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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 Management Because patients with multiple chronic conditions require proactive, coordinated care management to effectively manage […]

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

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 […]

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%.

Association of Suicidality and Depression With 5α-Reductase Inhibitors

IMPORTANCE There have been concerns raised by patients and regulatory agencies regarding serious psychiatric adverse effects associated with 5α-reductase inhibitors. OBJECTIVE To determine if there […]

Estimates and predictors of health care costs of esophageal adenocarcinoma: a population-based cohort study

Background Esophageal adenocarcinoma (EAC) incidence is increasing rapidly. Esophageal cancer has the second lowest 5-year survival rate of people diagnosed with cancer in Canada. Given […]

Equilibria in Health Exchanges: Adverse Selection versus Reclassification Risk

Abstract This paper studies regulated health insurance markets known as exchanges, motivated by the increasingly important role they play in both public and private insurance […]

Impact of stratification on the effectiveness of a comprehensive patient‐centered strategy for multimorbid patients

Abstract Objective The objective of this work was to assess the effectiveness of a population‐level patient‐centered intervention for multimorbid patients based on risk stratification for […]

Physician procedure volume and related adverse events after surgically induced abortion: a population-based cohort study

Abstract   BACKGROUND Induced abortion is a common procedure performed by physicians with varying degrees of clinical experience. We aimed to determine whether a physician’s […]

A comparison of population segmentation methods

Abstract This paper presents the first comparison of descriptive segmentation methods for population health management. The aim of descriptive segmentation is to identify heterogeneous segments […]

Determinants of vaccination uptake, and influenza vaccine effectiveness in preventing deaths and hospital admissions in the elderly population; Treviso, Italy, 2014/2015-2016/2017 seasons

ABSTRACT Seasonal influenza is an important cause of morbidity and mortality, particularly among the elderly population. Determinants of vaccination uptake and its impact on health […]

Colonoscopy resource availability and its association with the colorectal cancer diagnostic interval: A population-based cross-sectional study

Abstract BACKGROUND Colonoscopy is a key resource used to diagnose colorectal cancer (CRC). This study evaluated the relationship between colonoscopy availability and the length of […]

A systematic review of case-mix models for home health care payment: Making sense of variation

Abstract Background Case-mix based payment of health care services offers potential to contain expenditure growth and simultaneously support needs-based care provision. However, limited evidence exists […]

Assessing guideline-concordant care for patients with multimorbidity treated in a care management setting

Abstract   Background Disease-specific guidelines are not aligned with multimorbidity care complexity. Meeting all guideline-recommended care for multimorbid patients has been estimated but not demonstrated […]

Factors associated with waiting time to breast cancer diagnosis among symptomatic breast cancer patients: a population-based study from Ontario, Canada

Abstract Purpose A prolonged time from first presentation to cancer diagnosis has been associated with worse disease-related outcomes. This study evaluated potential determinants of a […]

Assessment of the Adjusted Clinical Groups system in Dutch primary care using electronic health records: a retrospective cross-sectional study

Abstract Background Within the Dutch health care system the focus is shifting from a disease oriented approach to a more population based approach. Since every […]

Association of perioperative red blood cell transfusions with all-cause and cancer-specific death in patients undergoing surgery for gastrointestinal cancer: Long-term outcomes from a population-based cohort

Abstract Background Red blood cell transfusions are common in patients undergoing gastrointestinal cancer surgery. Yet, to adequately balance their risks and benefits, clinicians must understand […]

Incidence of Access to Ambulatory Mental Health Care Prior to a Psychiatric Emergency Department Visit Among Adults in Ontario, 2010-2018

Abstract Importance Psychiatric emergency department (ED) visits may be avoidable if individuals have access to adequate outpatient care, but the extent to which individuals use […]

Healthcare utilization in patients with higher-risk MDS/low-blast count AML treated with azacitidine in the ‘real-world’

Abstract Background Despite the adoption of azacitidine (AZA) in higher-risk MDS/low-blast count AML, limited ‘real-world’ data on resource utilization and toxicity exist. Methods We linked […]

Association between Dysphagia and Surgical Outcomes across the Continuum of Frailty

Abstract Objective This study examined the relationship between dysphagia and adverse outcomes across frailty conditions among surgical patients ≥50 years of age. Methods A retrospective cohort […]

Allopurinol adherence, persistence and patterns of use in individuals with diabetes and gout: A retrospective, population-based cohort analysis

Abstract Objective There has been growing interest in the potential role for allopurinol to reduce cardiovascular events in people with diabetes. While adherence to allopurinol is poor […]

Multimorbidity Patterns in the General Population: Results from the EpiChron Cohort Study

Abstract Objective The correct management of patients with multimorbidity remains one of the main challenges for healthcare systems worldwide. In this study, we analyze the […]

Assessing the Value of Unsupervised Clustering in Predicting Persistent High Health Care Utilizers: Retrospective Analysis of Insurance Claims Data

Abstract Background A high proportion of health care services are persistently utilized by a small subpopulation of patients. To improve clinical outcomes while reducing costs […]

Impact of a high-risk multimorbidity integrated care implemented at the public health system in Chile

Abstract During recent years, multimorbidity has taken relevance because of the impact of causes in the system, people, and their families, which has been a […]

A bias evaluation checklist for predictive models and its pilot application for 30-day hospital readmission models

Abstract Objective Health care providers increasingly rely upon predictive algorithms when making important treatment decisions, however, evidence indicates that these tools can lead to inequitable […]

Latent Class Analysis of Social Needs in Medicaid Population and Its Impact on Risk Adjustment Models

Abstract Background: A growing number of US states are implementing programs to address the social needs (SNs) of their Medicaid populations through managed care contracts. […]

Differences in use of telemedicine integrated into traditional primary health care – a comparative observational study

Abstract Telemedicine in primary health care is expected to address many of the issues currently challenging service delivery. However, the impact and effect will depend […]

Risk Stratification with only EHR Data – White Paper

Risk stratification models have traditionally used medical and pharmacy claims data combined with other sources, such as electronic health records (EHRs).  But provider organizations often […]

Reducing Emergency Department Use

People usually go to the Emergency Department (ED) when they are experiencing a medical emergency. But some people choose the ED for non-urgent care, which […]

Case Mix Measurement

This webinar provides an introduction to the principle of case mix and the constructs within the ACG System that make this possible. This session is a […]

Applications of the ACG System in the UK

This white paper provides an overview of the ACG System and how it is being used to support a range of clinical and commissioning activities […]

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 effects of complications and comorbidities on the quality of preventive diabetes care: a literature review

Popul Health Manag 11:217-218. Mathematica Policy Research, Washington, DC, USA Although concurrent conditions such as complications and comorbidities are common in people with diabetes, both […]

Cost of arterial hypertension according to levels of morbidity in primary care setting

Med Clin (Barc) 133:290-295. Published in Spanish. Dirección de Planificación, Badalona Serveis Assistencials SA, Badalona, Barcelona, España BACKGROUND AND OBJECTIVE: To determine the health care […]

Case study: the Minneapolis Buyers Health Care Action Group

Inquiry 35:171-177. Health Research Center, Institute for Research and Education, Health System Minnesota, Minneapolis, MN, USA Managed care plans are a type of health insurance. They […]

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