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Physician referral rates: style without much substance?

Med Care 38:836-846. Department of Family Medicine, University of Rochester, New York, NY, USA BACKGROUND: Primary care physicians (PCPs) exhibit widely varying referral rates, resulting […]

Constructing ”behavioral” comparison groups: a difference-in-difference analysis of the effect of copayment based on the patient’s price elasticity

Eval Health Prof 37:434-456. National Kaohsiung First University of Science and Technology, Kaohsiung, Taiwan It is well known that the differences-in-differences (DD) estimator is based […]

Revisiting the economic efficiencies of observation units

Manag Care 24:46-52. University of Texas, Houston, TX, USA; Michael E. DeBakey Veterans Affairs Medical Center HSR&D, Houston, TX, USA; Baylor College of Medicine, Houston, […]

Profiling resource use: do different outcomes affect assessments of provider efficiency?

Am J Manag Care 8:1105-1115. Center for Health Quality, Outcomes and Economic Research, Bedford Veterans Affairs Medical Center, Bedford, MA, USA OBJECTIVES: To examine whether […]

The case for case-mix adjustment in practice profiling. When good apples look bad

JAMA 272:871-874. Harvard Community Health Plan, Brookline, MA, USA OBJECTIVE: To assess the influence of patient characteristics on practice profiling. Using the example of specialty […]

The patient-centered medical home and associations with health care quality and utilization: a 5-year cohort study

Ann Intern Med 164:395-405. Weill Cornell Medical College, New York, NY, USA BACKGROUND: Effects of the patient-centered medical home (PCMH) are unclear. Previous studies had […]

Association between electronic health records and health care utilization

Appl Clin Inform 6:42-55. Weill Cornell Medical College, New York, NY, USA BACKGROUND: The federal government is investing approximately $20 billion in electronic health records […]

Indication for pharmacological treatment is often lacking: a cross-sectional study on the quality of drug therapy among the elderly

BMC Geriatr 15:117. Lund University, Malmö, Sweden; Stanford University School of Medicine, Stanford, CA, USA; University of Southern Denmark, Odense C, Denmark BACKGROUND: Although the […]

Infliximab in ulcerative colitis: the impact of preoperative treatment on rates of colectomy and prescribing practices in the province of British Columbia, Canada

Dis Colon Rectum 57:83-90. University of British Columbia, Vancouver, BC, Canada BACKGROUND: Approximately 20% of patients with ulcerative colitis will require surgical treatment. Recent data […]

Effect of practice variation on resource utilization in infants hospitalized for viral lower respiratory illness.

Pediatrics 108:851-855. University of Virginia Children’s Medical Center, Charlottesville, Virginia, USA OBJECTIVE: Hospital care for children with viral lower respiratory illness (VLRI) is highly variable, […]

Benefits and pitfalls in applying the experience of prepaid group practices to the U.S. physician supply

Health Aff W4:73-75. Center for Health Workforce Studies, School of Public Health, University at Albany, State University of New York, Rensselaer, NY, USA The paper […]

Does a diagnosis of schizophrenia reduce rates of mammography screening? A Manitoba population-based study

Schizophr Res 113:95-100. Department of Psychiatry, University of Manitoba, CancerCare Manitoba, Winnipeg, MB, Canada It is estimated that mammography screening can reduce mortality from breast […]

Using multiple data features improved the validity of osteoporosis case ascertainment from administrative databases.

J Clin Epidemiol 61:1250-1260. Manitoba Centre for Health Policy, University of Manitoba, Winnipeg, MB, Canada OBJECTIVES: The aim was to construct and validate algorithms for […]

Risk adjustment in health insurance exchanges for individuals with mental illness

Am J Psychiatry 169:704-709. Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA OBJECTIVE: In 2014, an estimated […]

Prevalence of health problems and primary care physicians’ specialty referral decisions

J Fam Pract 50:427-432. Health Services Research and Development Center, Department of Health Policy and Management, Johns Hopkins School of Hygiene and Public Health, Baltimore, […]

Early dropout from psychotherapy for depression with group- and network-model therapists

Adm Policy Ment Health 39:440-447. Group Health Research Institute, Seattle, WA, USA Administrative data were used to examine early dropout among 16,451 health plan members […]

