Sciences, Toronto, […]

Prevalence and costs of chronicity and multimorbidity in the population covered by the Basque public telecare service

An Sist Sanit Navar 36:429-339, Published in Spanish. Centro de Salud Astrabudua, Erandio, Spain BACKGROUND: The public telecare service in the Basque Autonomous Community (betiON) […]

Medication, diagnostic, and cost information as predictors of high-risk patients in need of care management

Am J Manag Care 15:41-48. Department of Pediatrics, Children’s Hospital of Philadelphia, Philadelphia, PA, USA OBJECTIVE: To contrast the advantages and limitations of using medication, […]

Preventive screening of women who use complementary and alternative medicine providers

J Womens Health 18:1133-1143. Department of Health Services, School of Public Health and Community Medicine, University of Washington, Seattle, WA, USA BACKGROUND: Many women use […]

Explaining prescription drug use and expenditures using the Adjusted Clinical Groups case-mix system in the population of British Columbia, Canada

Med Care 48:402-408. Centre for Health Services and Policy Research, University of British Columbia, School of Population and Public Health, Vancouver, BC, Canada BACKGROUND: Given […]

Methods of reducing the financial risk of physicians under capitation

Arch Fam Med 8:149-155. Johns Hopkins Center for Hospital Finance and Management, Baltimore, MD, USA. In today’s rapidly changing medical marketplace, managed care plans are […]

Use of well-child visits in high-deductible health plans

Am J Manag Care 16:833-840. Center for Child Health Care Studies, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, […]

Health information services technologies

J Ambul Care Manage 19:90-97. ISYS Group, Des Moines, IA, USA Increasing demands for provider profiling have led to the growth of health information services […]

Quantifying morbidities by Adjusted Clinical Group System for a Taiwan population: a nationwide analysis

BMC Health Serv Res 8:153. Department of Medical Affairs and Planning, Taipei Veterans General Hospital, Taipei City, Taiwan, ROC BACKGROUND: The Adjusted Clinical Group (ACG) […]

Case selection for a Medicaid chronic care management program

Health Care Financ Rev 30:61-74. Center for Health Policy and Research, University of Massachusetts Medical School, Shrewsbury, MA, USA Medicaid agencies are beginning to turn […]

Johns Hopkins Ambulatory Care Groups (ACGs). A case-mix system for UR, QA and capitation adjustment

HMO Pract 6:13-19. Johns Hopkins University, Baltimore, MD, USA This paper describes a new ambulatory case-mix system developed at The Johns Hopkins University and known […]

Impact of comorbidities on stroke rehabilitation outcomes: does the method matter?

Arch Phys Med Rehabil 89:1903-1906. Center for Health Quality, Outcomes and Economic Research, Bedford VA Hospital, Bedford, MA, USA OBJECTIVES: To examine the impact of […]

Pay for performance: an excellent idea that simply needs implementation

Qual Manag Health Care 14:31-44. 3M Health Information Systems, Wallingford, CT, USA Pay for performance cannot consist of a one-size-fits-all approach. Variation in quality and […]

Comparative study at 4 health centres of efficiency, measured on the basis of Ambulatory Care Groups

Aten Primaria 38:275-282. Published in Spanish. Badalona Serveis Assistencials, Badalona (Barcelona), España OBJECTIVE: To measure efficiency in the use of resources for the care lists […]

Do Adjusted Clinical Groups eliminate incentives for HMOs to avoid substance abusers? Evidence from the Maryland Medicaid HealthChoice program

J Behav Health Serv Res 30:63-77. UCLA Department of Medicine, Division of General Internal Medicine & Health Services Research, Los Angeles, CA, USA The adequacy […]

Cholecystostomy: a bridge to hospital discharge but not delayed cholecystectomy

J Trauma Acute Care Surg 74:175-179; discussion 179-80. Li Ka Shing Knowledge Institute, St Michael’s Hospital, Toronto, ON, Canada BACKGROUND: Current data on the clinical […]

