DOCUMENTS
Documents
Rev Panam Salud Publica 27:49-55. Published in Spanish. Dirección de Planificación, Badalona Serveis Assistencials, S.A., Barcelona, Spain OBJECTIVES: To evaluate the results of implementing a […]
BMC Public Health 11:814. Manitoba Centre for Health Policy, University of Manitoba, Winnipeg, MB, Canada BACKGROUND: Métis are descendants of early 17th century relationships between […]
Med Care 50:58-65. Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA BACKGROUND: The effect of bariatric surgery […]
Health Serv Res 38:1319-1337. VA Puget Sound Health Care System, Seattle, WA, USA OBJECTIVE: To compare the rankings for health care utilization performance measures at […]
Health Care Manag Sci 3:101-109. Department of Health Services, University of Washington, Seattle, WA, USA Risk adjustment may be a sensible strategy to reduce selection […]
BMJ 323:604-607. School of Public Policy, University College London, London, UK No abstract PMID: 11557709 PMCID: PMC55577
Diabetes Care 27:1060-1065. Colorado Foundation for Medical Care, Denver, CO, USA OBJECTIVE: Diabetes is common among low-income elderly, dual-eligible (DE) Medicare/Medicaid patients resulting in significant […]
J Eval Clin Pract 19:267-276. Directorate of Planning, Badalona Serveis Assistencials SA, Badalona, Spain OBJECTIVE: The study aims to obtain the mean relative weights (MRWs) […]
J Am Coll Radiol 11:51-58. University of Minnesota, Minneapolis, MN. USA; Arizona State University, Tempe, AZ, USA PURPOSE: This study explores characteristics that distinguish higher […]
Arthritis Rheumatol 66:254-263. University of Toronto, Toronto, ON, Canada OBJECTIVE: Most of the evidence regarding complications following total hip arthroplasty (THA) and total knee arthroplasty […]
Popul Health Manag. Clalit Research Institute , Chief Physician’s Office, Clalit Health Services, Tel Aviv, Israel . The current study aimed to develop a patient […]
Background: Frailty is a risk factor for adverse postoperative outcomes. Hospitals that perform higher volumes of surgery have better outcomes than low-volume providers. We hypothesized […]
Ithaca, NY, USA: Cornell University (doctoral dissertation). Cornell University, Ithaca, NY, USA Employers are increasingly using wellness programs to improve health and lifestyle of employees. […]
Sacramento, CA, USA: Public Policy Institute of California. Rollins School of Public Health, Emory University, Atlanta, GA; School of Public Health, University of Alabama at […]
2013 American Society of Clinical Oncology Annual Meeting. Abstract 6625. J Clin Oncol 31 (suppl; abstr 6625). University of Toronto, Toronto, ON, Canada; St. Michael’s […]
Montreal, QC, Canada: Montreal Health and Social Services Agency. Published in French. Montreal Health and Social Services Agency, Montreal, QC, Canada No abstract
Gainesville, FL, USA: Institute for Child Health Policy, University of Florida. Institute for Child Health Policy, University of Florida, Gainesville, FL, USA As part of […]
In: Grady M, eds. Primary care research: theory and methods. Washington, DC: USDHHS. AHCPR Pub 91-0011:75-81. Johns Hopkins University, Baltimore, MD, USA This paper describes […]
MDS Associates, Laguna Research Associates. Final report to the Bureau of Primary Health Care. Wheaton, MD, USA: MDS Associates. Wheaton, MD, USA; San Francisco, CA, […]
Minneapolis, MN, USA: Milliman USA and Park Nicollet Institute Health Research Center. Milliman USA and Park Nicollet Institute Health Research Center, Minneapolis, MN, USA The […]
Baltimore, MD, USA: Johns Hopkins University (doctoral dissertation). Johns Hopkins University, Baltimore, MD, USA Korea has experienced a period of rapid economic development and industrialization […]
Gainesville, FL, USA: University of Florida. University of Florida, Gainesville, FL, USA Provider profiling use epidemiological methods to compare physician practice patterns across various dimensions […]
BMC Health Serv Res 9:A16. Johns Hopkins HealthCare, Glen Burnie, MD, USA Introduction: Johns Hopkins HealthCare contracts with the US Department of Defense (DOD) […]
A retrospective cohort study of a new therapy? Rockville, MD, USA: Agency for Healthcare Research and Quality. Johns Hopkins University, Baltimore, MD, USA BACKGROUND: Exenatide […]