Using the Johns Hopkins Aggregated Diagnosis Groups (ADGs) to predict mortality in a population-based cohort of adults with schizophrenia in Ontario, Canada

Psychiatry Res 196:32-37. Institute for Clinical Evaluative Sciences, University of Toronto, Toronto, ON, Canad Administrative health care databases are increasingly used for health services and […]

Multimorbidity patterns in primary care: interactions among chronic diseases using factor analysis

PLoS One 7:e32190. IIS Aragón, Aragón Health Sciences Institute, Miguel Servet University Hospital, University of Zaragoza, Zaragoza, Spain OBJECTIVES: The primary objective of this study […]

The effect of capitation on switching primary care physicians

Health Serv Res 38:191-209. University of Rochester School of Medicine and Dentistry, Department of Community and Preventive Medicine, Rochester, NY, USA OBJECTIVE: To examine the […]

How well do Ambulatory Care Groups predict expenditures on mental health and substance abuse patients?

Adm Policy Ment Health 24:339-357. Department of Health Care Policy, Harvard Medical School, Boston, MA, USA This paper evaluates the ability of Ambulatory Care Groups […]

Stratification of the population in the Basque Country: results in the first year of implementation

Aten Primaria 45:54-60. Published in Spanish. Instituto Vasco de Innovación Sanitaria, Sondika, Bizkaia, Spain Predictive models allow populations to be stratified according to their health […]

Triumph of hope over experience: learning from interventions to reduce avoidable hospital admissions identified through an Academic Health and Social Care Network

BMC Health Serv Res 12:153. Department of Health Care Management and Policy, University of Surrey, Guildford, UK BACKGROUND: Internationally health services are facing increasing demands […]

Comorbidity-based payment methodology for Medicaid enrollees with HIV/AIDS

Health Care Financ Rev 23:53-68. Center for Health Program Development and Management, University of Maryland Baltimore County, Baltimore, MD, USA Managed care organizations (MCOs) may […]

Monitoring the prevalence of chronic conditions: which data should we use?

BMC Health Serv Res 12:365. Osakidetza, Basque Health Service, C/ Alava n° 45, Vitoria-Gazteiz, Spain BACKGROUND: Chronic diseases are an increasing threat to people’s health […]

Effect of patient socioeconomic status on physician profiles for prevention, disease management, and diagnostic testing costs

Med Care 40:717-724. Department of Family and Community Medicine, University of California School of Medicine, Davis, CA, USA BACKGROUND: Previous research shows patient socioeconomic status […]

Medical and pharmacy expenditures after implementation of a cyclooxygenase-2 inhibitor prior authorization program

Pharmacotherapy 25:924-934. Medical and Pharmacy Integration Services, Prime Therapeutics, LLC, Eagan, MN, USA STUDY OBJECTIVE: To evaluate the effects of a cyclooxygenase (COX)-2 inhibitor prior […]

The MMPI-2: a contemporary normative study of midwestern family medicine outpatients

J Clin Psychol Med Settings 15:98-119. Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, USA For more than 60 years it has been known […]

Relationships between physical activity and perceived qualities of life in old age

Results of the SNAC study. Aging Ment Health 13:1-8. School of Social Science, Vaxjo University, Vaxjo, Sweden OBJECTIVES: The aim of the present study was […]

Impact of morbidity, resource use and costs on maintenance of remission of major depression in Spain: a longitudinal study in a population setting

Gac Sanit 24:13-19. Published in Spanish. Dirección de Planificación, Badalona Serveis Assistencials S.A., Badalona, Barcelona, Spain OBJECTIVE: To determinate the impact of comorbidity, resource use […]

A population-based study of the association between socioeconomic status and emergency department utilization in Ontario, Canada

Acad Emerg Med 18:836-843. Division of Emergency Medicine, Department of Medicine, Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada OBJECTIVES: The […]

Complementary and alternative medicine provider use and expenditures by cancer treatment phase

Am J Manag Care 14:326-334. Department of Health Services, School of Public Health and Community Medicine, University of Washington, Seattle, WA, USA OBJECTIVE: To assess […]

A comparison of health care use for physician-referred and self-referred episodes of outpatient physical therapy

