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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.
Please use the below search box to find articles on specific topics or keywords. You can also use the filters below to refine further.
Med Care 52:557-564. University of Ottawa, Ottawa, ON, Canada; Ottawa Hospital Research Institute, Ottawa, ON, Canada IMPORTANCE: Previous research has demonstrated that patients undergoing elective […]
Anesthesiology 120:1319-1332. Columbia University, New York, NY, USA; University of Western Australia, Perth, Australia; Princess Margaret Hospital for Children, Perth, Australia; New York State Psychiatric […]
BMJ 348:g3284. University of Toronto, Toronto, ON, Canada; Institute for Clinical Evaluative Sciences, Toronto, ON, Canada OBJECTIVES: To identify a cut point in annual surgeon […]
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 […]
Gastroenterology 146:S-171. Background: The incidence of Crohn’s disease (CD) and ulcerative colitis (UC) in the elderly population is reported to be increasing. Comorbid diseases, which […]
Healthc Policy 9:32-47. University of British Columbia Vancouver, BC, Canada BACKGROUND: British Columbia’s primary care reform (initiated in 2002) aims to promote “full-service family practice” […]
Toronto, ON, Canada: Institute for Clinical Evaluative Sciences (internal report). Institute for Clinical Evaluative Sciences, Toronto, ON, Canada Methods: We conducted a population-based cohort study […]
J Am Med Dir Assoc. Queen’s University, Kingston, ON, Canada; Institute for Clinical Evaluative Sciences, Queen’s University, Kingston, ON, Canada; Women’s College Hospital, Toronto, ON, […]
J Gen Intern Med Division of General Internal Medicine and Geriatrics, Northwestern University, Feinberg School of Medicine, Chicago, IL, USA BACKGROUND: Little is known about […]
J Dev Behav Pediatr 35:282-291. Division of Research, Kaiser Permanente Northern California, Oakland, CA, USA OBJECTIVE: To compare the health problems, preventive care utilization, and […]
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 Aff 33:764-769. University of Louisville, Louisville, KY, USA; University of Minnesota, Minneapolis, MN, USA During the past thirty years outpatient surgery has become an […]
Int J Obes 38:113-119. Institute for Clinical Evaluative Sciences, Toronto, ON, Canada; Public Health Ontario, Toronto, ON, Canada; University of Toronto, Toronto, ON, Canada OBJECTIVE: […]
Ann Epidemiol 24:532-537. St. Michael’s Hospital, Toronto, ON, Canada; University of Toronto, Toronto, ON, Canada; Institute for Clinical Evaluative Sciences, Toronto, ON, Canada PURPOSE: We […]
Diabet Med 31:806-812. Women’s College Research Institute, Women’s College Hospital, Toronto, ON, Canada AIMS: There is evidence to suggest that mammography rates are decreased in […]
BMC Public Health 14:329. Department of Clinical Sciences in Malmö, Center for Primary Health Care Research, Lund University, Malmö, Sweden BACKGROUND: It has been reported […]
J Am Med Inform Assoc 22:435-442. Weill Cornell Medical College, New York, NY, USA BACKGROUND: Hospital readmissions are common, costly, and offer opportunities for utilization […]
JAAPA 27:45-49. Duke University School of Medicine, Durham, NC; Veterans Affairs Pittsburgh Healthcare System and University of Pittsburgh School of Pharmacy, Pittsburgh, PA; University of […]
J Am Med Dir Assoc 15:256-260. National Yang-Ming University, Taipei, Taiwan OBJECTIVES: The objective of this study was to evaluate the benefits of influenza vaccination […]
JAAPA 27:45-49. Duke University School of Medicine, Durham, NC; VetUnerans Affairs Pittsburgh Healthcare System and University of Pittsburgh School of Pharmacy, Pittsburgh, PA; University of […]
BMC Psychiatry 14:84. EpiChron Research Group on Chronic Diseases, Aragón Health Sciences Institute (IACS), University Hospital, Zaragoza, Spain BACKGROUND: The epidemiologic study of comorbidities of […]
Working paper no. 2014-06. Toronto, ON, Canada: Canadian Centre for Health Economics. Canadian Centre for Health Economics, Toronto, ON, Canada In this paper we use […]
