DOCUMENTS

Documents

Risk adjustment in competitive health plan markets

In: Culyer AJ, Newhouse JP, ed. Handbook of Health Economics, Volume 1. Amsterdam, Netherlands: Elsevier Science B. V.:755-845. Erasmus University, Rotterdam, Netherlands; Boston University, Boston, […]

Equity in health, health care services use and health care financing in British Columbia, 1992 and 2002

Vancouver, BC, Canada: University of British Columbia (doctoral dissertation). University of British Columbia, Vancouver, BC, Canada The objectives of this thesis are to identify equity […]

Work limitations and their relationship with morbidity burden in employed persons with diabetes

Baltimore, MD, USA: Johns Hopkins University (doctoral dissertation). Johns Hopkins University, Baltimore, MD, USA BACKGROUND. Work limitations are functional limitations within the work context resulting […]

The application of Johns Hopkins Adjusted Clinical Group Case-mix System in AFMS

In: Cato W, Roberts WC, ed. Proceedings of the 2011 AFMS Medical Research Symposium, Volume 4. Healthcare Informatics Track. August 2-4, 2011, National Harbor, MD, […]

Morbi-mortality and use of recourses after acute coronary syndrome in a Spanish population

Revista Clinica Espanola 211:560-571. Directorate of Planning, Badalona Serveis Assistencials SA, Badalona, Spain Morbi-mortality and use of recourses after acute coronary syndrome in a Spanish […]

A population-based study of healthcare resource utilization by metastatic gastric cancer patients in Ontario

Kingston, ON, Canada: Queens University (masters theseis). Queens University, Kingston, ON, Canada BACKGROUND: Gastric cancer is the fourth most common cancer in the world. Non-curative, […]

Association between use of a specialized diagnostic assessment unit and the diagnostic interval in Ontario breast cancer patients

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 […]

Comorbidity and healthcare expenditure in women with osteoporosis living in the Basque Country (Spain)

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 […]

The Value of Patient Identification

Johns Hopkins Bloomberg School of Public Health The Value of Patient Identification Karen Kinder, PhD., MBA

One way of measuring morbidity of HA Patients

Hospital Authority One Way of Measuring Morbidity of HA Patients: from Research to Lessons Learnt Dr. Deacons Yeung Chief Manager

ACG 101

DST Health Solutions ACG 10 Lisa Kabasakalian

Applying the ACG System to support case management for the population of Eastern Cheshire

Integral Health Solutions Applying ACGs to care co-ordination, planning and commissioning Bernadette Bailey, Transformation Programme Manager, Eastern Cheshire CCG Jayne Molyneux, Care Co-ordination Advisor, Integral […]

Monday(C1)-Concurrent Resource Use and All Age Modeling – Abrams

Concurrent Resource Use and All Age Modeling – Chad Abrams

Monday(P5)-Understanding Transitions in Morbidity Burden: an Exploratory Analysis

David Linz, MA Robert Reid, MD, PhD  Paul Fishman, PhD 

A Health Plan and the ACG System

At an event celebrating the ACG System receiving the 2015 Health Services Research (HSR) Award from AcademyHealth, Patricia M. C. Brown, Esq., President, Johns Hopkins […]

Data Visualization and Patient Identification – Military

The Defense Health Agency (DHA) supports the delivery of integrated, affordable, and high-quality health services to Military Health System (MHS) beneficiaries and is responsible for […]

Incident atrial fibrillation in the emergency department in Ontario: a population-based retrospective cohort study of follow-up care

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 […]

Comprehensive preventive care assessments for adults with intellectual and developmental disabilities in Ontario – Part 2: 2003-2014

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 […]

Association between method of pelvic organ prolapse repair involving the vaginal apex and re-operation: a population-based, retrospective cohort study

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 […]

Patient-reported symptoms following mastectomy alone or lumpectomy plus radiation for early stage breast cancer: a cohort study

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 […]

Rapid repeat pregnancy among women with intellectual and developmental disabilities: a population-based cohort study

Abstract   BACKGROUND Rapid repeat pregnancy within 12 months of a live birth is associated with adverse perinatal outcomes. We evaluated the risk for rapid […]

Comparing Survey-Based Frailty Assessment to Medicare Claims in Predicting Health Outcomes and Utilization in Medicare Beneficiaries

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 […]

Association of Care Management Intensity With Healthcare Utilization in an All-Condition Care Management Program

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), […]

One-Year Mortality After Emergency Department Visit for Nonfatal Opioid Poisoning: A Population-Based Analysis