Health Serv Res 47:633-654. Center for Public Health Statistics, University of Iowa, Iowa City, IA, USA OBJECTIVE: To compare patient profiles and health care use […]

A population-based description of atrial fibrillation in the emergency department, 2002 to 2010

Ann Emerg Med 62:570-577. Institute for Clinical Evaluative Sciences, Toronto, ON, Canada; Division of Emergency Medicine, Department of Medicine, University of Toronto, Toronto, ON, Canada; […]

Preeclampsia as a risk factor for diabetes: a population-based cohort study

PLoS Med 10:e1001425. Department of Medicine, University of Toronto, Toronto, ON, Canada BACKGROUND: Women with preeclampsia (PEC) and gestational hypertension (GH) exhibit insulin resistance during […]

Vaccine effectiveness against laboratory-confirmed influenza hospitalizations among elderly adults during the 2010-2011 season

Clin Infect Dis 57:820-827. Institute for Clinical Evaluative Sciences, Toronto, ON, Canada BACKGROUND: Although annual influenza immunization is recommended for adults aged ≥65 years due […]

Morbidity and costs associated to neurological disorders

Neurologia 28:126-129. Directorate of Planning, Badalona Serveis Assistencials SA, Badalona, Spain La presencia de múltiples enfermedades es frecuente en edades avanzadas, y diferentes estudios poblacionales […]

Pneumococcal vaccine targeting strategy for older adults: Customized risk profiling

Vaccine 32:990-995. Clalit Research Institute, Tel Aviv, Israel BACKGROUND: Current pneumococcal vaccine campaigns take a broad, primarily age-based approach to immunization targeting, overlooking many clinical […]

Prevalence and costs of multimorbidity by deprivation levels in the Basque country: a population based study using health administrative databases

PLoS One 9:e89787. Basque Health Service, Erandio, Bizkaia, Spain; Basque Institute for Healthcare Innovation, Sondika, Bizkaia, Spain; Universidad Complutense de Madrid, Madrid, Spain; Australian National […]

A qualitative study on clinicians’ perceptions about the implementation of a population risk stratification tool in primary care practice of the Basque Health Service

BMC Fam Pract 15:150. Basque Institute for Healthcare Innovation, Bizkaia, Spain BACKGROUND: A prospective Population Risk Stratification (PRS) tool was first introduced in the public […]

Adjusted Clinical Groups Method (ACG) to allocate resources according to the disease burden of each health center

Santelices C E, Muñoz P F, Muñiz P, Rojas J. BACKGROUND: Health care must be provided with strong primary health care models, emphasizing prevention and a […]

Efficiency assessment of primary care providers: a conditional nonparametric approach

Eur J Operational Res 240:235-244. Universidad de Extremadura, Badajoz, Spain; Basque Institute for Healthcare Innovation, Sondika, Spain; Osakidetza, Basque Health Service, Erandio, Spain This paper […]

The Ontario MedsCheck Diabetes pharmacist medication review service: a descriptive analysis of service recipients between 2010-2014 using administrative claims data

Canadian Association for Population Therapeutics Conference, November 2015, Toronto, ON, Canada. A MedsCheck Diabetes (MCD) consultation is a pharmacist-led medication review service funded by the […]

Population-level costs and resource utilization of homecare for persons with Alzheimer’s disease

J Popul Ther Clin Pharmacol 21:pe120. Background: The aging population in Ontario is accompanied by an increased incidence and prevalence of Alzheimer’s disease (AD). Given […]

Working well – the Texas demonstration to maintain independence and employment: 18-month outcomes

Journal of Vocational Rehabilitation 34:97-106. Addiction Research Institute, Center for Social Work Research, University of Texas at Austin, Austin, TX, USA Uninsured working adults with […]

Chronic conditions and co-morbidity among residents of British Columbia

Centre for Health Services and Policy Research, University of British Columbia. Centre for Health Services and Policy Research, University of British Columbia, Vancouver, BC, Canada […]

Using health research in policy and practice: case studies from nine countries

New York, NY, USA: Academy Health/Milbank Memorial Fund. Academy Health/Milbank Memorial Fund, New York, NY, USA As the move toward an evidence-based approach to health […]

Description, behavior, use and methodology used to measure case mix in our primary health care system: the Ambulatory Care Groups (ACGs)

