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Documents

Documents

Implementing a model for risk distribution among competing health plans

Final report. Princeton, NJ, USA: Robert Wood Johnson Foundation.

Health-based capitation risk adjustment in Minnesota public health care programs

Health Care Financ Rev 26:21-41. Gregory A. Gifford and Kevan R. Edwards are with the Minnesota Department of Health. David J. Knutson is with the […]

Facilitating equity and efficiency in Malaysian primary health care through the application of the ACG® case mix system

BMC Health Serv Res 9(Suppl 1):A7. Ministry of Health, Malaysia     Introduction: Malaysian health care is a parallel system with both public and private sectors. […]

Socioeconomic status and the use of medicines in the Ontario Public Drug Program

Canadian Public Policy 37:563-576. University of Toronto, Toronto, ON, Canada Residents of Ontario aged 65 years and older are covered by a provincially funded prescription […]

El analisis de la morbilidad y comorbilidad como instrumento para facilitar la gestion clinical y organizacion de los servicios en atencion primaria

SEMG 139:441-448. Published in Spanish. Gerencia de Atencion Primaria del Area de Salud de Tenerife, Spain No abstract

Coût de l’ordonnance des médecins généralistes: une analyse sur les données de l’EPPM

Economie Publique :239-269. Published in French. Ministère des Affaires sociales et de la Santé, Paris, France Cet article examine de manière critique la possibilité de  […]

The 2013 RHA indicators atlas

Winnipeg, MB, Canada: Manitoba Centre for Health Policy. Manitoba Centre for Health Policy, Winnipeg, MB, Canada The results in this report show clearly that the […]

Paying for primary care: the factors associated with physician self-selection into payment models

Working paper no. 2014-06. Toronto, ON, Canada: Canadian Centre for Health Economics. Canadian Centre for Health Economics, Toronto, ON, Canada In this paper we use […]

Introduction and Applications of the ACG System on Veteran in Taiwan

Taipei Veterans General Hospital Introduction and Applications of the ACG System on Veteran Population in Taiwan Dr. Wui-Chiang Lee, MD, PhD. CEO, Taiwan Joint Commission on […]

Tuesday-Utilization-Freund

University Hospital Heidelberg Modelling care sensitivity using ACG® systems – Insights from a German cohort study Tobias Freund, MD.

Monday-Keynote II-Kinder

Johns Hopkins ACG System Looking Back, Looking Forward: Celebrating the ACG System’s 20 Year Role in Improving Health Care Karen Kinder Jonathan Weiner

Benefits for South Central

NHS – South Central Primary Care Trust Alliance Benefits from the ACG System in South Central Alan Thompson, Programme Manager

A comprehensive care management programme focused on emerging and high risk individuals

Medscheme High and Emerging Risk Population Management London Symposium on Case Mix Risk Stratification to Support Integrated Care

Tuesday(C7)-Use of ACG System for Health Plan Collaboration with Primary Care Practices to Reduce Inpatient Admissions —Melissa Sherry

Use of ACG System for Health Plan Collaboration with Primary Care Practices to Reduce Inpatient Admissions  —Melissa Sherry

Monday(C5)-Application of ACGs in an Israeli Health care System-Primary Care Utilization Bands-Shadmi

Application of ACGs in an Israeli Health care System: Primary Care Utilization Bands Local calibration of ACGs to account  for the burden primary care physicians […]

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Leveraging Care Density: A New Way to Measure and Enhance Care Coordination

If optimizing quality of care, clinical outcomes and cost effectiveness is one of your priorities, ensuring your patient population receives comprehensive, coordinated care from their […]

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Video: ACG System Overview

Interested in learning more?View the ACG System Overview    

Apples and Oranges: Four Definitions of Multiple Chronic Conditions and their Relationship to 30-Day Hospital Readmission

OBJECTIVES: To determine the extent of agreement between four commonly used definitions of multiple chronic conditions (MCCs) and compare each definition’s ability to predict 30-day […]

Are we making a difference in primary care for adults with intellectual and developmental disabilities?