Appl Clin Inform 5:219-231. Weill Cornell Medical College, New York, NY, USA OBJECTIVE: Relevant patient information is frequently difficult to obtain in emergency department (ED) […]
PLoS One 9:e91286. Women’s College Hospital, Toronto, ON, Canada; University of Toronto, Toronto, ON, Canada; Institute for Clinical Evaluative Sciences, Toronto, ON, Canada BACKGROUND: Because […]
J Health Econ 35C:109-122. University of Bristol, Bristol, UK; University of York, York, UK Models of the determinants of individuals’ primary care costs can be […]
Arthritis Rheumatol 66:488-496. University of Toronto and Women’s College Hospital, Toronto, ON, Canada OBJECTIVE: To determine the relationship between surgeon experience with, and complications following, […]
Rev Esp Salud Publica 88:251-260. Published in Spanish. Centro de Salud de Astrabudua,.Osakidetza (Servicio Vasco de Salud), Erandio. Bizkaia, Spain; Instituto Vasco de Innovación Sanitaria. […]
PLoS One 9:e89787. Basque Health Service, Erandio, Bizkaia, Spain; Basque Institute for Healthcare Innovation, Sondika, Bizkaia, Spain; Universidad Complutense de Madrid, Madrid, Spain; Australian National […]
Ugeskrift for Laeger 176:380-381. Published in Danish. Syddansk University, Odense, Denmark
Health Policy 116:264-272. McGill University, Montreal, QC, Canada; Direction de la santé publique de l’Agence de la Santé et des services sociaux de Montréal, Montreal, […]
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 […]
BMC Public Health 14:161. Primary Health Care Research Centre, Bruyère Research Institute, Ottawa, ON, Canada BACKGROUND: As people diagnosed with HIV and receiving combination antiretroviral […]
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 […]
J Osteoporosis Basque Institute for Healthcare Innovation, Barakaldo, Spain BACKGROUND: The aim of the study was to estimate the prevalence of depression in the population […]
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 […]
Chest 145:272-281. Institute for Clinical Evaluative Sciences; Sunnybrook Research Institute; Sunnybrook Health Sciences Centre; University of Toronto, Toronto, ON, Canada BACKGROUND: The diagnosis of COPD […]
Prepared for Florida Medicaid. Tallahassee, FL, USA: College of Medicine, Florida State University. Florida State University, Tallahassee, FL, USA This report summarizes the final findings […]
Med Care 52:157-163. Department of Health Policy and Management, Johns Hopkins University, Baltimore, MD, USA BACKGROUND: Health care quality is frequently described with measures representing […]
BMC Geriatr 14:9. Queen’s University, Kingston, ON, Canada BACKGROUND: Impairment in activities of daily living (ADL) is an important predictor of outcomes although many administrative […]
BMC Fam Pract 15:16. Institute for Clinical Evaluative Sciences, Toronto, ON, Canada BACKGROUND: Wait times are an important measure of access to various health care […]
Med Care 52:86-92. Harvard University; Harvard Medical School; Harvard Pilgrim Healthcare Institute, Harvard Medical School, Boston, MA, USA BACKGROUND: By shifting a greater share of […]
J Hypertens 32:65-74. University of Wisconsin School of Medicine and Public Health, Madison, WI; Veterans Affairs Pittsburgh Healthcare System and School of Pharmacy, University of […]
J Popul Ther Clin Pharmacol 21:pe120. Background: The aging population in Ontario is accompanied by an increased incidence and prevalence of Alzheimer’s disease (AD). Given […]
Dis Colon Rectum 57:83-90. University of British Columbia, Vancouver, BC, Canada BACKGROUND: Approximately 20% of patients with ulcerative colitis will require surgical treatment. Recent data […]
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 […]
Ann Surg 259:10-15. Sunnybrook Research Institute, Sunnybrook Health Sciences Center; Li Ka Shing Knowledge Institute, St Michael’s Hospital; and ‡Institute for Clinical Evaluative Sciences, Toronto, […]
Background: Home care services use has been proposed as a means of reducing costs in palliative care by decreasing hospital stay without impacting quality of […]
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. […]