Barcelona, Spain: Fundacio Salut, Empresa i Economia. Published in Spanish. Fundacio Salut, Empresa i Economia, Barcelona, Spain No abstract

Analysing performance of primary health care using the ACG case-mix system

Malmo, Sweden: Lund University (doctoral dissertation). Lund University, Malmo, Sweden The overall aim of this thesis was to analyse the importance of co-morbidity level for […]

The epidemiology and outcomes of critical illness in Manitoba

Winnipeg, MB, Canada: Manitoba Centre for Health Policy. Manitoba Centre for Health Policy, Winnipeg, MB, Canada This report was conducted at the Manitoba Centre for […]

Addition of pharmacy cost data improves performance of the Adjusted Clinical Groups predictive model for total health care costs overall and within disease specific groups

Value in Health 7:371. AdvancePCS, Hunt Valley, MD, USA OBJECTIVE: To determine the effect of adding the pharmacy cost data option to the Adjusted Clinical […]

Burden of morbidity in a patient perspective – the case of sick-leave certified patients in primary care

BMC Public Health 9:157. Data on morbidity in Sweden are based on numbers of diagnoses, classified by the WHO system, the International Statistical Classification of […]

Using risk adjustment approaches in child welfare performance measurement: applications and insights from health and mental health settings

Child Youth Serv Rev 32:103-112. Washington University in St. Louis, St. Louis, MO, USA Federal policymaking in the last decade has dramatically expanded performance measurement […]

Predicting the financial risks of seriously ill patients

Sacramento, CA, USA: California Health Care Foundation. In this paper, a Medical Productivity Index (MPI) is proposed as such a metric to capture the value […]

Empirical studies in the economics of health insurance, health, and fertility

Princeton, NJ, USA: Princeton University (doctoral dissertation) Princeton University, Princeton, NJ, USA This thesis is a collection of essays in the economics of health insurance, […]

A simple but efficient approach to the analysis of multilevel data

Health Economics Papers 2013:6. Odense, Denmark: University of Southern Denmark. University of Southern Denmark, Odense, Denmark Much research in health economics revolves around the analysis […]

Adjusted clinical groups: a patient classification system through risk adjustment

Rev Peru Med Exp Salud Publica 30:308-314. Published in Spanish. Directorate of Planning, Badalona Serveis Assistencials SA, Badalona, Spain Adjusted Clinical Groups (ACG) are risk […]

High-Risk Case Identification for Use in Comprehensive Complex Care Management

 High-Risk Case Identification for Use in Comprehensive Complex Care ManagementBecause patients with multiple chronic conditions require proactive, coordinated care management to effectively manage numerous health […]

Population Health Management through Care Coordination and Interventions

Population health management at JHHC represents a comprehensive approach to health care considering the distribution of health outcomes within a population, and the health determinants […]

Casemix and Quality

Hospital Authority Casemix and Quality – Are they rivals or partners? Dr. K.H. Lee

Tuesday-Managing hospitalization risk-Terry and Oberg

Dovetail Managing Hospitalization Risk: Refining Patient Selection in a Care Transitions Program Lara Terry, MD. Jeff Oberg

Monday-US Health Reform-Abrams

Johns Hopkins ACG System Using ACGs to Support Risk Adjusted Premiums within the Health Insurance Exchange Chad Abrams

Monday-Advances in modeling risk-Thibodeau

Medica Leveraging the John Hopkins ACG Tool to Support Total Cost of Care Contracts Peter M. Thibodeau

Implementing the ACG risk within NHS

NHS Airedale, Bradford & Leeds Cluster Information Services Implementing the ACG risk of hospitalization model with NHS data: experiences from Leeds Dr Thomas Mason MA., […]

Using Predictive Modeling to Identify Readmission Risk

Johns Hopkins Bloomberg School of Public Health Using Predictive Modeling to Identify Readmission Risk K. Lemke

Monday(C3)-Geographically Identifying Expanded Diagnosis Clusters in the Hispanic/Latino Population —Thomas Ludden

Geographically Identifying Expanded Diagnosis Clusters in the Hispanic/Latino Population  —Thomas Ludden, Carolinas Healthcare System  