Primary care safety-net delivery sites in the United States: A comparison of community health centers, hospital outpatient departments, and physicians’ offices

JAMA 284:2077-2083. Department of Health Policy and Management, Johns Hopkins School of Public Health, Baltimore, MD, USA CONTEXT: The US primary care safety net is […]

Psychiatric illness and subsequent traumatic brain injury: a case control study

J Neurol Neurosurg Psychiatry 72:615-620. Department of Psychiatry, University of Washington, Seattle, WA, USA OBJECTIVE: To determine whether psychiatric illness is a risk factor for […]

Population-based medical and disease management: an evaluation of cost and quality

Dis Manag 9:45-55. UMHS Medical Management Center, University of Michigan, Ann Arbor, MI, USA Reports by the Institute of Medicine and the Health Care Financing […]

Regression tree boosting to adjust health care cost predictions for diagnostic mix

Health Serv Res 43:755-772. Healthcare Management and Statistical Consulting, 4303 Stanford Street, Chevy Chase, MD, USA OBJECTIVE: To assess the ability of regression tree boosting […]

The contribution of longitudinal comorbidity measurements to survival analysis

Med Care 47:813-821. Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA, USA BACKGROUND: Many clinical and health services research studies are […]

Income inequities in end-of-life health care spending in British Columbia, Canada: A cross-sectional analysis, 2004-2006

Int J Equity Health 10:12. Centre for Health Services and Policy Research, University of British Columbia, Vancouver BC, Canada BACKGROUND: This study aimed to measure […]

Selection bias explains apparent differential mortality between dialysis modalities

Selection bias explains apparent differential mortality between dialysis modalities. J Am Soc Nephrol 22:1534-1542. University of Calgary, Calgary, AB, Canada The relative risk of death […]

Measuring data reliability for preventive services in electronic medical records

BMC Health Serv Res 12:116. Department of Family and Community Medicine, University of Toronto, Toronto, ON, Canada BACKGROUND: Improvements in the quality of health care […]

Influence of chronic co-morbidity on health costs

Med Clin (Barc) 138:179-180. Published in Spanish. Dirección de Planificación, Badalona Serveis Assistencials, Barcelona, Spain Launched in 1943, Medicina Clínica is a fortnightly journal aimed […]

Comparing measures of multimorbidity to predict outcomes in primary care: a cross sectional study

Fam Pract 30:172-178. Academic Unit of Primary Care, School of Social and Community Medicine, University of Bristol, Bristol, UK BACKGROUND: An increasing proportion of people […]

Productivity and patient satisfaction in primary care — conflicting or compatible goals?

Health Policy 111:157-165. Lund University School of Economics and Management, Lund, Sweden Following recent reforms in Swedish primary care, providers are accountable to both citizens […]

Metformin use and all-cause and prostate cancer-specific mortality among men with diabetes

J Clin Oncol 31:3069-3075. Princess Margaret Hospital, University Health, Toronto, ON, Canada PURPOSE: To evaluate the association between cumulative duration of metformin use after prostate […]

Hospitalizations and emergency department use in Mayo Clinic Biobank participants within the employee and community health medical home

Mayo Clin Proc 88:963-969. Division of Primary Care Internal Medicine, Department of Medicine, Mayo Clinic, Rochester, MN, USA OBJECTIVE: To evaluate the participants in the […]

A model based on age, sex, and morbidity to explain variation in UK general practice prescribing: cohort study

BMJ 337:a238. Department of Statistical Science, University College London, London, UK OBJECTIVE: To examine whether patient level morbidity based measure of clinical case mix explains […]

Can gender difference in prescription drug use be explained by gender-related morbidity? A study on a Swedish population during 2006

BMC Public Health 14:329. Department of Clinical Sciences in Malmö, Center for Primary Health Care Research, Lund University, Malmö, Sweden BACKGROUND: It has been reported […]

