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Case mix measures for ambulatory care

J Public Health Med 13:189-197. University of Newcastle upon Tyne, School of Health Care Sciences, Medical School, Newcastle, UK Resource management in Ambulatory Care is […]

Performance of diagnosis-based risk adjustment measures in a population of sick Australians

Aust N Z J Public Health 26:500-507. Faculty of Health Sciences, School of Public Health, La Trobe University, Victoria, Australia OBJECTIVE: Australia is beginning to […]

Morbidity profiles at three primary care clinics in Perlis, Malaysia

Med J Malaysia 67:363-368. Ministry of Health, Kangar Health Clinic, Jalan Kolam, Kangar, Perlis, Malaysia Allocation of funding within the Ministry of Health of Malaysia […]

Healthcare utilization in patients with Parkinson’s disease: a population-based analysis

Parkinsonism Relat Disord 18:930-935. Movement Disorder Clinic, 200 Woodlawn Street, Winnipeg, MB, Canada PURPOSE: To investigate factors associated with healthcare utilization and prescription drug use […]

Referral of children to specialists in the United States and the United Kingdom

Arch Pediatr Adolesc Med 157:279-285. Department of Health Policy and Management, Health Services Research and Development Center, Bloomberg School of Public Health, Johns Hopkins University, […]

Is quality free? The relationship between cost and quality across 18 provider groups

Am J Manag Care 8:413-422. HealthPartners Research Foundation, Minneapolis, MN, USA OBJECTIVE: To learn whether the healthcare costs for patients of various care delivery systems […]

A patient classification system for our primary care: the Ambulatory Care Groups (ACGs)

Gac Sanit 11:83-94. Published in Spanish. Unitat d’Investigació Centre del Institut Catalá de la Salut, Barcelona, Spain OBJECTIVES: The ambulatory care groups (ACGs) were developed […]

Influence of morbidity, metabolic control, and use of resources in subjects with cardiovascular risk in the primary care setting

Aten Primaria 40:447-454. Published in Spanish. Dirección de Planificación y Desarrollo Organizativo. Badalona Serveis Assistencials S.A. Badalona. Barcelona. España OBJECTIVE: To determine the comorbidity, the […]

Complexity and continuity of treatments among privately insured youth diagnosed with bipolar disorder

Front Psychiatry 1:144. Health Services and Population Research Department, Institute of Psychiatry, King’s College London, London, UK OBJECTIVES: To examine longitudinal patterns of complexity, continuity, […]

Cognitive and behavioral outcomes after early exposure to anesthesia and surgery

Pediatrics 128:e1053-e1061. Erratum in: Pediatrics. 2012 Mar;129(3):595. Department of Anesthesiology, College of Medicine, Mayo Clinic, Rochester, MN, USA BACKGROUND: Annually, millions of children are exposed […]

Use and costs of medical care for children and adolescents with and without attention-deficit/hyperactivity disorder

JAMA 285:60-66. Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA CONTEXT: A shortage of data exists on medical care use by persons with […]

Use of other opioids during methadone therapy: a population-based study

Addiction 107:776-780. Institute for Clinical Evaluative Sciences, Toronto, ON, Canada AIMS: To determine the extent to which other opioids are prescribed to patients receiving methadone […]

Adaptive capacity of the Adjusted Clinical Groups Case-Mix System to the cost of primary healthcare in Catalonia (Spain): a observational study

BMJ Open 2:2012-000941. Directorate of Planning, Badalona Serveis Assistencials SA, Badalona, Barcelona, Spain OBJECTIVES: To describe the adaptive capacity of the Adjusted Clinical Groups (ACG) […]

Estimating diabetes prevalence in the Military Health System population from 2006 to 2010

Mil Med 178:986-993. Healthcare Informatics Division, United States Air Force Medical Support Agency, San Antonio, TX, USA Evidence-based articles have demonstrated an increase in diabetes […]

Glycemic control associated with secure patient-provider messaging within a shared electronic medical record: a longitudinal analysis

Diabetes Care 36:2726-2733. University of Washington School of Public Health, Seattle, WA, USA; Harvard School of Public Health, Boston, MA, USA; Group Health Research Institute, […]

Direct health-care costs attributed to hip fractures among seniors: a matched cohort study

Osteoporos Int 24:659-669. Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, Canada SUMMARY: Using a matched cohort design, we estimated the mean direct […]

Predictors of dislocation and revision after shoulder stabilization in Ontario, Canada, from 2003 to 2008