Wednesday(C9)-Swinging from a new tee – towards ‘The Extended Epidemiology’ by analysing the outcome from ACG processing in a County Council in Sweden

Swinging from a new tee – towards ‘The Extended Epidemiology’ by analysing the outcome from ACG processing in a County Council in Sweden —Ulf Börjesson, […]

Care Density: Amy Salls, DST Health Solutions

ACG System DST Health Solutions Care Density Amy Salls

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The ACG System as a Common Language

Chad Abrams, Director of U.S. Operations, ACG System; describes common challenges around the world such as language differences, data quality, turning data into impact, and […]

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Segmentation Case Study

Slough Clinical Commissioning Group (CCG), which covers a population of 143,000 in the UK, used the Johns Hopkins ACG System to conduct a population health analysis that generated several new insights. After just 18 months, unplanned hospitalizations were reduced by 18% and emergency department visits were reduced by 19%.

High-Density Lipoprotein Cholesterol and Cause-Specific Mortality in Individuals Without Previous Cardiovascular Conditions

BACKGROUND The prognostic importance of high-density lipoprotein cholesterol (HDL-C) as a specific risk factor for cardiovascular (CV) disease has been challenged by recent clinical trials […]

Case Study: Johns Hopkins Community Health Partnership: A model for transformation

Abstract To address the challenging health care needs of the population served by an urban academic medical center, we developed the Johns Hopkins Community Health […]

Evidence on multimorbidity from definition to intervention: An overview of systematic reviews

Abstract The increasing challenge of multiple chronic diseases (multimorbidity) requires more evidence-based knowledge and effective practice. In order to better understand the existing evidence on […]

Parenchymal hyperdensity on C-arm CT images after endovascular therapy for acute ischaemic stroke predicts a poor prognosis

ABSTRACT   AIM To investigate whether hyperdense areas (HDAs) observed after endovascular treatment on multisection computed tomography (CT) are related to outcome. MATERIALS AND METHODS Data on […]

Emergency Department Use: Common Presenting Issues and Continuity of Care for Individuals With and Without Intellectual and Developmental Disabilities

Abstract This population-based cohort study examined the relationship between level of continuity of primary care and subsequent emergency department (ED) visits for adults with (n = 66,484) […]

Prediction Accuracy With Electronic Medical Records Versus Administrative Claims

Abstract Objective:  The objective of this study was to evaluate the incremental predictive power of electronic medical record (EMR) data, relative to the information available […]

Population segmentation based on healthcare needs: a systematic review

Abstract Background Healthcare needs-based population segmentation is a promising approach for enabling the development and evaluation of integrated healthcare service models that meet healthcare needs. […]

Incidence of Hospitalizations and Emergency Department Visits for Herpes Zoster in Immunocompromised and Immunocompetent Adults in Ontario, Canada, 2002-2016

Abstract BACKGROUND Immunocompromised adults are at increased risk of herpes zoster (HZ) infection and related complications. We aimed to assess the incidence of hospital-attended HZ […]

Association Between Dysphagia and Inpatient Outcomes Across Frailty Level Among Patients ≥ 50 Years of Age

Abstract Frail patients may have heightened risk of dysphagia, a potentially modifiable health factor. Our aim is to examine whether the relationship between dysphagia and […]

Multimorbidity as a predictor of health service utilization in primary care: a registry-based study of the Catalan population

Abstract Background Multimorbidity is highly relevant for both service commissioning and clinical decision-making. Optimization of variables assessing multimorbidity in order to enhance chronic care management […]

Looking across health and healthcare outcomes for people with intellectual and developmental disabilities and psychiatric disorders: population-based longitudinal study

Abstract Background Intellectual and developmental disabilities (IDDs) and psychiatric disorders frequently co-occur. Although each has been associated with negative outcomes, their combined effect has rarely […]

Trends in prevalence of chronic disease and multimorbidity in Ontario, Canada

Abstract BACKGROUND New case-mix tools from the Canadian Institute for Health Information offer a novel way of exploring the prevalence of chronic disease and multimorbidity […]

Assessing the Population-Level Correlation of Medication Regimen Complexity and Adherence Indices Using Electronic Health Records and Insurance Claims

Abstract BACKGROUND Nonadherence to medication regimens can lead to adverse health care outcomes and increasing costs. OBJECTIVES To (a) assess the level of medication complexity […]