Toronto, ON, Canada: University of Toronto (masters thesis). University of Toronto, Toronto, ON, Canada Osteoporosis is a major public health problem resulting in substantial hip […]
Seattle, WA, USA: University of Washington (doctoral dissertation). University of Washington, Seattle, WA, USA Diabetes is a chronic illness of increasing public health importance affecting […]
Hamilton, NJ, USA: Center for Health Care Strategies. Center for Health Care Strategies, Hamilton, NJ, USA In this report we describe six health status grouping […]
Vancouver, BC, Canada: University of British Columbia (doctoral dissertation). University of British Columbia, Vancouver, BC, Canada BACKGROUND: Drug therapy is the mainstay medical treatment for […]
During the current pandemic, NHS stakeholders need to identify their most vulnerable patient populations. This short report shares how insights from the ACG System can […]
Johns Hopkins Bloomberg School of Public Health Population Based Casemix- An Introduction to the ACG System Dr Peter F. S. Lee
Clalit Profiling Morbidity Burden in Primary Care: Local Calibration of a Case-Mix Model to Account for the Burden Israeli Primary Care Physicians Face Ran D. […]
MZI HealthCare A Population Health Model for Physician Reimbursement: A Hybrid Approach Greg Gootee, MBA
Discovery Health A Virtually Integrated Care Delivery Model for Complex, High-Needs Patients Riedwaan Jabaar
Johns Hopkins Bloomberg School of Public Health Looking Back, Looking Forward: Johns Hopkins ACG System Improving Health Care Worldwide for 30 Years Professor Jonathan P. […]
DST Health Solutions 2014 Reform Preparation: What Health Plans Need to Know Now! Teri Mullaney, Chief Strategy Officer
Expanding the clinical toolbox for progressive healthcare intervention —Lizelle Steenkamp, Discovery Health
Reaching The EMR / e-Health Tipping Point: Implications for the Future of Health Care and Population Health —Jonathan P. Weiner, DrPH Professor of Health Policy […]

In this video, Chad Abrams, M.A.; Director of U.S. Operations, ACG System; briefly describes the Johns Hopkins ACG System highlighting features included in the software’s version 11 release. Learn more.
Background: Hip fractures among older adults are one of the leading causes of hospitalization and result in significant morbidity, mortality, and health care use. Guidelines […]
Background: Transitioning low-risk cancer survivors back to their primary care provider (PCP) has been shown to be safe but the effect on health system resources […]
Abstract Objectives The Healthy Kids Community Challenge is a large-scale, centrally-coordinated, community-based intervention in Ontario, Canada that promotes healthy behaviours towards improving healthy weights […]
Abstract Women with intellectual disability have low screening rates for breast and cervical cancer. This population-based cohort study examined the association between the level of […]
Abstract A majority of Americans have health care insurance through their employers, the cost for which is rising at an alarming rate. Unfortunately, higher […]
Abstract Objective To evaluate the impact of frailty on adverse perioperative outcomes in patients treated with radical cystectomy for bladder cancer. Material and Methods We […]
Abstract We examine family physicians’ responses to financial incentives for medical services in Ontario, Canada. We use administrative data covering 2003–2008, a period during which […]
Abstract Background Relatively few studies investigated the importance of frailty in radical cystectomy (RC) patients. We tested the ability of frailty, using the Johns Hopkins […]
Summary The majority of patients with esophagus cancer have advanced-stage disease without curative options. For these patients, treatment is focused on improving symptoms and quality […]
Abstract Background & Aims Hepatitis C virus (HCV) is a common and treatable cause of cirrhosis and its complications, yet many chronically infected individuals remain […]
Abstract Health plans develop predictive models to predict key clinical events (eg, admissions, readmissions, emergency department visits). The authors developed predictive models of admissions and […]
Abstract Background Few studies have investigated the outcomes of surgical fracture care among socially deprived patients despite the increased incidence of fractures and the inequality […]