Abstract Objectives. To examine the impact of the dissemination of guidelines to physicians and of a population-level health communication intervention on the percentage of adults […]

Supplement to “Equilibria in Health Exchanges: Adverse Selection versus Reclassification Risk”

This online appendix has three sections.  The first presents details of the choice model estimation algorithm, as well as additional estimates from our primary specification […]

Repeat Emergency Department Visits for Individuals With Intellectual and Developmental Disabilities and Psychiatric Disorders

Abstract Although individuals with intellectual and developmental disabilities (IDD) and psychiatric concerns are more likely than others to visit hospital emergency departments (EDs), the frequency […]

Integrating Social and Behavioral Determinants of Health into Population Health Analytics: A Conceptual Framework and Suggested Road Map

Abstract There is growing recognition that social and behavioral risk factors impact population health outcomes. Interventions that target these risk factors can improve health outcomes. […]

Frailty, Implantable Cardioverter Defibrillators, and Mortality: a Systematic Review

Abstract   Background Evidence for the benefit of implantable cardioverter defibrillators (ICD) in preventing sudden cardiac death (SCD) in older adults is mixed; age alone […]

Impact of care provider network characteristics on patient outcomes: Usage of social network analysis and a multi-scale community detection

Abstract Objective We assess healthcare provider collaboration and the impact on patient outcomes using social network analysis, a multi-scale community detection algorithm, and generalized estimating […]

MS risk in immigrants in the McDonald era: A population-based study in Ontario, Canada

Abstract OBJECTIVE To determine risk factors for multiple sclerosis (MS) in immigrants and to compare MS risk in immigrants and long-term residents in Ontario, Canada. […]

Preoperative frailty predicts adverse short‐term postoperative outcomes in patients treated with radical nephroureterectomy

Abstract Background To investigate the effect of frailty on short‐term postoperative outcomes and total hospital charges (THCs) in patients with non‐metastatic upper urinary tract carcinoma, […]

Who is discharged to intermediate care facilities? An Italian study in the population of Udine

ABSTRACT The objective of this study was to assess complexity of patients discharged from hospital to intermediate care facility in an Italian setting. Multiple anonymous […]

Alive and at home: Five-year outcomes in older adults following emergency general surgery

Abstract BACKGROUND While the short-term risks of emergency general surgery (EGS) admission among older adults have been studied, little is known about long-term functional outcomes […]

Shorter Diagnosis-to-Treatment Interval in Diffuse Large B-Cell Lymphoma is Associated With Inferior Overall Survival in a Large, Population-Based Registry

Abstract Background Because of prolonged screening requirements, patient and time-dependent selection have been proposed as potential biases in clinical trials. The screening process may exclude […]

Association of Preexisting Disability With Severe Maternal Morbidity or Mortality in Ontario, Canada

Abstract Objective To determine the risk of severe maternal morbidity or mortality among women with a physical, sensory, or intellectual/developmental disability compared with women without […]

Integrating E-Prescribing and Pharmacy Claims Data for Predictive Modeling: Comparing Costs and Utilization of Health Plan Members Who Fill Their Initial Medications with Those Who Do Not

Abstract BACKGROUND Nonfilling of prescribed medications is a worldwide problem of serious concern. Studies of health care costs and utilization associated with medication nonadherence frequently […]

Delay of Pregnancy Among Physicians vs Nonphysicians

Abstract Importance Women physicians may delay childbearing and experience childlessness more often than nonphysicians, but existing knowledge is based largely on self-reported survey data. Objective […]

How different combinations of comorbidities affect healthcare use by elderly patients with obstructive lung disease

Abstract Objective Previous research had shown the number of comorbidities is a major factor influencing the burden of care for elderly patients with obstructive lung […]

Comparison of 4-Year Health Care Expenditures Associated With Roux-en-Y Gastric Bypass vs Sleeve Gastrectomy

Abstract Objective To compare 4-year health care expenditures after RYGB vs sleeve gastrectomy, identify factors independently associated with 4-year health care expenditures, and compare the […]

