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 […]

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 […]

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 […]

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 […]

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 […]

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 […]

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 […]

Manag Care Q 2:21-34. CSC Healthcare Systems, Inc., Malden, MA, USA When analyzing medical utilization or other health care-related measurements across provider panels, case mix […]

Med Care 44:745-753. Department of Family Medicine, University of Washington, Seattle, WA, USA BACKGROUND: Numerous measures of comorbidity have been developed for health services research […]

Rev Neurol 29:667-669. Published in Spanish. Fundació Jordi Gol i Gurina, Barcelona, España INTRODUCTION: Ambulatory care groups (ACG) are a system of classification for patients […]

J Health Serv Res Policy 9 Suppl 2:17-22. Department of Public Health, Wellington School of Medicine and Health Sciences, Wellington, New Zealand OBJECTIVE: To compare […]

JAMA 272:1903-1908. Department of Health Policy and Management, School of Hygiene and Public Health, Johns Hopkins University, Baltimore, MD, USA OBJECTIVE: To determine the relationship […]

Am J Manag Care 18:e468-e476. Institute for Health and Disability Policy Studies, University of Kansas, Lawrence, KS OBJECTIVES: To demonstrate a threat to validity in […]

Osteoporos Int 23:929-936. Department of Medicine, University of Manitoba, 409 Tache Avenue, Winnipeg, MB, Canada Despite targeted attempts to reduce post-fracture care gaps, we hypothesized […]

JAMA 276:1316-1321. Health Research Center, Institute for Research and Education, HealthSystem Minnesota, Minneapolis, MN, USA OBJECTIVE: To compare performance of different health status measures for […]

Health Aff W4:64-66. Mayo Clinic College of Medicine, Rochester, MN, USA The United States faces a serious shortage of cardiologists as our population ages and […]

Eur J Public Health 17:657-663. Planning Management, Badalona Serveis Assistencials, SA, Badalona, Barcelona, Spain BACKGROUND: To determine the referral rate (RR) per centre, its main […]

Health Aff 18:217-227. Urban Institute, Washington, DC, USA This paper reports on a new survey of state Medicaid managed care payment rates. We collected rate […]

Health Serv Res 45:1763-1782. Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Johns Hopkins Healthcare LLC, Glen Burnie, MD, USA OBJECTIVE: […]

Can Fam Physician 57:e381-e389. Department of Family and Community Medicine, University of Toronto, ON, Canada OBJECTIVE: To study the effect of electronic medical record (EMR) […]

Rev Peru Med Exp Salud Publica 28:564-565. Published in Spanish. Directorate of Planning, Badalona Serveis Assistencials SA, Badalona, Spain Sr. Editor. El envejecimiento progresivo de […]

J Neurotrauma 29:2038-2049. Mayo Clinic, Rochester, MN, USA Data on traumatic brain injury (TBI) economic outcomes are limited. We used Rochester Epidemiology Project (REP) resources […]

Health Serv Res 40:887-904. Health Services Research and Development Northwest Center of Excellence, Veterans Affairs Puget Sound Health Care System, Seattle, WA, USA. OBJECTIVE: To […]

Int J Equity Health 12:66. School of Social and Community Medicine, University of Bristol, Bristol, UK INTRODUCTION: In adults, multimorbidity is associated with social position. […]

BMJ 323:607-610. School of Public Policy, University College London, London, UK Risk adjustment could help to improve decisions about budgets as well as help measure […]

BMC Public Health 13:918. Oberri, Basque Institute for Healthcare Innovation, Sondika, Spain BACKGROUND: Multimorbidity is clearly a major challenge for healthcare systems. However, currently, its […]

Am J Gastroenterol 108:1159-1167. University of Wisconsin School of Medicine and Public Health, Madison, WI, USA OBJECTIVES: Colorectal cancer (CRC) screening is underutilized. To effect […]

J Gen Intern Med Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA BACKGROUND: Young adults with hypertension have […]

Med Care 34:798-810. Department of Health Policy and Management, Johns Hopkins University School of Public Health, Baltimore, MD, USA OBJECTIVES: This study illustrates how claims […]

Rev Clin Esp 214:140-142. University of Southern Denmark, Odense, Denmark Obesity has long been known as a driver and predictor of the increasing global prevalence […]

AMIA Annu Symp Proc 2013:1402-1411. Weill Cornell Medical College, New York, NY, USA Health information exchange (HIE) systems may address the challenges that prevent easy […]

First International Conference on Pediatric Acquired Brain Injury, September 2015, Liverpool, UK. University of Toronto, Toronto, ON, Canada Objective: To determine, by sex, the predictors, […]

Arch Phys Med Rehabil 96:e17-e18. Toronto Rehabilitation Institute, Toronto, ON, Canada Objective(s): To investigate demographic and acute care clinical determinants  of admission to inpatient rehabilitation […]

