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The Johns Hopkins ACG® System Bibliography provides links to more than 900 papers and reports from across the globe detailing various studies utilizing the ACG System in a variety of locations, populations, and innovative applications.
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Abstract Introduction: Recently, in Dutch health care the focus is shifting from a disease oriented approach to a more population based approach. Since in The […]
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 Objectives. To examine the impact of the dissemination of guidelines to physicians and of a population-level health communication intervention on the percentage of adults […]
Abstract Background Chronic kidney disease is a recognized independent risk factor for cardiovascular disease, but whether the risks of ST‐segment–elevation myocardial infarction (STEMI) and non–ST‐segment–elevation […]
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 Recent changes to US reimbursement policies are increasingly holding providers financially accountable for patients’ health. Providing nonmedical services in conjunction with primary care—known as […]
Abstract Although individuals with intellectual and developmental disabilities (IDD) and psychiatric concerns are more likely than others to visit hospital emergency departments (EDs), the frequency […]
Abstract Background The identification of contextual factors that modify associations between client frailty and their health and service use outcomes is essential for informed home […]
Abstract Objectives To quantify health service utilization including assessment, monitoring, and treatment of respiratory complications of children with neuromuscular disease (NMD), identifying practice variation and […]
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: This exploratory study used outpatient laboratory test results from electronic health records (EHRs) for patient risk assessment and evaluated whether risk markers based on […]
Background: Many patients who receive chronic hemodialysis have a limited life expectancy comparable to that of patients with metastatic cancer. However, patterns of home palliative […]
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 Population aging and the increase of chronic conditions incidence and prevalence produce a higher risk of hospitalization or death. This is particularly high for […]
Abstract Aim Breast cancer and its treatment are associated with varying symptoms. The province of Ontario (13.6 million) has implemented a provincial programme to screen for symptoms among […]
Abstract BACKGROUND Few studies of how exposure of children to anesthesia may affect neurodevelopment employ comprehensive neuropsychological assessments. This study tested the hypothesis that […]
Abstract Objectives To examine the value of unstructured electronic health record (EHR) data (free‐text notes) in identifying a set of geriatric syndromes. Design Retrospective analysis […]
Abstract Aims To evaluate the association between metformin use and heart failure (HF) exacerbation in people with type 2 diabetes (T2D) and pre‐existing HF […]
Abstract This population-based cohort study examined the relationship between level of continuity of primary care and subsequent emergency department (ED) visits for adults with (n = 66,484) […]
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 […]
Abstract Background Data are limited on risk factors for vancomycin-resistant Enterococcus (VRE) bacteremia. Methods All patients with a confirmed VRE bacteremia in Ontario, Canada, between January […]
Abstract Background Previous studies on high-risk opioid use have only focused on patients diagnosed with an opioid disorder. This study evaluates the impact of various […]
BACKGROUND: Primary care clinicians know that case-mix varies between different physician practices and geographical areas. Leicester City Clinical Commissioning Group (CCG) is now able to quantify […]
Health Innovation Program, the University of Wisconsin School of Medicine and Public Health from The Wisconsin Partnership Program, and the Community–Academic Partnerships core of the […]
Abstract Background The Italian National Health Service (NHS) provides universal coverage to all citizens, granting primary and hospital care with a copayment system for outpatient […]
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, […]
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 […]
Abstract Purpose: A recent regulatory warning and case reports have described the development of muscle complications with the use of 5‐α reductase inhibitors (5ARIs). We […]
Risk adjustment models are traditionally derived from administrative claims. Prescription fill rates—extracted by comparing electronic health record prescriptions and pharmacy claims fills —represent a novel […]
In the United States kidney transplant rates vary significantly across end-stage renal disease (ESRD) networks. We conducted a population-based cohort study to determine whether there […]
Department of Health Policy and Management, Johns Hopkins School of Public Health, Center for Population Health Information Technology, Baltimore, MD HealthPartners, Health Informatics Division, Bloomington, […]
Abstract The increasing challenge of multiple chronic diseases (multimorbidity) requires more evidence-based knowledge and effective practice. In order to better understand the existing evidence on […]