Direct cost of Parkinson’s disease in a health system with high judicialization: evidence from Colombia

Abstract Objective To estimate all-claims-all-conditions expenditures paid for by health plans for patients suffering from Parkinson´s disease (PD). Methods Using administrative claims data from two […]

Partial nephrectomy in frail patients: Benefits of robot-assisted surgery

Abstract Background To compare the effect of robot-assisted (RAPN) vs. open (OPN) partial nephrectomy on short-term postoperative outcomes and total hospital charges in frail patients […]

Controller Medication Use and Exacerbations for Children and Adults With Asthma in High-Deductible Health Plans

Abstract Importance High-deductible health plans (HDHPs) are increasingly common and associated with decreased medication use in some adult populations. How children are affected is less […]

How long does it take patients to find a new primary care physician when theirs retires: a population-based, longitudinal study

Abstract Background The retirement of a family physician can represent a challenge in accessibility and continuity of care for patients. In this population-based, longitudinal cohort […]

High prevalence of comorbidities at diagnosis in immigrants with multiple sclerosis

Abstract Background Multiple sclerosis (MS) has been associated with certain comorbidities in general population studies, but it is unknown how comorbidity may affect immigrants with […]

Primary Care Continuity andWait Times to Receiving Breast Cancer Chemotherapy: A Population-Based Retrospective Cohort Study Using CanIMPACT Data

Abstract Background Wait times to chemotherapy are associated with morbidity and mortality in breast cancer patients; however, it is unclear how primary care physician (PCP) continuity […]

Small steps, strong shield: directly measured, moderate physical activity in 65 361 adults is associated with significant protective effects from severe COVID-19 outcomes

Abstract Objective To determine the association between directly measured physical activity and hospitalisation, intensive care unit (ICU) admission, ventilation and mortality rates in patients with […]

Matching Special Olympics registration data with administrative health databases: Feasibility and health status differences in children and youth with IDD

Abstract Background Children and youth with intellectual and developmental disabilities (IDD) experience health disparities. What is unknown is if data collected from children and youth […]

Association Between Frailty, 30-day Unplanned Readmission and Mortality After Hospitalization for Heart Failure: Results From the Nationwide Readmissions Database

Abstract Objectives: This study examined how frailty in traditional risk-adjusted models could improve the predictability of unplanned 30-day readmission and mortality among heart failure patients. […]

Medicare telehealth utilization by Rural Health Clinics and Federally Qualified Health Centers prior to and during the COVID-19 pandemic

Abstract Purpose To address the extent to which Federally Qualified Health Centers (FQHCs) and independent and provider-based Rural Health Clinics (RHCs) were using telehealth prior […]

Risk Stratification Methods, Use Cases, and Lessons Learned

To deliver on the promise of high-quality, value-based care for our patients in the context of workforce shortages and an aging population, risk stratification is […]

Improving Prediction of Risk of Admission to Long-Term Care or Mortality Among Home Care Users With IDD

ABSTRACT Background Frailty is an established predictor of admission into long-term care (LTC) and mortality in the elderly population. Assessment of frailty among adults with […]

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Identifying High-Risk Medicare Advantage Enrollees

Early identification of high-risk members provides the opportunity to manage the complex needs of this population. After one month in the plan, more than 50% […]

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Case Mix Adjustment in Practice

In this webinar, builds upon the introduction to the concept of case mix in the previous webinar and will share how case mix adjustment can […]

Improving the quality of outpatient care for older patients with diabetes: lessons from a comparison of rural and urban communities

J Fam Pract 50:676-680. University of Washington, Department of Family Medicine, Seattle, WA, USA OBJECTIVE: Our goal was to compare the quality of diabetic care […]

Why do physicians vary so widely in their referral rates?

J Gen Intern Med 15:163-168. Department of Family Medicine, University of Rochester, Rochester, NY, USA OBJECTIVE: To determine which physician practice and psychological factors contribute […]

Assessing population health care need using a claims-based ACG morbidity measure: a validation analysis in the province of Manitoba

Health Serv Res 37:1345-1364. Centre for Health Services and Policy Research, University of British Columbia, Vancouver, BC, Canada OBJECTIVES: To assess the ability of an […]