J Hum Resources 45:517-548. Columbia University, New York, NY, USA; University of Toronto, Toronto, ON, Canada; University of Manitoba, Winnipeg, MB, Canada Research has shown […]

Quality Matters December 2010/January 2011. Commonwealth Fund, New York, NY, USA Health reform strategies such as creating patient-centered medical homes depend on an actively engaged […]

Winnipeg, MB, Canada: Manitoba Centre for Health Policy. Manitoba Centre for Health Policy, University of Manitoba, Winnipeg, MB, Canada Although many descriptive healthcare studies are […]

Chapter 5. In: Gavin NI, Farrelly MC, ed. Evaluation of Medicaid managed care programs with 1915(b) waivers. Presented to HCFA Office of R&D. Rockville, MD, […]

EHI ehealth Insider :5 March 2012. More than 200 GP practices in South Central England are getting quarterly risk stratification and predictive modelling information on […]

Toronto, ON, Canada: Institute for Clinical Evaluative Sciences. Institute for Clinical Evaluative Sciences, Toronto, ON, Canada Key Findings OLDER WOMEN: A look at gender differences […]

Health Serv Outcomes Res Methodology 3:266-277. Adamian Academic Center, Bentley College, Waltham, MA, USA; Center for Health Quality, Outcomes and Economic Research, Veterans Administration Medical […]

Hopkins health pricing tool a managed care hit. Baltimore Business Journal July 21. Baltimore Business Journal, Baltimore, MD, USA Johns Hopkins University’s links with private […]

Baltimore, MD, USA: Centers for Medicare and Medicaid Services. Schneider Institutes for Health Policy, The Heller School for Social Policy and Management, Brandeis University, Waltham, […]

Winnipeg, MB, Canada: Manitoba Centre for Health Policy. Manitoba Centre for Health Policy, Winnipeg, MB, Canada Obesity is a major public health concern in Canada […]

Cape Town, South Africa: Actuarial Society of South Africa. School of Management Studies, University of Cape Town, Rondebosch, South Africa The aim of this paper […]

São Paulo, Brazil: Fundação Getúlio Vargas, Escola de Administração de Empresas de São Paulo (doctoral dissertation). Published in Portuguese. Fundação Getúlio Vargas, Escola de Administração […]

In: 2013 IEEE International Conference on Healthcare Informatics, September 9-11, 2013, Philadelphia, PA, USA. Los Alamitos, CA, USA: IEEE:551-556. Department of Health Policy and Management, […]

Midlands and Lancashire CSU – ACG® System Case Management Report

Slough CCG used data output from the Johns Hopkins ACG System to gain a better understanding of their patient population, understand the factors that drive […]

Johns Hopkins HealthCare LLC   Population Health Management: A Focus On Analytics Using ACGs Martha Sylvia, PhD, MBA, RN

The Association between Patient Sharing among Physicians and Cost of Care-Klaus Lemke

Do Real Time Clinical Measures Improve the Performance of ACG Based Predictive Models? Paul Fishman, PhD  Robert Reid, MD, PhD 

2015 HSR Impact Awardee The Johns Hopkins ACG Case-Mix System

Thomas E. Kottke, MD, MSPH; Jason M. Gallagher, MBA; Sachin Rauri, MS; Juliana O. Tillema, MPA; Nicolaas P. Pronk, PhD, FACSM; Susan M. Knudson, MA […]

Objective To determine how to best measure the provision of comprehensive preventive care assessment to adults with IDD. Design Cross-sectional. Setting Ontario. Participants Adults with […]

Abstract Background: Several different indices summarize patient comorbidity using health care data. An accurate index can be used to describe the risk profile of patients, […]

Abstract   Background Payers and providers still primarily use ordinary least squares (OLS) to estimate expected economic and clinical outcomes for risk adjustment purposes. Penalized […]

Abstract Study design Retrospective cohort study. Objectives The objectives for this study were to examine the prevalence of polypharmacy for people with traumatic spinal cord […]

Abstract BACKGROUND AND AIMS Methadone maintenance therapy (MMT) is associated with improved outcomes for children exposed to maternal opioid dependence in utero. We examined Ontario’s […]

Abstract Background Events occurring outside the hospital setting are underevaluated in surgical quality improvement initiatives and research. Objective To quantify regional variation in home care […]

Abstract Importance  Sex-based income disparities are well documented in medicine and most pronounced in surgery. These disparities are commonly attributed to differences in hours worked. […]

Abstract Background Individuals on the autism spectrum are at greater risk for a variety of co-occurring psychiatric and medical conditions, which could result in greater […]