No Difference in Outcomes Between Short and Longer-Stay Total Joint Arthroplasty with a Discharge Home

Abstract Background: Outcomes following total hip arthroplasty (THA) and total knee arthroplasty (TKA) with a short length of hospital stay have been reported; however, most […]

Remote, proactive, telephone based management of toxicity in outpatients during adjuvant or neoadjuvant chemotherapy for early stage breast cancer: pragmatic, cluster randomised trial

Abstract Objective To evaluate the effectiveness of remote proactive management of toxicities during chemotherapy for early stage breast cancer. Design Pragmatic, cluster randomised trial. Setting […]

Case Study: The Distilling of a Biased Algorithmic Decision System through a Business Lens

Abstract Technological advances embedded within algorithmic decision systems are being deployed every day. Some of these investments are unquestionably worthwhile, while some others prioritize commercialization […]

The Effect of Depression on Paid Sick Leave due to Metabolic and Cardiovascular Disease in low-wage workers. (Depression and Sick Leave)

Abstract Background Colombia’s health system allows workers to claim paid sick leave due to health conditions, some of this conditions are related to metabolic and […]

Changing patterns of multimorbidity among patients with ambiguous diagnoses: The case of Myalgic Encephalomyelitis/Chronic Fatigue Syndrome

Abstract Introduction Increased attention has been given to multimorbidity. This phenomenon often has been explored through associations between diseases based on the frequency of combinations […]

Association of frailty with perioperative and survival outcomes in patients with gynecologic cancers: A population-based study

Abstract Objectives The relationship between frailty and both short- and long-term outcomes remains underexplored in gynecologic oncology (GO). We sought to evaluate the association of […]

Impact of frailty on outcomes after multiple rib fractures and flail chest undergoing surgical stabilization of rib fractures: a propensity score-matched analysis of the Nationwide Inpatient Sample 2005–2020

Abstract Background This study examined the impact of frailty on in-hospital outcomes in patients undergoing surgical stabilization of multiple rib fractures and flail chest (SSRF). […]

COVID-19 Vaccination, Hospitalization Rates, and Mortality Differ Between People with Diagnosed Immune Mediated Inflammatory Disease and the General Population: A Population-Based Study

Abstract Background: Vaccination reduces Coronavirus disease-19 (COVID-19) infection severity. We evaluated COVID-19 vaccine uptake and effectiveness in people with immune mediated inflammatory diseases (pIMIDs) versus […]

Machine learning identifies clusters of multimorbidity among decedents with inflammatory bowel disease

Abstract Background: Multimorbidity is the co-occurrence of two or more chronic conditions in one person. Providing quality, patient-centered care requires understanding multimorbidity. Our objective was […]

Trends in use of poly (ADP-ribose) polymerase inhibitor (PARPi) in ovarian cancer

Abstract Background To assess population-level trends in use of poly (ADP-ribose) polymerase inhibitors (PARPis) among ovarian cancer patients in the years following initial FDA approvals. […]

Factors Associated With the Receipt of Female Breast Cancer Treatment Among People Living With Intellectual or Developmental Disabilities: A Population-Based Retrospective Cohort Study

ABSTRACT Background People with intellectual or developmental disabilities (IDD) experience breast cancer care inequities relative to those without IDD. Identifying factors associated with receipt of […]

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 […]

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Supporting Commissioning Activities

The first part of this webinar will provide an introduction to the ACG System, the logic used within the software to determine morbidity patterns and […]

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Using the ACG System to support population health management in Baltimore city

Presented by: Melissa Sherry, MPH, CPH

Director, Population Health Innovation and Transformation, Johns Hopkins HealthCare

This webinar presents a case study of the use of the ACG System to address the needs of a high risk, low income population in Baltimore City.