Am J Sports Med 41:2034-2040. University of Toronto Orthopaedic Sports Medicine, Women’s College Hospital, Toronto, ON, Canada BACKGROUND: Factors contributing to recurrent dislocation, revision stabilization, […]

Estimating Demand for Care After a Medicaid Expansion: Lessons From Oregon

J Ambul Care Manage. Kaiser Permanente Northwest Center for Health Research, Portland, OR; Oregon Health and Science University, Portland, OR, USA To estimate how the […]

Characteristics of adult primary care patients as predictors of future health services charges

Med Care 39:1170-1181. Department of Community and Family Medicine, Duke University Medical Center, Durham, NC, USA BACKGROUND: Utilization risk assessment is potentially useful for allocation […]

The patient-centered medical home, electronic health records, and quality of care

Ann Intern Med 160:741-749. Weill Cornell Medical College, New York, NY, USA BACKGROUND: The patient-centered medical home (PCMH) model of primary care is being implemented […]

Relationship between pain and quality of life – findings from the Swedish National Study on Aging and Care – Blekinge study

Scand J Pain 5:270-275. Blekinge Institute of Technology, Karlskrona, Sweden; Lund University, Lund, Sweden; Linnaeus University, Växjö, Sweden BACKGROUND AND AIMS: The influence of pain […]

MEDS-AD Waiver (MTM) Program final report

Prepared for Florida Medicaid. Tallahassee, FL, USA: College of Medicine, Florida State University. Florida State University, Tallahassee, FL, USA This report summarizes the final findings […]

Change in functional outcomes during inpatient rehabilitation for patients with hypoxic-ischemic brain injury

Arch Phys Med Rehabil 96:e18. Toronto Rehabilitation Institute, Toronto, ON, Canada Objective(s): To investigate determinants of change in functional outcomes during inpatient rehabilitation (IR) among […]

Performance of an ambulatory case-mix measurement in primary care in Spain: Ambulatory Care Groups (ACGs)

Eur J Public Health 9:27-35. Unitat d’Investigació Centre del Institut Catalá de la Salut, Barcelona, Spain BACKGROUND: Patient classification systems based on the defining of […]

ACG use in Veterans Administration in Taiwan: final report

Taipei, Taiwan: Veterans General Hospital Taipei. Published in Chinese. Department of Medical Affairs and Planning, Taipei Veterans General Hospital, Taipei City, Taiwan, ROC The goal […]

Sex differences in health status, health care use and quality of care: a population-based analysis for Manitoba’s regional health authorities

Winnipeg, MB, Canada: Manitoba Centre for Health Policy. Manitoba Centre for Health Policy, Department of Community Health Sciences, Faculty of Medicine, University of Manitoba, Winnipeg, […]

A comparison of alternative approaches to risk measurement

Final report, grant number 93-G07, Physician Payment Review Commission. Minneapolis, MN, USA: Park Nicollet Medical Foundation. Park Nicollet Medical Foundation, Minneapolis, MN, USA Under health […]

ACGs: ambulatory care groupings for case-mix categorization

Final report for grant #HS05505, National Center for Health Care Research/Health Care Technology Assessment. Baltimore, MD, USA: Johns Hopkins University. Johns Hopkins University, Baltimore, MD, […]

CYDL Project One summary report: experiences of Albertan youth 2008/2009

Child and Youth Data Laboratory. Edmonton, AB, Canada: Centre for Child, Family and Community Research. Site also has videos of presentations of report data. Centre […]

A study of population needs-based funding applied to health care and physician services in British Colulmbia

Vancouver, BC, Canada: University of British Columbia (masters thesis). University of British Columbia, Vancouver, BC, Canada The BC Ministry of Health has developed a Population […]

Evaluation of the Medicaid Value Program: health supports for consumers with chronic conditions

Hamilton, NJ, USA: Center for Health Care Strategies. Center for Health Care Strategies, Hamilton, NJ, USA The Center for Health Care Strategies’ (CHCS) Medicaid Value […]

Chapter 5: Antihypertensive adherence and drug class among Asian Pacific Americans

In: Bateman WB – Abesamis-Mendoza J – Ho-Asjoe H – ed. Praeger handbook of Asian-American health: taking notice and taking action. Santa Barbara CA USA: […]

Adherence with lipid-lowering, antihypertensive, and diabetes medications

Am J Pharm Benefits 3:165-171. Hawaii Medical Service Association, Honolulu, HI, USA OBJECTIVES: To investigate the combinations of medications patients were taking, the study examined […]