Abstract Background and purpose To characterize the frequency and risk of serious infections in patients with myasthenia gravis (MG) relative to age/sex/area‐matched comparators. Methods This […]

Abstract Background Gastrointestinal cancer surgery patients often develop perioperative anemia commonly treated with red blood cell (RBC) transfusions. Given the potential associated risks, evidence published […]

Aims Echocardiography is commonly used in hip fracture patients to evaluate perioperative cardiac risk. However, echocardiography that delays surgical repair may be harmful. The objective […]

ABSTRACT Background We examined HIV care and treatment in prison and after release for people with HIV in Ontario, Canada, and compared HIV care and […]

Abstract Purpose This study is conducted to explore the association between potentially inappropriate medication (PIM) and Alzheimer’s disease (AD) among the elderly. Methods We used […]

Abstract Objective Prednisone is a common treatment for myasthenia gravis (MG), and osteoporosis is a known potential risk of chronic prednisone therapy. Our aim was […]

Abstract Background Frailty is linked to perioperative morbidity and mortality. We evaluated the impact of preoperative frailty on inpatient outcomes of patients undergoing surgery for […]

Abstract Background Severe nutritional complications can occur following Roux-en-Y gastric bypass (RYGB). Adherence to follow-up visits can reduce the risk of many bariatric surgery complications, […]

Abstract The prevalence of Type 1 Diabetes (T1D) in the Veneto Region (Italy) in the 2015–2020 years was 152.5/100,000 subjects and the incidence 19.7/100,000 person-years. Accordingly, Veneto Region […]

Abstract Background In Canada, epidermal growth factor receptor (EGFR) inhibitor therapies in advanced non-small cell lung cancer (NSCLC) were initially approved regardless of EGFR status. The purpose […]

Abstract Background Healthcare systems have increasingly adopted integrated care models with demonstrated effectiveness. However, few studies examine integrated care for individuals with co-morbid mental illness […]

Abstract SARS-CoV-2 variants of concern (VOC) are more transmissible and may have the potential for increased disease severity and decreased vaccine effectiveness. We estimated the […]

Abstract Objective Patient vital signs are related to specific health risks and outcomes but are underutilized in the prediction of health-care utilization and cost. To […]

Abstract Hip fractures have life-altering consequences. Individuals with schizophrenia may experience a higher likelihood of hip fractures, worse postfracture outcomes, and suboptimal care. This thesis […]

ABSTRACT Background This study examined death from breast cancer and death from other causes among women with Stage 1 and 2 Her2-positive and triple-negative breast […]

Abstract Objective Determine relationship between frailty and hospital mortality, length of stay, cost, and medical and surgical complications in Zenker diverticulum surgery. Study Design Retrospective […]

Graphical abstract

Abstract Background Shingles remains a significant cause of morbidity in people living with HIV despite advances in antiretroviral therapy. The recombinant zoster vaccine (RZV) is […]

Abstract Background Many burn survivors experience poor long-term outcomes, including reduced quality of life and greater mortality than the general population, yet post-discharge interventions to […]

Abstract Background Chronic respiratory diseases (CRDs), such as asthma and chronic obstructive pulmonary disease (COPD), are heterogeneous conditions with a high multimorbidity burden. However, existing risk […]

Abstract Rationale and objective To evaluate the relationship between receipt of annual physicals and the receipt of provider recommendation for preventive services, during a period […]

Med Care 45:116-122. Division of Research, Kaiser Permanente Northern California, Oakland, CA, USA BACKGROUND: Having a family member with substance use problems affects family functioning, […]

Int J Equity Health 13:115. Ben-Gurion University, Beer Sheva, Israel; Clalit Health Services, Tel Aviv, Israel OBJECTIVES: To assess an association of Socio-economic status with […]

Ann Fam Med 12:559-567. Montreal Health and Social Services Agency, Montreal, QC, Canada PURPOSE: In a primary care context favoring group practices, we assessed the […]

Gac Sanit 29:15-20. Aragón Health Sciences Institute (IACS), Zaragoza, Spain; University of Zaragoza, Zaragoza, Spain; Miguel Servet University Hospital, Zaragoza, Spain; Carlos III Health Institute, […]

Res Social Adm Pharm 11:382-400. Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, PA, USA; University of Pittsburgh, PA, USA; University of Wisconsin, Madison, WI, USA; Pharmacy […]

Gastric Cancer 19:150-159. Department of Surgery, Maimonides Medical Center, Brooklyn, NY, USA BACKGROUND: Stage IV gastric cancer is lethal, and little population-based research on prognostic […]

J Natl Cancer Inst 108:10. University of Toronto, Toronto, ON, Canada; St. Michael’s Hospital, Toronto, ON, Canada; Institute for Clinical Evaluative Sciences, Toronto, ON, Canada; […]