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, […]
Vaccine 32:990-995. Clalit Research Institute, Tel Aviv, Israel BACKGROUND: Current pneumococcal vaccine campaigns take a broad, primarily age-based approach to immunization targeting, overlooking many clinical […]
First Annual Report. Baltimore, MD, USA: Maryland Health Care Commission. IMPAQ International, Columbia, MD, USA The Maryland Health Care Commission (MHCC), an agency of the […]
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, […]
Enfermeria Clnica 24:35-43. Published in Spanish. Gerencia del Servicio de Salud de Castilla-La Mancha (SESCAM), Toledo, Spain Castilla-La Mancha Health Service is developing the integration […]
Am Econ Rev 103:2643-2682. University of California, Berkeley, CA, USA This paper investigates consumer inertia in health insurance markets, where adverse selection is a potential […]
J Prim Care Community Health 5:30-35. Mayo Clinic, Rochester, MN, USA. BACKGROUND: The inclusion of mental health issues in the evaluation of multimorbidity generally has […]
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 […]
Kingston, ON, Canada: Queen’s University (masters thesis). Queen’s University, Kingston, ON, Canada BACKGROUND: The amount of time that it takes to get a breast cancer […]
Health Aff 32:1942-1948. University of Wisconsin–Madison, WI, USA; University of Pittsburgh School of Pharmacy, Pittsburgh, PA, USA One approach to the patient-centered medical home, particularly […]
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 […]
J Subst Abuse Treat 46:315-319. Washington State University, Spokane, WA, USA; Group Health Research Institute, Seattle, WA, USA This study assessed the social, demographic and […]
BMC Health Serv Res 13:421. Institut Universitari d’investigació en Atenció Primària Jordi Gol, Barcelona, Spain BACKGROUND: Adjusted clinical groups (ACG®) have been widely used to […]
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 […]
Dunedin, New Zealand: University of Otago (doctoral dissertation). University of Otago, Dunedin, New Zealand BACKGROUND: Comorbidity has an important impact on cancer outcomes, but the […]
Winnipeg, MB, Canada: Manitoba Centre for Health Policy. Manitoba Centre for Health Policy, Winnipeg, MB, Canada The results in this report show clearly that the […]
Health Policy 113:206-215. Institute of Public Health, Centre of Health Economics Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark BACKGROUND: In several […]
BMC Public Health 13:870. Oberri (The Basque Institute for Health Innovation), Sondika, Bizkaia, Spain BACKGROUND: Chronic diseases are posing an increasing challenge to society, with […]
PeerJ 1:e168. Faculty of Pharmacy, University of Manitoba , Winnipeg, MB, Canada BACKGROUND. Psychotropic medications, in particular second-generation antipsychotics (SGAs) and benzodiazepines, have been associated […]
2013 Breast Cancer Symposium. Abstract 128. J Clin Oncol 31 (suppl 26; abstr 128). University of Toronto, Toronto, ON, Canada; St. Michael’s Hospital, Toronto, ON, […]
An Sist Sanit Navar 36:429-339, Published in Spanish. Centro de Salud Astrabudua, Erandio, Spain BACKGROUND: The public telecare service in the Basque Autonomous Community (betiON) […]
Mayo Clin Proc 88:963-969. Division of Primary Care Internal Medicine, Department of Medicine, Mayo Clinic, Rochester, MN, USA OBJECTIVE: To evaluate the participants in the […]
Am J Manag Care 19:725-732. Mayo Clinic, Rochester, MN, USA BACKGROUND: Care coordination is a key component of the patient-centered medical home. However, the mechanism […]
Winnipeg, MB, Canada: Manitoba Centre for Health Policy. Manitoba Centre for Health Policy, Winnipeg, MB, Canada This report provides a snapshot of patients in acute […]
Mil Med 178:986-993. Healthcare Informatics Division, United States Air Force Medical Support Agency, San Antonio, TX, USA Evidence-based articles have demonstrated an increase in diabetes […]
BMJ 346:f2267. Department of Public Health Sciences, School of Public Health, University of Alberta, Edmonton, AB, Canada OBJECTIVE: To determine if the use of sitagliptin […]