Long-term care benefits may reduce end-of-life medical care costs

Popul Health Manag Univita , Natick, MA, USA This study explores whether personal care services for functionally dependent or cognitively impaired individuals paid for by […]

Chapter 4: Effects of multimorbidity on healthcare resource use

In: Mercer SW, Salisbury C, Fortin M, ed. ABC of multimorbidity. Chichester, UK: Wiley:12-16. Haifa University, Haifa, Israel; Johns Hopkins University, Baltimore, MD, USA OVERVIEW […]

ACG-modell kan forutsaga vilka som blir hogkonsumenter av sjukvard

Lakartidningen: Published in Swedish. Health Department, Area Monitoring and Analysis , VästraGotaland, Sweden We describe a method, which uses already existent administrative data to identify […]

Understanding geographic variation in health care costs in British Columbia

Vancouver, BC, Canada: University of British Columbia (doctoral dissertation). University of British Columbia, Vancouver, BC, Canada Amidst concerns about escalating health spending, examining variation in […]

Strategies for assessing health plan performance on chronic diseases: selecting performance indicators and applying health-based risk adjustment

Hamilton, NJ, USA: Center for Health Care Strategies. University of Maryland, Baltimore County, and Johns Hopkins Bloomberg School of Public Health, USA As Medicaid managed […]

Burden of illness in defined populations

Stockholm, Sweden: Karolinska Institute. Karolinska Institute, Stockholm, Sweden This thesis addresses possibilities of describing the burden of illness in a population by elucidating morbidity and […]

Risk assessment of military populations to predict health care cost and utilization

Final report prepared for Center for Health Care Management Studies. RTI Project No. 08490.006. Washington, DC, USA: RTI International and Boston University School of Medicine. […]

The development and testing of risk adjusters using Medicare inpatient and ambulatory data

Final report for Health Care Financing Administration contract 93-026/EE. Falls Church, VA, USA: Lewin Group. Lewin Group, Falls Church, VA, USA The Health Care Financing […]

The Adjusted Clinical Group (ACG) reporting framework

Reporting Framework Subcommittee of the Steering Committee of the Minnesota ACG Users Group. St. Paul, MN, USA: Minnesota ACG Users Group. Minnesota ACG Users Group, […]

Minimal-burden risk adjusters for the Medicare risk program

Medical College of Virginia Associated Physicians, Mathematica Policy Research. Report prepared for the Health Care Financing Review (HCFA Contract No. 17C-90366/3/01). Washington, DC, USA: Mathematica […]

Application of patient safety indicators in Manitoba: a first look.

Winnipeg, MB, Canada: Manitoba Centre for Health Policy. Manitoba Centre for Health Policy, Winnipeg, MB, Canada Although there has always been an interest in patient […]

Analysis of practice variation due to payment methods across health insurance schemes

Khon Kaen, Thailand: Khon Kaen University. There are three public insurance schemes, the non-contributory Civil Servant Medical Benefit  Scheme (CS) for government employees, pensioners and […]

Risk adjustment in a European primary care context: assessing the properties of Adjusted Clinical Groups (ACG) for predictive modeling, for special populations and using ATC pharmacy codes

Baltimore, MD, USA: Johns Hopkins University (doctoral dissertation). Risk adjustment has become an essential tool in modern health services research and management. Specifically, it can […]

Comprehensive care coordination for chronically ill adults

Chapter 5: Intervention components. In: Schraeder C, Shelton PS, ed. Chichester, UK: Wiley-Blackwell:87-126. Care coordination seeks to bridge the gap between the needs of people […]

The association between usual health care utilization and stage at diagnosis in laryngeal cancer

Kingston, ON, Canada: Queen’s University (masters thesis). Queen’s University, Kingston, ON, Canada BACKGROUND: A significant number of laryngeal cancer patients are diagnosed with advanced-stage disease. […]

