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Abstract Background High-intensity cancer surgery is increasingly common among older adults. However, these patients are at high-risk for unexpected intensive care unit (ICU) admissions after […]
Abstract Background Advances in healthcare delivery have allowed for the increase in the number of ambulatory surgery procedures performed in Canada. Despite these advances, patients […]
Abstract Background People with intellectual/developmental disabilities (IDD) are reportedly intensive users of forensic inpatient services. Methods Using administrative data, we identified people with and without […]
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 […]
Abstract Objectives Reconstructive surgery may result in prolonged postoperative recovery, especially in frail patients, which in turn may impact delivery of adjuvant therapy. To date, […]
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 […]
Arch Intern Med 169:1692-1697. Department of Human Development and Family Science, Ohio State University, Columbus, OH, USA BACKGROUND: We characterized the relative risk of a […]
Fam Pract 28:128-133. Unidad de Bioingenieria y Telemedicina, Hospital Universitario Puerta de Hierro, Majadahonda, Spain BACKGROUND: Heart failure (HF) is a health problem that particularly […]
Med Care 44:793-797. Houston Center for Quality of Care and Utilization Studies, Michael E. DeBakey Veterans Affairs Medical Center, Houston, TX, USA OBJECTIVES: We sought […]
Health Policy 103:3-8. Department of Health Policy and Management, Johns Hopkins University, Baltimore, MD, USA Multimorbidity is increasing in frequency. It can be quantitatively measured […]
Health Policy 103:9-15. Research Centre for Health Care Economics and Management, Universitat Politècnica de València, Valencia, Spain BACKGROUND: The Valencian Autonomous Community (Spain) has implemented […]
J Gen Intern Med 26:698-704. Group Health Research Institute, Seattle, WA, USA BACKGROUND: Quality of antidepressant treatment remains disturbingly poor. Rates of medication adherence and […]
Scand J Prim Health Care 22:174-179. Center for Family Medicine, Department of Clinical Science, Karolinska Institute, Stockholm, Sweden OBJECTIVE: To elucidate types of morbidity and […]
J Clin Psychiatry 70:1461-1466. Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA OBJECTIVE: This study examines the […]
J Clin Epidemiol 57:1040-1048. Indiana University Center for Aging Research, Indianapolis, IN, USA OBJECTIVE: To compare the ability of commonly used measures of medical comorbidity […]
BMJ 334:1261. Division of General Internal Medicine, University of California San Francisco, San Francisco General Hospital, San Francisco, CA, USA. OBJECTIVES: To compare mix of […]
Obesity 21:e303-e313. Group Health Research Institute, Group Health Cooperative, Seattle, WA, USA OBJECTIVE: Overweight and obese patients commonly suffer from depression and choice of depression […]
J Clin Psychopharmacol 33:24-30. University of Manitoba, Winnipeg, MB, Canada. BACKGROUND: Antipsychotic medications have been widely used in elderly patients for treatment of a variety […]
J Emerg Med 18:289-297. Department of Family Medicine, University of Washington, Seattle, WA, USA This study uses Medicare data to compare emergency department (ED) use […]
Mil ed 170:964-971. AdvanceMed/CSC, Plaza America Drive, Reston, VA, USA Using industry leading methods and software products, this article explores the potential for health risk […]
Aging Clin Exp Res 20:556-561. Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA BACKGROUND AND AIMS: To evaluate the effect of interdisciplinary outpatient […]
BMC Public Health 9:202. Directorate of Planning, Badalona Serveis Assistencials SA, Badalona, Barcelona, Spain BACKGROUND: The main objective of this study is to measure the […]
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.
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 Introduction Neuroendocrine tumours (nets) are a poorly understood malignancy lacking standardized care. Differences in socioeconomic status (ses) might worsen the effect of non-standardized care. […]