BACKGROUND: Older patients undergoing emergency general surgery (EGS) experience high rates of postoperative morbidity and mortality. Studies focused primarily on elective surgery indicate that frailty […]
OBJECTIVES: To determine the extent of agreement between four commonly used definitions of multiple chronic conditions (MCCs) and compare each definition’s ability to predict 30-day […]
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 […]
IMPORTANCE There have been concerns raised by patients and regulatory agencies regarding serious psychiatric adverse effects associated with 5α-reductase inhibitors. OBJECTIVE To determine if there […]
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 […]
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 To address the challenging health care needs of the population served by an urban academic medical center, we developed the Johns Hopkins Community Health […]
BACKGROUND The prognostic importance of high-density lipoprotein cholesterol (HDL-C) as a specific risk factor for cardiovascular (CV) disease has been challenged by recent clinical trials […]
Objective: In 2001, the province of Ontario expanded cancer genetic testing eligibility to include all women with high-grade serous ovarian carcinoma (HGSC) of the ovary, […]
Working Paper 150004. Toronto, ON, Canada: Canadian Centre for Health Economics. Canadian Centre for Health Economics, Toronto, ON, Canada Objective: to examine the extent of […]
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 […]
Introduction: Active surveillance (AS) is a strategy for the management of low-risk prostate cancer (PCa). However, few studies have assessed the uptake of AS at […]
Background: Over the past decade, annual heath exams have been de-emphasized for the general population but emphasized for adults with intellectual and developmental disabilities (IDD). […]
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 […]
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 […]
JAMA Surg. University of Ottawa, Ottawa, ON, Canada; Institute for Clinical Evaluative Sciences, Ottawa, ON, Canada; Ottawa Hospital, Ottawa, ON, Canada; Ottawa Hospital Research Institute, […]
Santelices C E, Muñoz P F, Muñiz P, Rojas J. BACKGROUND: Health care must be provided with strong primary health care models, emphasizing prevention and a […]
Med Care 54:277-286. University of Ottawa, Ottawa, ON, Canada; Institute of Clinical Evaluative Sciences, Ottawa, ON, Canada; Queen’s University, Kingston, ON, Canada; Monash University, Clayton, […]
Santelices C E, Muñoz P F, Muñiz P, Rojas J. BACKGROUND: Health care must be provided with strong primary health care models, emphasizing prevention and 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 […]
Am J Hypertens University of Wisconsin School of Medicine and Public Health, Madison, WI, USA; Veterans Affairs Pittsburgh Healthcare System , Pittsburgh, PA, USA; University […]
CMAJ Western University, London, ON, Canada; London Health Sciences Centre, London, ON, Canada; Institute for Clinical Evaluative Sciences (ICES) Western, London, ON, Canada BACKGROUND: Many […]
Ann Intern Med 164:395-405. Weill Cornell Medical College, New York, NY, USA BACKGROUND: Effects of the patient-centered medical home (PCMH) are unclear. Previous studies had […]
JAMA Pediatr 170:148-154. Children’s Hospitals and Clinics of Minnesota, Minneapolis, MN, USA IMPORTANCE: Little is known about the effect of pediatric accountable care organizations (ACOs) […]
Can J Diabetes 40:35-42. University of Alberta, Edmonton, AB, Canada; Institute for Clinical Evaluative Sciences, Toronto, ON, Canada; Women’s College Hospital, Toronto, ON, Canada; McMaster […]
Background: Higher primary care physician supply is associated with lower mortality due to heart disease, cancer and stroke, but its relation to diabetes care and […]
OBJECTIVES: To evaluate the effects of postoperative rehabilitation on the outcomes of older adults with dementia who experienced hip fracture. DESIGN: Retrospective cohort study. SETTING: […]
Ann Fam Med 14:26-33. University of Ottawa, Ottawa, ON, Canada; Institute for Clinical Evaluative Sciences, Ottawa, ON, Canada; Institute for Clinical Evaluative Sciences, Toronto, ON, […]
Cancer Epidemiol Biomarkers Prev 25:507-512. University Health Network, Toronto, ON, Canada; University of Toronto, Toronto, ON, Canada; Women’s College Hospital, Toronto, ON, Canada; Institute of […]
Circ Cardiovasc Qual Outcomes 9:23-30. Johns Hopkins University Baltimore, MD, USA; Yale School of Medicine, New Haven, CT, USA; University of Colorado, Aurora, CO, USA; […]
PLoS One 10:e0145233. University of Bergen, Bergen, Norway; Norwegian Centre for Minority Health Research, Oslo, Norway; Aragón Health Sciences Institute (IACS), Zaragoza, Spain; Carlos III […]
Ann Neurol 79:32-41. University of Toronto, Toronto, ON, Canada; Sunnybrook Health Sciences Centre, Toronot, ON, Canada; Institute of Health Policy, Management and Evaluation at the […]
Scand J Public Health Blekinge Institute of Technology, Karlskrona, Sweden; Lund University, Lund, Sweden; Linnaeus University, Växjö, Sweden BACKGROUND AND AIMS: Pain is common in […]
JAMA Surg :1-9. Western University, London, ON, Canada; Institute for Clinical Evaluative Sciences, London, ON, Canada; Hamad Medical Corporation, Doha, Qatar IMPORTANCE: Synthetic mesh slings […]
