Learn more about the innovative work shortlisted for the HSJ Partnership Awards. See the blog post
This study explored the utility of the Johns Hopkins Aggregated Diagnostic Groups (ADGs) as a noncategorical measure of child health in administrative health data. Canadian […]
In: Population Association of America, eds. 2014 Annual Meeting, Population Association of America. Princeton, NJ, USA: Population Association of America. Cornell University, Ithaca, NY, USA […]
2015 IEEE International Conference on Big Data :2551-2559. Robert Bosch (US), Palo Alto, CA, USA Telehealth provides an opportunity to reduce healthcare costs through remote […]
Washington, DC: International Congress of Actuaries. University of Cape Town, South Africa The aim of this paper is to highlight the key methodological considerations in […]
J Am Statistical Assoc 101:911-923. Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA Procedures for analyzing and comparing health care providers’ effects on […]
Health Watch :14-17, 32-34. Denver, Colorado, office of Wakely Consulting Group This article discusses some of the most important considerations in implementing risk adjustment within […]
In: Wrightson CW, eds. Financial strategy for managed care organizations: rate setting, risk adjustment, and competitive advantage. Ann Arbor, MI, USA: Health Administration Press:165-225. Health […]
Massachusetts Rate Setting Commission. Final report and recommendation. Boston, MA, USA: Massachusetts Rate Setting Commission. Massachusetts Rate Setting Commission, Boston, MA, USA We investigated methods […]
In: American Statistical Association, eds. Proceedings of the Section on Statistics in Epidemiology. Alexandria, VA, USA: American Statistical Association:42-49. Department of General Internal Medicine, Boston […]
Toronto, ON, Canada: Institute for Clinical Evaluative Sciences. Institute for Clinical Evaluative Sciences, Toronto, ON, Canada STUDY HYPOTHESES: We hypothesize that the apnea-hypopneas index (AHI), […]
Department of Biostatistics Working Paper 51. Baltimore, MD, USA: Johns Hopkins University. Johns Hopkins University, Baltimore, MD, USA OBJECTIVE. To examine effects of primary care […]
York, UK: University of York. University of York, York, UK Health care providers are almost always universally reimbursed by third party purchasers. As a result, […]
Rockville, MD, USA: Agency for Healthcare Research and Quality. Johns Hopkins University, Baltimore, MD, USA BACKGROUND. Bariatric surgery leads to weight loss, but it is […]
Journal of Statistics and Management Systems 14:843-868. This paper adopted the quantile regression (QR) estimator to assess the effects of the medical utilization factors (changes […]
Seattle, WA, USA: University of Washington (doctoral dissertation). University of Washington, Seattle, WA, USA This dissertation presents an economic analysis of patient-provider communication through secure […]
Madrid, Spain: Universidad Autonoma de Madrid (doctoral dissertation). Published in Spanish. Universidad Autonoma de Madrid, Madrid, Spain INTRODUCCIÓN: La insuficiencia cardiaca (IC) es un problema […]
F1000Research 2:145. Department of Medicine, Johns Hopkins University Schools of Medicine and Public Health, Baltimore, MD, USA OBJECTIVE: Previous randomized clinical trials and their meta-analyses […]
This Case Study shows how Leicester City CCG, one of the most ethnically diverse areas of the UK, analyzed emergency admission rates for all practices, to learn that practices with lower emergency admission rates had significantly higher coding completeness and GP patient survey scores. Learn more.
Johns Hopkins University Facilitating Equity & Efficiency in Primary Health Care, Malaysia using the ACG Case Mix System Dr Karen Kinder Executive Director
HealthPartners Risk Adjustment in Total Cost of Care & Resource Use: Re-Thinking Risk Adjustment Chad Heim Gary Kitching
Minnesota Department of Human Services The MN Health Care Home Initiative and ACG Dean Ewald
Mayo Clinic Assessment of Risk Stratification Methods Identifying Patients for Care Coordination within a Medical Home Lindsey R. Haas, MPH
Richmond Clinical Commissioning Group Using ACG to Support Delivery of Integrated Care Anna Raleigh, Consultant in Public Health Dr Caoimhe O Sullivan, Public Health Principal […]
DST Health Solutions Health Insurance Marketplace Amy Salls
Identifying Near Term Heath Cost Risk in the Absence of Claims Data —Bernard Khomenko, CEBS Vice President of Client Solutions, Data Smart Solutions
Using the ACG Software for a Full Picture of Population Risk Under the Accountable Care Act (ACA) —Amy Salls, DST Health Solutions David Bodycombe, Johns […]
Hadi Kharrazi, MD, PhD, Assistant Professor Health Policy and Management, Johns Hopkins Bloomberg School of Public Health talks about EMRs, other future data sources and […]
CMAJ Open 3:E182. Institute for Clinical Evaluative Sciences, Toronto, ON, Canada; University of Toronto, Toronto, ON, Canada BACKGROUND: Continuity of care has been shown to […]
Objective To determine if there has been an increase in preventive care among adults with IDD as a result of the publication of the Canadian […]
Abstract Introduction and hypothesis Vaginal apical suspension is essential for the surgical treatment of pelvic organ prolapse (POP). We aim to evaluate whether the method […]
Abstract Purpose Studies examining symptom differences between surgeries for breast cancer patients rarely incorporate the effects of adjuvant treatment choice. We sought to understand differences […]
Abstract BACKGROUND Rapid repeat pregnancy within 12 months of a live birth is associated with adverse perinatal outcomes. We evaluated the risk for rapid […]
Abstract Objectives To assess two models for the prediction of health utilization and functions using standardized in-person assessments of frailty and administrative claims-based geriatric […]
ABSTRACT Objectives: To identify care needs among Medicaid and Medicare patients in an all-condition care management program involving case managers (CMs) and community health workers (CHWs), […]
Abstract Study objective We aim to characterize the incidence and risk factors for opioid-related and all-cause mortality in the year after an emergency department (ED) […]
Abstract Background Colonoscopy is a key resource used to diagnose colorectal cancer (CRC). This study evaluated the relationship between colonoscopy availability and the length of […]
Abstract Background Variation in health care, when not based on patient preference, may result in poorer care. We determined whether variation in health services utilization, […]
Abstract Treating mental illnesses in primary care is increasingly emphasized to improve access to mental health services. Although family physicians (FPs) or general practitioners are […]
Abstract Objectives : Frailty has been increasingly recognized as an important risk factor for vascular procedures. To assess the impact of frailty on clinical outcomes and […]
Abstract Background People who experience incarceration have poor health across a variety of indicators, but we lack population-level data on the health of females in […]
Abstract Background Hiatal hernias are often repaired concurrently with bariatric surgery to reduce risk of gastroesophageal reflux disease–related complications. Objectives To examine the association between […]
ABSTRACT Background The adjusted clinical group (ACG) is a diagnosis-based case-mix adjustment system, which has been widely evaluated in several countries other than Taiwan. The […]
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 […]
Abstract Objective Multi-morbidity contributes to mortality and hospitalisation in COPD, but it is uncertain how this interacts with disease severity in risk prediction. We compared […]
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 […]