Abstract Background Breast assessment sites (bass) were developed to provide expedited and coordinated care for patients being evaluated for breast cancer (bca) in Ontario. We […]
Abstract Objective Although experience suggests a shift in the epidemiology of spinal cord injury (SCI) toward an older demographic, population studies are lacking. We aimed […]
ABSTRACT Objectives There are multiple instruments for measuring multimorbidity. The main objective of this systematic review was to provide a list of instruments that are […]
Abstract Background Stigma and high-care needs can present barriers to the provision of high-quality primary care for people with opioid use disorder (OUD) and those […]
Abstract Background It is well established that cancer patients infected with SARSCoV-2 are at particularly elevated risk of adverse outcomes, but the comparison of SARS-CoV-2 […]
Abstract Background In June 2013, Ontario Health (Cancer Care Ontario), the agency responsible for advancing cancer care in Ontario, Canada, published practice guidelines recommending that […]
Abstract Objective Practice guidelines advocating for regionalization of endometrial cancer surgery to gynecologic oncologists practicing in designated gynecologic oncology centres were published in Ontario in […]
Abstract Background Patients in geriatric care display a high degree of multimorbidity. We aimed to explore and visualise various patterns of multimorbidity in a person-oriented […]
Abstract Patients enrolled in Medicaid have significantly higher social needs (SNs) than others. Using claims and electronic health records (EHRs) data, managed care organizations (MCOs) […]
Abstract Purpose It is difficult to reduce cost and improve quality without knowledge pertaining to the distribution of expenses in the population in question. We […]
Abstract Background: Approximately half of decedents in Ontario, Canada, receive some palliative care, but little is known about the influence of language on the nature of […]

During the current health care crisis, health systems, health plans and governments urgently need to identify their most vulnerable patient populations. The Johns Hopkins ACG […]

This webinar is an introduction to the basics of predictive modelling and provides an overview of the predictive models that are available within the Johns […]
Hypertension 63:977-983. University of Alberta, Edmonton, AB, Canada Olmesartan has been linked with increased risk of cardiovascular mortality and sprue-like enteropathy. We compared outcomes between […]
Health Serv Res 34:323-329. University of Rochester, Rochester, NY, USA OBJECTIVE: To examine primary care physician referral rate variations, including their extent and their stability […]
J Trauma Acute Care Surg 76:180-184. University of Manitoba, Winnipeg, MB, Canada; University of California San Diego, San Diego, CA, USA; University of Regina, Regina, […]
Eur J Intern Med 26:182-189. Basque Institute for Healthcare Innovation, Barakaldo, Spain; Università Cattolica del Sacro Cuore, Rome, Italy; Agenzia Italiana del Farmaco (AIFA), Rome, […]
Alzheimers Dement. Mayo Clinic, Rochester, MN, USA; K Long Health Economics Consulting LLC, St. Paul, MN, USA; AbbVie, North Chicago, IL, USA BACKGROUND: Objective cost […]
Health Aff W4:76-78. Commonwealth Fund, New York, NY, USA Prepaid group practices (PGPs) are complex organizations that directly combine prepayment for health care with a […]
J Am Board Fam Med 29:116-125. University of Maryland School of Medicine, Baltimore, MD, USA; University of Maryland School of Pharmacy, Baltimore, MD, USA; Department […]
BMJ Open 5:e007428. Bruyère Research Institute, Ottawa, ON, Canada; University of Ottawa, Ottawa, ON, Canada; Ottawa Hospital Research Institute, Ottawa, ON, Canada; Institute for Clinical […]
PLoS One 10:e0128312. University of British Columbia, Vancouver, BC, Canada PURPOSE: To describe trends, patterns, and determinants of prescription drug use during pregnancy and postpartum. […]
J Popul Ther Clin Pharmacol 20:e1. University of British Columbia, Vancouver, BC, Canada; St. Paul’s Hospital, Vancouver, BC, Canada BACKGROUND: In asthma, it is recommended […]
Arch Fam Med 9:1111-1118. Department of Family Practice, Medical College of Virginia, Virginia Commonwealth University, Fairfax, VA, USA BACKGROUND: New rulings nationwide require health services […]
