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The effect of complementary and alternative medicine claims on risk adjustment

Med Care 44:1078-1084. Department of Nursing, Boise State University, Boise, ID, USA OBJECTIVE: We sought to assess how the inclusion of claims from complementary and […]

Assessment of pharmacological strategies for management of major depressive disorder and their costs after an inadequate response to first-line antidepressant treatment in primary care

Ann Gen Psychiatry 11:22. AstraZeneca Medical Department, Madrid, Spain BACKGROUND: The aim of the study was to determine the most common treatment strategies and their […]

More data in health care will enable predictive modeling advances

Manag Care 22:39-41. Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA No abstract PMID: 23451538

Is patient satisfaction in primary care dependent on structural and organizational characteristics among providers? Findings based on data from the national patient survey in Sweden

Health Econ Policy Law 8:317-333. Lund University School of Economics and Management, Lund, Sweden In parallel to market-like reforms in Swedish primary care, the gathering […]

Association between metformin use and risk of prostate cancer and its grade 

J Natl Cancer Inst 105:1123-1131. Division of Urology, Department of Surgical Oncology, Princess Margaret Hospital, University Health Network, Toronto, ON, Canada BACKGROUND: Metformin is commonly […]

Inclusion of persons with mental illness in patient-centred medical homes: cross-sectional findings from Ontario, Canada

Open Med 7:e9-e20. Department of Family and Community Medicine, University of Toronto, Toronto, ON, Canada BACKGROUND: In Ontario, Canada, the patient-centred medical home is a […]

Comparative operative outcomes of early and delayed cholecystectomy for acute cholecystitis: a population-based propensity score analysis

Ann Surg 259:10-15. Sunnybrook Research Institute, Sunnybrook Health Sciences Center; Li Ka Shing Knowledge Institute, St Michael’s Hospital; and ‡Institute for Clinical Evaluative Sciences, Toronto, […]

Effects of dementia on postoperative outcomes of older adults with hip fractures: a population-based study

J Am Med Dir Assoc. Queen’s University, Kingston, ON, Canada; Institute for Clinical Evaluative Sciences, Queen’s University, Kingston, ON, Canada; Women’s College Hospital, Toronto, ON, […]

Adverse cardiac events in older patients receiving venlafaxine: a population-based study

J Clin Psychiatry 75:e552-e558. Sunnybrook Health Sciences Centre, Toronto, ON, Canada OBJECTIVE: Venlafaxine is a commonly prescribed antidepressant, but whether its noradrenergic effects impart increased […]

Federal disaster declarations and denials: analyzing spatial equity in the implementation of the Stafford Act

Tampa, FL, USA: University of South Florida (doctoral dissertation). University of South Florida, Tampa, FL, USA Federal disaster declarations are authorized by the president under […]

VG primarvard i for hallande till riksrevisionens rapport “primaryvardens styrning – efter behov eller efterfragan?”

Vanersborg, Sweden: Vastra Gotalandsregionen. Published in Swedish. Vastra Gotalandsregionen, Vanersborg, Sweden

Evaluation of the Maryland Multi-Payor Patient Centered Medical Home Program

Final report. Columbia, MD: IMPAQ International. IMPAQ International, Columbia, MD, USA; Johns Hopkins University, Baltimore, MD, USA; University of Maryland, Baltimore, MD, USA The Maryland […]

Hold it – my patients are sicker! The importance of case mix adjustment to practitioner profiles in British Columbia

British Columbia Med J 43:328-333. Ministry of Health and Ministry Responsible for Seniors, Province of British Columbia; UBC Centre for Health Services & Policy Research, […]

Optimal pricing of employment-based health plans

Minneapolis, MN, USA: University of Minnesota (doctoral dissertation). University of Minnesota, Minneapolis, MN, USA Employer-provided health insurance is a major component of the health care […]

Selection of Medicaid beneficiaries for chronic care management programs: overview and uses of predictive modeling

Shrewsbury, MA: Center for Health Policy and Research. Center for Health Policy and Research, University of Massachusetts Medical School, Shrewsbury, MA, USA Effective use of […]