Adjusted Clinical Groups as a risk assessment model for healthcare resource allocation

Rev Med Chil 142:153-160. Published in Spanish. Departamento de Desarrollo Estratégico, Ministerio de Salud. Santiago de Chile BACKGROUND: There is increasing interest in the study […]

Primary health care use from the perspective of gender and morbidity burden

BMC Womens Health 14:145. University of Zaragoza, Zaragoza, Spain; Aragon Health Sciences Institute, Zaragoza, Spain BACKGROUND: Sex and gender can interact to contribute to differences […]

Have we left some behind? Trends in socio-economic inequalities in breastfeeding initiation: a population-based epidemiological surveillance study

Can J Public Health 105:e362. Manitoba Centre for Health Policy, Winnipeg, MB, Canada OBJECTIVES: Breastfeeding is associated with improved health. Surveillance data show that breastfeeding […]

Comorbidity as a predictor of health services utilization and mortality in patients with diabetes

Gac Sanit 29:10-14. Published in Spanish. Universidad de Zaragoza, Zaragoza, España; Dirección General de Planificación y Aseguramiento, Zaragoza, España; Grupo de Investigación en Servicios Sanitarios […]

Patient sharing and quality of care: measuring outcomes of care coordination using claims data

Med Care 53:317-323. Johns Hopkins University, Baltimore, MD, USA BACKGROUND: With the goal of improving clinical efficiency and effectiveness, programs to enhance care coordination are […]

Children’s health care use in the Healthy Kids Program

Pediatrics 100:947-953. Department of Pediatrics, University of Florida, Gainsville, FL, USA BACKGROUND: In 1990, the Florida Legislature established the Florida Healthy Kids Corporation to implement […]

Effect of socioeconomic status on hepatocellular carcinoma incidence and stage at diagnosis, a population-based cohort study

Liver Int. University of Toronto, Toronto, ON, Canada; Cancer Care Ontario, Toronto, ON, Canada; University of British Columbia, Vancouver, BC, Canada; Ontario Institute for Cancer […]

Do pediatric patients who receive care across multiple health systems have higher levels of repeat testing?

Popul Health Manag. Intermountain Healthcare, Salt Lake City, UT, USA; University of Minnesota , Minneapolis, MN, USA; Children’s Hospitals and Clinics of Minnesota , Minneapolis, […]

Are family physicians comprehensively using electronic medical records such that the data can be used for secondary purposes?

A Canadian perspective. BMC Med Inform Decis Mak 15:67. Institute for Clinical Evaluative Sciences, Toronto, ON, Canada; University of Toronto, Toronto, ON, Canada; University Health […]

Relationship between efficiency and clinical effectiveness indicators in an adjusted model of resource consumption: a cross-sectional study

BMC Health Serv Res 13:421. Institut Universitari d’investigació en Atenció Primària Jordi Gol, Barcelona, Spain BACKGROUND: Adjusted clinical groups (ACG®) have been widely used to […]

Renewing primary care: lessons learned from the Spanish health care system

Health Aff 29:1432-1441. Department of Family Medicine at the Alpert Medical School, Brown University, in Providence, RI, USA From 1978 on, Spain rapidly expanded and […]

Risk adjustment alternatives in paying for behavioral health care under Medicaid

Health Serv Res 36:793-811. UCLA Department of Medicine, Los Angeles, CA, USA OBJECTIVE: To compare the performance of various risk adjustment models in behavioral health […]

The interaction of ethnicity and chronic disease as risk factors for osteoporotic fractures: a comparison in Canadian Aboriginals and non-Aboriginals

Osteoporos Int 17:1358-1368. Department of Medicine, University of Manitoba, Winnipeg, MB, Canada INTRODUCTION: Efforts to develop global methods for absolute fracture risk prediction are currently […]

The duration of ambulatory visits to physicians

J Fam Pract 48:264-271. Institute for Health Policy, Massachusetts General Hospital/Partners HealthCare System, Harvard Medical School, Boston, MA, USA BACKGROUND: The objective of our study […]

Factors related to frequent usage of the primary healthcare services in old age: findings from the Swedish National Study on Aging and Care

Health Soc Care Community 17:304-311. Växjö University, School of Social Sciences, Växjö, Sweden People aged 60 or more are the most frequent users of healthcare […]

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 […]