Adverse selection and inertia in health insurance markets: when nudging hurts

Am Econ Rev 103:2643-2682. University of California, Berkeley, CA, USA This paper investigates consumer inertia in health insurance markets, where adverse selection is a potential […]

Physician-level variation in practice patterns in the VA healthcare system

Health Serv Outcomes Res Methodology 3:95-106. Houston Center for Quality of Care and Utilization Studies, Veterans Affairs Medical Center, Houston, TX, USA; Baylor College of […]

Improve Patient Coordination Through Care Management

Coordinating care and sharing clinical information across the continuum of care has been shown to improve health care outcomes and health care delivery efficiencies. The […]

The Discovery Health experience with the ACG System in South Africa

Discovery Health The Discovery Health experience with the ACG System in South Africa Dr. Dianne Walker

Association between Continuity of Care and Avoidable Hospitalization in Taiwan

Veteran General Hospital – Taipei Continuity of Care and Its Association to Avoidable Hospitalizations of Taiwan’s Veterans: A Preliminary Study Ping Tao, RN., MHA

Wednesday-Closing-Weiner

Johns Hopkins ACG System Future Directions and Opportunities in the Predictive Modeling and Risk Adjustment Fields: The Next 20 Years of the ACG System Jonathon […]

Tuesday-Management implications-Reams

Brown & Toland Physicians Using Risk Adjustment to Measure Access to Primary Care Kam Reams, MPhil, MPH Manager, Performance Improvement

Monday-Leveraging pharmacy data-Bodycombe

Johns Hopkins ACG System Expanded Horizons for Pharmacy Gap Analysis David Bodycombe

The development path for the ACG System

ACG System Johns Hopkins Bloomberg School of Public Health ACG v11 Introduction to New Tools for Understanding and Managing Population Health Stephen Sutch

Tuesday(C7)-Use of Adjusted Clinical Groups (ACGs) in implementing Chronic Disease Management Programs: preliminary experiences in north- eastern Italy

Use of Adjusted Clinical Groups (ACGs) in implementing Chronic Disease Management Programs: preliminary experiences in north- eastern Italy —Pietro Gallina, Carlo Rampazzo, Stefania Elvini, Domenico […]

Monday(C2)-Quality of Care in Multimorbid Patients-Shadmi

Quality of Care in Multimorbid Patients Efrat Shadmi, PhD, Ran D. Balicer, MD, MPH, PhD

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Use of Johns Hopkins ACG System in the UK to Support Case Finding Similarities to the US Health Care System

What are the challenges facing health care in the UK? Are these similar or different to the challenges faced by the health care organizations in […]

Comparing Population-based Risk-stratification Model Performance Using Demographic, Diagnosis and Medication Data Extracted From Outpatient Electronic Health Records Versus Administrative Claims.

Department of Health Policy and Management, Johns Hopkins School of Public Health, Center for Population Health Information Technology, Baltimore, MD HealthPartners, Health Informatics Division, Bloomington, […]

Uptake of the Periodic Health Exam Among Adults With Intellectual and Developmental Disabilities from 2003 to 2015

Background: Over the past decade, annual heath exams have been de-emphasized for the general population but emphasized for adults with intellectual and developmental disabilities (IDD). […]

Assessing the Impact of Body Mass Index Information on the Performance of Risk Adjustment Models in Predicting Health Care Costs and Utilization

Abstract BACKGROUND: Using electronic health records (EHRs) for population risk stratification has gained attention in recent years. Compared with insurance claims, EHRs offer novel data […]

Days at Home in the Last 6 Months of Life: A Patient-Determined Quality Indicator for Cancer Care

ABSTRACT   PURPOSE: Quality end-of-life care (EoLC) is a key aspect of oncology. Days at home in the last 6 months of life represents a […]

Population Health Management Exploiting Machine Learning Algorithms to Identify High-Risk Patients

Abstract Population aging and the increase of chronic conditions incidence and prevalence produce a higher risk of hospitalization or death. This is particularly high for […]