ACGs: an ambulatory care case-mix measure. Health Quality section update

Center for Health Quality Outcomes and Economic Research. Bedford, MA, USA: CHQOER Quarterly, ENRM VA Hospital. Center for Health Quality Outcomes and Economic Research, Bedford, […]

Morbidity, service utilization and health spending in Montrealers aged 65 and older in 2005-2006: an application of the Johns Hopkins “Adjusted Clinical Group” system

Montreal, QC, Canada: Montreal Health and Social Services Agency. Published in French; also have English translation. Montreal Health and Social Services Agency, Montreal, QC, Canada […]

Risk adjustment and Medicare

New York, NY, USA: Commonwealth Fund. Division of Health Policy Research and Education, Harvard University, Boston, MA, USA Almost all observers agree in principle that […]

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    

Outcomes of patients with chronic obstructive pulmonary disease diagnosed with or without pulmonary function testing

Background: A small number of people with chronic obstructive pulmonary disease (COPD) receive pulmonary function testing around the time of diagnosis. Because omitting testing increases […]

Defining and Assessing Geriatric Risk Factors and Associated Health Care Utilization Among Older Adults Using Claims and Electronic Health Records

Abstract Background: Using electronic health records (EHRs), in addition to claims, to systematically identify patients with factors associated with adverse outcomes (geriatric risk) among older […]

A Canadian Population-Based Cohort to the Study Cost and Burden of Surgically Resected Hidradenitis Suppurativa

Abstract Background: Hidradenitis suppurativa (HS) is a chronic debilitating disease with long-lasting comorbidities that impose direct and indirect costs on the health care system. However, […]

Medicaid trends in prescription opioid and non-opioid use by HIV status

Abstract   Background Pain is more common among people living with HIV (PLWH) than their counterparts; however, it is unclear whether analgesic use differs by […]

Supporting general practice to make timely decisions for better health care: a population health approach

Abstract Primary Health Networks (PHNs) are tasked to enhance the efficiency and effectiveness of general practice. Gold Coast Primary Health Network (GCPHN) has been collecting […]

Is Post-discharge Rehabilitation Timing Associated with 90-Day Readmission in Primary Total Joint Arthroplasty?

Abstract Background Physical therapy (PT) is an accepted standard of care after total joint arthroplasty (TJA) and essential to maximizing joint functionality and minimizing complications […]

Prediction of 30-day pediatric unplanned hospitalizations using the Johns Hopkins Adjusted Clinical Groups risk adjustment system

Abstract Background The Johns Hopkins ACG System is widely used to predict patient healthcare service use and costs. Most applications have focused on adult populations. […]

Impact of comprehensive care on health care use among a cohort of marginalized people living with hepatitis C in Toronto, Canada

Abstract Background The majority of new hepatitis C (HCV) cases occur among people who inject drugs. In recent years, multidisciplinary models of HCV treatment have […]

Association of Follow-Up Care With Long-Term Death and Subsequent Hospitalization in Patients With Atrial Fibrillation Who Receive Emergency Care in the Province of Ontario

Abstract Background Currently, 11% of patients seen in the emergency department for atrial fibrillation die within 1 year of the visit. Our objective was to […]

Measuring multimorbidity beyond counting diseases: systematic review of community and population studies and guide to index choice

Abstract Objectives To identify and summarise existing indices for measuring multimorbidity beyond disease counts, to establish which indices include mental health comorbidities or outcomes, and […]

Health characteristics of reproductive-aged autistic women in Ontario: A population-based, cross-sectional study

Abstract While an increasing number of girls and women are being identified with autism, we know little about the health of reproductive-aged autistic women. Our […]

The effect of frailty on postoperative readmissions, morbidity, and mortality in endometrial Cancer surgery

Abstract Objectives To determine the impact of frailty on postoperative readmission, morbidity, and mortality among patients undergoing surgery for endometrial cancer. Methods Patients with endometrial […]

Association between mental health comorbidity and health outcomes in type 2 diabetes mellitus patients

Abstract Background Type 2 diabetes mellitus (T2D) is often accompanied by chronic diseases, including mental health problems. We aimed at studying mental health comorbidity prevalence […]

Analysis of modifiable and nonmodifiable risk factors in patients undergoing pituitary surgery