Adaptation of the categories Johns-Hopkins ACG Case-Mix System in primary healthcare: a longitudinal, retrospective claim database study

WebmedCentral ECONOMICS OF MEDICINE 2:WMC001657. Directorate of Planning, Badalona Serveis Assistencials SA, Badalona, Spain BACKGROUND: To determine the adaptation capacitating of categories case-mix adjustment (Adjusted […]

Comparing the costs and use of services in TRICARE Prime with employer sponsored insurance

Orlando, FL, USA: AcademyHealth Annual Research Meeting. NORC at the University of Chicago, Bethesda, MD, USA RESEARCH OBJECTIVE: The objectives are: to compare the cost […]

The trend of prevalence of multimorbidity and needs of out-patient health care services in rural and urban areas in Klaipeda region

Health Sci 23:173-178. Published in Lithuanian. The aim of the study: to evaluate multimorbidity dynamics, and needs of out-patient health care services in rural and […]

Predicting the Cost of Health Care Services

Abstract   Background: Case-mix systems and comorbidity indices aggregate clinical information about patients over time and are used to characterize need for health care services. […]

Data Validation

DST Health Solutions Data Validation Sokchay Chiv

Monday(C1)-Persistent High Users Characteristics and Identification-Chang

Persistent High Users Characteristics and Identification-Hsien-Yen Chang PhD 

Monday(P4)-The association between expenditures and quality in type 2 diabetes mellitus care

The association between expenditures and quality in type 2 diabetes mellitus care  Troels Kristensena, Msc, PhD, Kim Rose-Olsena, Msc, PhD  Charlotte Ejersted, MD., PhD  Anders […]

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Research and publications utilizing the ACG System

Chris Forrest, MD, PhD, Professor of Pediatrics and Health Care Management, University of Pennsylvania and Children’s Hospital of Philadelphia, and ACG System co-developer discusses how […]

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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 […]

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 […]

Prevalence and predictors of potentially inappropriate prescribing using codified STOPP-START and Beers criteria: a retrospective cohort study in Ontario’s older population

Abstract Objectives To quantify potentially inappropriate prescribing (PIP) and assess the association between patient characteristics and PIP using previously coded STOPP-START and Beers criteria in […]

Patterns of Telehealth Use Across the Cancer Care Continuum and Assessment of Patient and Geographic Factors Associated With Key Healthcare Outcomes: Retrospective Study

Abstract Background: Although the use of telehealth has declined since the pandemic, it remains a popular mode of care delivery across the cancer care continuum. […]

COVID-19 immunisation among individuals with opioid use disorder in Ontario: a population-based cohort study

Abstract Background The COVID-19 pandemic exacerbated health inequities, particularly among individuals with opioid use disorder (OUD). Disparities in vaccine uptake among people with OUD remain […]

Association between COVID-19 vaccination and sudden death in apparently healthy younger individuals: A population-based case-control study

Abstract Background COVID-19 vaccines can cause rare but serious adverse events such as myocarditis and immune thrombocytopenia. Despite a lack of strong evidence, concerns have […]

Opioid Use During Pregnancy among Individuals with Disabilities

ABSTRACT Introduction To investigate (1) prevalence and time trends in opioid use during pregnancy and (2) patterns of opioid use before and during pregnancy, among […]

Clinical and sociodemographic characteristics of limited and persistent uveitis cases: a population-based study

Abstract Objective To compare the clinical and sociodemographic characteristics of limited and persistent uveitis cases and temporal trends in incidence in Ontario. Methods A retrospective […]

Abstract Introduction: We aimed to compare the effectiveness of methadone and sublingual buprenorphine/naloxone and their association with treatment discontinuation using real-world data from Ontario, Canada. […]

Multimorbidity and Hospital Admissions in High-Need, High-Cost Elderly Patients

Abstract Objective: The aim was to clarify which pairs or clusters of diseases predict the hospital-related events and death in a population of patients with complex […]

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Predictive Modeling Part II

This webinar is a follow up to the previous Predictive Modeling Part I webinar, which provides an overview of the predictive models available within in the […]

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Population Segmentation

Presented by: Sarah Kachur
Director, Population Health R&D, JHHC Business Lead, Pop. Health Precision Medicine

This webinar explores how applying risk taxonomy to a Medicare Advantage population helped a health plan improve their identification of high-risk members.