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 […]
Arch Phys Med Rehabil 96:e15. Toronto Rehabilitation Institute, Toronto, ON, Canada Objective(s): To describe key demographic and acute care characteristics of patients admitted with a […]
Arch Phys Med Rehabil 96:e18. Toronto Rehabilitation Institute, Toronto, ON, Canada Objective(s): To investigate determinants of change in functional outcomes during inpatient rehabilitation (IR) among […]
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 Clin Psychopharmacol 35:667-671. Institute for Clinical Evaluative Sciences, Toronto, ON, Canada; University of Toronto, Toronto, ON, Canada; St Michael’s Hospital, Toronto, ON, Canada Small […]
BMC Res Notes 8:714. Lyckeby Primary Healthcare Centre and Blekinge Centre of Competence, Lyckeby, Sweden; University of Southern Denmark, Odense, Denmark BACKGROUND: Home health care […]
J Hypertens 33:221-2222. University of Wisconsin School of Medicine and Public Health, Madison, WI, USA; Veterans Affairs Pittsburgh Healthcare System. Pittsburgh, PA, USA; University of […]
Canadian Association for Population Therapeutics Conference, November 2015, Toronto, ON, Canada. A MedsCheck Diabetes (MCD) consultation is a pharmacist-led medication review service funded by the […]
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 […]
2015 North American Primary Care Research Group Annual Meeting, October 2015, Cancun, Mexico. Context: Composite scores (CSs) provide a global measure of quality. CS development […]
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 […]
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; […]
Circ Cardiovasc Qual Outcomes 8:586-592. University of British Columbia, Vancouver, BC, Canada BACKGROUND: The prevalence of the use of secondary prevention cardiovascular medications is lower […]
BMC Geriatr 15:117. Lund University, Malmö, Sweden; Stanford University School of Medicine, Stanford, CA, USA; University of Southern Denmark, Odense C, Denmark BACKGROUND: Although the […]
Arch Phys Med Rehabil 96:e38. University Health Network, Toronto, ON, Canada Objective(s): To determine, by sex, the predictors, types, and direct cost of publicly funded […]
PLoS One 10:e0138907. University of Toronto, Toronto, ON, Canada; Ontario Institute for Cancer Research/Cancer Care Ontario, Toronto, ON, Canada; Institute for Clinical Evaluative Sciences, Toronto, ON, […]
Ann Fam Med 13:436-445. Bruyère Research Institute, Ottawa, ON, Canada; University of Ottawa, Ottawa, ON, Canada; Ottawa Hospital Research Institute, Ottawa, ON, Canada; Institute for […]
Nurs Econ 33:271-280. University of Texas at Tyler, Tyler, TX, USA; Texas A&M University Health Science Center, Bryan, TX, USA Patients with Type 2 Diabetes […]
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 […]
BMC Public Health 15:737. Lund University, Malmö, Sweden BACKGROUND: Physical activity and healthcare utilization has negative association. However, there appears to be limited knowledge of […]
Medicine 94:e1314. Centro de Salud de Astrabudua (Primary Health Care Center of Astrabudua), Osakidetza (Basque Health Service), Erandio (Bizkaia), Spain; Primary Care Research Unit-Bizkaia, Osakidetza, […]
International Conference for Pharmacoepidemiology (ICPE) – August, 2015 Boston, MA, USA. Background: A MedsCheck Annual (MCA) consultation is a government-funded, medication review service in Ontario, […]
Canadian Pharmacists Journal 148:S27. OBJECTIVES: A MedsCheck Annual (MCA) consultation is a medication review service funded by the Ontario government for people taking three or […]
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 […]
Abstract This paper studies regulated health insurance markets known as exchanges, motivated by the increasingly important role they play in both public and private insurance […]
This online appendix has three sections. The first presents details of the choice model estimation algorithm, as well as additional estimates from our primary specification […]
Commissioning Success :34-36. No abstract. Article a PDF.
Int J Palliat Nurs 21:349-356. McMaster University, Hamilton, ON, Canada BACKGROUND: Little is known about residents of long-term care (LTC) facilities who die of cancer. […]
JAMA Intern Med Johns Hopkins University, Baltimore, MD, USA Importance: Both the overuse of unnecessary medical procedures and poor continuity of care are thought to […]
Popul Health Manag. Intermountain Healthcare, Salt Lake City, UT, USA; University of Minnesota , Minneapolis, MN, USA; Children’s Hospitals and Clinics of Minnesota , Minneapolis, […]
J Gen Intern Med 30:768-776. University of Wisconsin, Madison, WI, USA BACKGROUND: Early hypertension control reduces the risk of cardiovascular complications among patients with diabetes […]
Aten Primaria 48:102-109. Published in Spanish. Hospital Universitario Infanta Sofía, Madrid, España; Unidad Docente Multiprofesional de Atención Familiar y Comunitaria; Madrid, España; Unidad Sistemas de […]
BMC Health Serv Res 15:207. Basque Institute for Healthcare Innovation, Barakaldo, Spain; Osakidetza, Basque Health Service, Erandio, Spain; University of Deusto, Bilbao, Spain BACKGROUND: Hypoglycaemia […]
BMJ Open 5:e007360. Osakidetza Basque Health Service, Erandio, Bizkaia, Spain; University of Deusto, Bilbao, Spain OBJECTIVES: To explain the variability in the frequency of potentially […]