Abstract OBJECTIVE Pituitary adenomas (PAs) are among the most common intracranial tumors. Understanding the clinical effects of various modifiable risk factors (MRFs) and nonmodifiable risk […]

Health care service use and costs for a cohort of high-needs elderly diabetic patients

Abstract Aims To describe the impact of diabetes comorbidities on the health care services use and costs of a cohort of elderly patients with diabetes […]

Management and outcomes of patients with chronic obstructive lung disease and lung cancer in a public healthcare system

Abstract Hypothesis There is limited data on the care and outcomes of individuals with both chronic obstructive pulmonary disease (COPD) and lung cancer, particularly in […]

Guideline interval: A new time interval in the diagnostic pathway for symptomatic cancer

Abstract Background: A standard measure of the cancer diagnostic pathway, diagnostic interval, is the time from “first presentation of cancer” to diagnosis. Cancer presentation may be […]

Impact of Frailty on Clinical and Financial Outcomes Following Minor Lower Extremity Amputation: A Nationwide Analysis

Abstract Objective Frailty has been shown to portend worse outcomes in surgical patients. Our goal was to identify the impact of frailty on outcomes and […]

The clinical impact of frailty on the postoperative outcomes of patients undergoing gastrectomy for gastric cancer: a propensity-score matched database study

Abstract Background Frailty aggregates a composite of geriatric and elderly features that is classified into a singular syndrome; literature thus far has proven its influence […]

Outcomes of SARS-CoV-2 infection in cancer versus non-cancer-patients: A population-based study in northeastern Italy

Abstract Introduction This study assesses the risk of infection and clinical outcomes in a large consecutive population of cancer and non-cancer patients tested for SARS-CoV-2 […]

Survival effects of time to surgery for Stage I lung cancer: A population-based study

Abstract Objectives To examine the impact of time to surgery (TTS) on survival among patients with stage I non-small cell lung cancer (NSCLC). Methods All […]

Development and validation of predictive models for unplanned hospitalization in the Basque Country: analyzing the variability of non-deterministic algorithms

Abstract Background The progressive ageing in developed countries entails an increase in multimorbidity. Population-wide predictive models for adverse health outcomes are crucial to address these […]

Health Utilities in People with Hepatitis C Virus Infection: A Study Using Real-World Population-Level Data

Abstract Background Hepatitis C virus (HCV) infection is associated with reduced quality of life and health utility. It is unclear whether this is primarily due […]

Delay in Diabetes Diagnosis After High-Deductible Health Plan Enrollment: A Pre-Post Study with Control

Abstract Background High-deductible health plan (HDHP) members face relatively high out-of-pocket (OOP) costs for urgent care, high-acuity care, and secondary prevention. These costs could affect […]

Using Machine Learning To Predict Future Foster Care Admission

Structured Abstract Introduction Foster care admissions are highly traumatic for children and their families, often causing serious adverse outcomes. We seek to assess the viability […]

Impact of age and frailty on acute care use during immune checkpoint inhibitor treatment

Abstract Purpose Older and frail adults were under-represented in clinical trials evaluating ICIs, leading to a knowledge gap on their risk of acute care use […]

Disparities in End-of-Life Care: A Retrospective Study on Intensive Care Utilization and Advance Care Planning in the Colorado All-Payer Claims Database

Abstract Background Intensive end-of-life (EOL) care is emotionally and financially burdensome, disproportionally negatively impacting racial and ethnic minorities, rural residents, and lower socioeconomic seniors. Objectives […]

Design and early evaluation of a social care network’s impact on health care costs

Abstract Introduction The Social Care Network (SCN) is a payor–provider-system integrated social care referral model designed to address historical challenges of scalability and sustainability through […]

Lung Transplantation in Rheumatoid Arthritis Related Interstitial Lung Disease: Risk Factors and Mortality in a Universal Health Care System

ABSTRACT Background Despite therapy, some patients with rheumatoid arthritis related interstitial lung disease (RA-ILD) require lung transplantation for progressive disease. We aimed to identify factors […]

Primary care continuity and breast cancer survival: a retrospective cohort study

Abstract Purpose Primary care provider (PCP) continuity improves many health outcomes, but its impact on breast cancer survival remains unclear. We examined how baseline PCP […]

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 […]