Sitagliptin use in patients with diabetes and heart failure: a population-based retrospective cohort study

JACC Heart Fail. University of Alberta, Edmonton, AB, Canada OBJECTIVES: The study objective was to evaluate the effects of sitagliptin in patients with type 2 […]

The roles of primary care PAs and NPs caring for older adults with diabetes

JAAPA 27:45-49. Duke University School of Medicine, Durham, NC; VetUnerans Affairs Pittsburgh Healthcare System and University of Pittsburgh School of Pharmacy, Pittsburgh, PA; University of […]

Is use of fall risk-increasing drugs in an elderly population associated with an increased risk of hip fracture, after adjustment for multimorbidity level: a cohort study

BMC Geriatr 14:131. Department of Patient Safety, Blekinge County Council, Karlskrona, Sweden BACKGROUND: Risk factors for hip fracture are well studied because of the negative […]

How do immigrants use primary health care services? A register-based study in Norway

Eur J Public Health 25:72-78. University of Bergen, Norway; Carlos III Health Institute, Madrid, Spain; Aragón Health Sciences Institute (IACS), Zaragoza, Spain; University of Zaragoza, […]

Applying a risk-adjustment framework to primary care: can we improve on existing measures?

Ann Fam Med 1:44-51. Center for Health Quality, Outcomes and Economic Research, VAMC, Bedford, MA, USA Outcome-based performance measurement and prospective payment are common features […]

Analysis of the influence of the process of care in primary health care on avoidable hospitalizations for heart failure

Aten Primaria 48:102-109. Published in Spanish. Hospital Universitario Infanta Sofía, Madrid, España; Unidad Docente Multiprofesional de Atención Familiar y Comunitaria; Madrid, España; Unidad Sistemas de […]

Multimorbidity and its patterns according to immigrant origin. A nationwide register-based study in Norway

PLoS One 10:e0145233. University of Bergen, Bergen, Norway; Norwegian Centre for Minority Health Research, Oslo, Norway; Aragón Health Sciences Institute (IACS), Zaragoza, Spain; Carlos III […]

Impact of language barriers on complications and mortality among immigrants with diabetes: a population-based cohort study

Diabetes Care 38:189-196. University Health Network, Toronto, ON, Canada; Mount Sinai Hospital, Toronto, ON, Canada; Institute for Clinical Evaluative Sciences, Toronto, ON, Canada; St. Michael’s […]

Association between age, gender and multimorbidity level and receiving home health care: a population-based Swedish study

BMC Res Notes 8:714. Lyckeby Primary Healthcare Centre and Blekinge Centre of Competence, Lyckeby, Sweden; University of Southern Denmark, Odense, Denmark BACKGROUND: Home health care […]

Comparing accuracy of risk-adjustment methodologies used in economic profiling of physicians

Inquiry 41:218-231. Department of Health Management and Policy, School of Public Health, University of Michigan, USA This paper examines the relative accuracy of risk-adjustment methodologies […]

Use of a shared medical record with secure messaging by older patients with diabetes

Diabetes Care 33:2314-2319. Department of Medicine, University of Washington, Seattle, WA, USA OBJECTIVE: Evaluate use of a web-based shared medical record (SMR) between older patients […]

Do we need more physicians?

Health Aff W4:67-69. Center for the Evaluative Clinical Sciences, Dartmouth Medical School, Hanover, NH, USA A reexamination of physician productivity can resolve the current workforce […]

Impact of discontinuity in health insurance on resource utilization

BMC Health Serv Res 10:195. Division of Health Care Policy & Research, Mayo Clinic, Rochester, MN, US BACKGROUND: This study sought to describe the incidence […]

Comparing apples with apples in clinical populations: applications of the Adjusted Clinical Group system in British Columbia

Healthc Manage Forum 15:11-16. Department of Healthcare and Epidemiology, University of British Columbia, Vancouver, BC, Canada This article reviews the Adjusted Clinical Group Case-Mix System […]

Comparison of alternative risk adjustment measures for predictive modeling: high risk patient case finding using Taiwan’s National Health Insurance claims

BMC Health Serv Res 10:343. Department of Health Policy & Management, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA BACKGROUND: Predictive modeling […]

Evaluation of prescriber responses to pharmacist recommendations communicated by fax in a medication therapy management program (MTMP)

J Manag Care Pharm 17:345-354. Center for Health Outcomes and PharmacoEconomic Research, University of Arizona, Tucson, AZ, USA BACKGROUND: As defined by the Medicare Prescription […]

Morbidity trajectories as predictors of utilization: multi-year disease patterns in Taiwan’s national health insurance program

Med Care 49:918-923. Department of Health Policy and Management, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA BACKGROUND: Little is known about […]