Int J Equity Health 12:69. Center of Comparative Effectiveness Research, National Center of Excellence for Clinical Trial and Research, National Taiwan University Hospital, Taipei City, […]
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. […]
J Clin Oncol 31:3069-3075. Princess Margaret Hospital, University Health, Toronto, ON, Canada PURPOSE: To evaluate the association between cumulative duration of metformin use after prostate […]
Health Aff 32:1398-1406. Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA, USA One-third of US workers now have high-deductible health plans, and […]
Br J Gen Pract 63:534-542. Department of Primary Care and Public Health (DPCPH), Imperial College London, London, UK BACKGROUND: More accurate and recent estimates of […]
Med Care 51:639-645. Division of Health Policy and Management, University of Minnesota School of Public Health, Minneapolis, MN, USA BACKGROUND: Prior studies show that men […]
Med Care Res Rev 70:531-541. University of Wisconsin–Madison, WI, USA; University of Pittsburgh School of Pharmacy, Pittsburgh, PA, USA Team-based care involving physician assistants and/or […]
J Natl Cancer Inst 105:1123-1131. Division of Urology, Department of Surgical Oncology, Princess Margaret Hospital, University Health Network, Toronto, ON, Canada BACKGROUND: Metformin is commonly […]
BMC Health Serv Res 13:269. Osakidetza, Basque Health Service, Bilbao, Spain. BACKGROUND: An increase in chronic conditions is currently the greatest threat to human health […]
JAMA Intern Med 173:1175-1185. Institute for Clinical Evaluative Sciences, Toronto, ON, Canada; Department of Medicine, Sunnybrook Health Sciences Centre, Toronto, ON, Canada; Child Health Evaluative […]
Eur J Health Econ 15:599-610. Faculty of Health Sciences, COHERE-Centre of Health Economics Research, Institute of Public Health, University of Southern Denmark, Odense, Denmark BACKGROUND: […]
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 […]
J Rheumatol 40:1736-1741. University of Alberta, Edmonton, AB, Canada; University of Manitoba, Winnipeg, MB; McGill University, Montreal, QC, Canada OBJECTIVE: The quality of glucocorticoid-induced osteoporosis […]
Ann Emerg Med 62:570-577. Institute for Clinical Evaluative Sciences, Toronto, ON, Canada; Division of Emergency Medicine, Department of Medicine, University of Toronto, Toronto, ON, Canada; […]
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 […]
Health Economics Papers 2013:6. Odense, Denmark: University of Southern Denmark. University of Southern Denmark, Odense, Denmark Much research in health economics revolves around the analysis […]
Am J Sports Med 41:2034-2040. University of Toronto Orthopaedic Sports Medicine, Women’s College Hospital, Toronto, ON, Canada BACKGROUND: Factors contributing to recurrent dislocation, revision stabilization, […]
Clin Infect Dis 57:820-827. Institute for Clinical Evaluative Sciences, Toronto, ON, Canada BACKGROUND: Although annual influenza immunization is recommended for adults aged ≥65 years due […]
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 […]
Fam Pract 30:520-524. Bioengineering and Telemedicine Unit, Puerta de Hierro University Teaching Hospital, Majadahonda, Madrid, Spain BACKGROUND: In order to ensure proper management of primary […]
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 […]
Victoria, BC, Canada: Hollander Analytical Services Ltd. This report constitutes a synthesis of findings from the evaluation of the Full Service Family Practice Incentive Program […]
Rev Peru Med Exp Salud Publica 30:308-314. Published in Spanish. Directorate of Planning, Badalona Serveis Assistencials SA, Badalona, Spain Adjusted Clinical Groups (ACG) are risk […]
Winnipeg, MB, Canada: Manitoba Metis Federation. Manitoba Metis Federation, Winnipeg, MB, Canada This report resulted from the need to understand further the findings in the […]
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 […]
J Public Health 36:300-307. Department of Health Policy & Management, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA. BACKGROUND: Incorporating longitudinal information […]