Health Care Financ Rev 24:43-61. Rollins School of Public Health, Emory University, Atlanta, GA, USA Actuarial split-sample method were used to assess predictive accuracy of […]
Osteoporos Int 18:153-158. Radiology, University of Manitoba, Winnipeg, MB, Canada INTRODUCTION AND HYPOTHESIS: An inverse relationship exists between socio-economic status (SES) and osteoporotic fractures. In […]
Schizophr Res 113:101-106. Department of Community Health Sciences, University of Manitoba, Manitoba Centre for Health Policy, Winnipeg, MB, Canada CONTEXT: Barriers to cervical cancer screening […]
BMC Public Health 6:35. Center for Family and Community Medicine, Neurotec Department, Karolinska Institute, Stockholm, Sweden BACKGROUND: The objective was to estimate the proportion of […]
Jt Comm J Qual Improv 19:552-565. Department of Health Policy and Management, Harvard School of Public Health, Boston, MA, USA Because of the focus on […]
Health Aff 31:306-315. Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA The Affordable Care Act calls for the establishment of state-level health insurance […]
J Clin Endocrinol Metab 95:3272-3276. University of Manitoba, Winnipeg, MB, Canada CONTEXT: Abdominal obesity is a major risk factor for diabetes. Dual-energy x-ray absorptiometry (DXA) […]
Geriatr Gerontol Int 12:612-621. Department of Medical Affairs and Planning, National Yang Ming University, Taipei, Taiwan. AIM: That geriatric evaluation and management (GEM) is associated […]
Med Care 42:123-128. Medical Service, Iowa City VA Medical Center, Iowa City, IA, USA BACKGROUND: Valid methods of predicting resource utilization in primary care populations […]
Med Care 42:232-238. Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA OBJECTIVE: The objective of this study […]
Health Serv Res 42:629-643. Houston Center for Quality of Care and Utilization Studies, Health Services Research and Development Service, Michael E. DeBakey VA Medical Center, […]
BMC Public Health 10:244. Aragon Health Sciences Institute, Zaragoza, Spain BACKGROUND: The computerisation of primary health care (PHC) records offers the opportunity to focus on […]
Vaccine 29:240-246. Institute for Clinical Evaluative Sciences, Toronto, ON, Canada The objective of this study was to evaluate the effectiveness of influenza vaccines in reducing […]
Arch Intern Med 172:484-491. Institute for Clinical Evaluative Sciences, Toronto, ON, Canada BACKGROUND: Estimates of influenza vaccine effectiveness in elderly individuals are largely from observational […]
Value Health 3 Suppl 1:29-38. MEDSTAT Group, Inc., Ann Arbor, MI, USA OBJECTIVES: To estimate relationships between medical care expenditures in 1996 and adherence to […]
Rev Esp Salud Publica 80:55-65. Published in Spanish. Dirección de Planificación y Desarrollo Organizativo, Badalona, Serveis Assistencials, Badalona, Barcelona, Spain BACKGROUND: Most patient classification systems […]
Health Serv Manage Res 21:14-22. Department of Veterans Affairs Healthcare Network Upstate New York, Albany, NY, USA Using descriptive statistics, this paper revealed that the […]
Gac Sanit 23:228-231. Published in Spanish. Dirección de Planificación, Badalona Servicios Asistenciales, S.A., Badalona, Barcelona, España. PURPOSE: To validate the Johns Hopkins ACG case-mix system […]
A register-based study in a Swedish population. BMC Public Health 11:552. Department of Medical and Health Sciences, Family Medicine, Linköping University, Linköping, Sweden BACKGROUND: Depressive […]
BMC Emerg Med 11:13. Department of Family and Community Medicine, University of Toronto, Toronto, ON, Canada BACKGROUND: Emergency departments are medical treatment facilities, designed to […]
Obes Surg 22:749-763. Center for Health Care Research and Policy, MetroHealth Medical Center/Case Western Reserve University, Cleveland, OH, USA BACKGROUND: Bariatric surgery is the most […]
Clinicoecon Outcomes Res 4:39-47. Dirección de Planificación, Badalona Serveis Assistencials, Barcelona, Spain BACKGROUND: The purpose of this study was to gather information about analgesic drug […]
PLoS One 8:e66192. Children’s Hospital of Philadelphia, Philadelphia, PA, USA; Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA OBJECTIVE: To evaluate the validity […]
BMC Fam Pract 14:11. Multiprofessional Education Unit for Family and Community Care (South-east), Madrid, Spain BACKGROUND: Chronic obstructive pulmonary disease (COPD) is frequent and often […]