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) […]

Colonoscopy resource availability and its association with the colorectal cancer diagnostic interval: A population‐based cross‐sectional study

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 […]

Variation in care of patients with elderly-onset inflammatory bowel disease in Ontario, Canada: A population-based cohort study

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, […]

Mental Health Services Provision in Primary Care and Emergency Department Settings: Analysis of Blended Fee-for-Service and Blended Capitation Models in Ontario, Canada

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 […]

Impact of Frailty on Clinical Outcomes after Carotid Artery Revascularization

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 […]

Health Status of Females Who Experience Incarceration: A Population-Based Retrospective Cohort Study

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 […]

Concurrent hiatal hernia repair and bariatric surgery: outcomes after sleeve gastrectomy and Roux-en-Y gastric bypass

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 […]

Explanatory Ability of the ACG System Regarding the Utilization and Expenditure of the National Health Insurance Population in Taiwan—A 5-year Analysis

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 […]

Impact of Frailty on Clinical and Financial Outcomes Following Minor Lower Extremity Amputation: A Nationwide Analysis

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 […]

Predicting Future Health Risk in COPD: Differential Impact of Disease-Specific and Multi-Morbidity-Based Risk Stratification

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 […]

A Population-Based Analysis of Long-Term Outcomes Among Older Adults Requiring Unexpected Intensive Care Unit Admission After Cancer Surgery

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 […]

Pain and haemorrhage are the most common reasons for emergency department use and hospital admission in adults following ambulatory surgery: results of a population-based cohort study

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 […]

Intensive Use of Forensic Inpatient Services by People with Intellectual and Developmental Disabilities in Ontario, Canada: Prevalence and Associated Characteristics

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 […]

Outcomes of SARS-CoV-2 infection in cancer versus non-cancer-patients: A population-based study in northeastern Italy

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 […]

The impact of frailty on adjuvant treatment in patients with head and neck free flap reconstruction—A retrospective study using two independent frailty scores

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, […]

Improving Prediction of Risk of Admission to Long-Term Care or Mortality Among Home Care Users With IDD

ABSTRACT Background Frailty is an established predictor of admission into long-term care (LTC) and mortality in the elderly population. Assessment of frailty among adults with […]

Case Finding and Population Profiling

This webinar focuses on a project undertaken in Slough Clinical Commissioning Group where information from the ACG System was used to profile the population of […]

Leveraging Prescription Data to Derive Future Costs and Predictors Regarding Opioid Abuse Patients

Presented by: David Bodycombe, ScD, MSc

Director ACG System Research

This Webinar describes his study, which created and assessed three measures of high-risk opioid use, presents results supporting the utility of these measures, and describes how the resulting measures are being deployed within the ACG System. Learn More.

Risk prediction models to predict emergency hospital admission in community-dwelling adults: a systematic review

Med Care 52:751-756. Centre for Primary Care Research, Royal College of Surgeons in Ireland, Dublin, Ireland BACKGROUND: Risk prediction models have been developed to identify […]

Frequent attenders in general practice and immigrant status in Norway: A nationwide cross-sectional study

Scand J Prim Health Care 32:232-240. Department of Global Public Health and Primary Care, University of Bergen, Norway OBJECTIVE: To compare the likelihood of being […]

Drugs prescribed by general practitioners according to age, gender and socioeconomic status after adjustment for multimorbidity level

BMC Fam Pract 15:183. Department of Clinical Sciences in Malmö, Center for Primary Health Care Research, Lund University, Malmö, Sweden BACKGROUND: Age, gender and socioeconomic […]

Direct medical costs attributable to venous thromboembolism among persons hospitalized for major operation: a population-based longitudinal study

Surgery 157:423-451. Mayo Clinic, Rochester, MN, USA; K Long Health Economics Consulting LLC, St. Paul, MN, USA BACKGROUND: We estimated medical costs attributable to venous […]

Preventive counseling services during primary care visits: a comparison of health centers versus other physician offices

J Health Care Poor Underserved 26:519-535. Johns Hopkins University, Baltimore, MD, USA We compared preventive counseling services provided by health centers versus other physician offices. […]

A comprehensive assessment of family physician gender and quality of care: a cross-sectional analysis in Ontario, Canada

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, […]

Prescription stimulant use and hospitalization for psychosis or mania: a population-based study

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 […]

Risk of cardiovascular events and mortality among a population-based cohort of immigrants and long-term residents with diabetes: Are all immigrants healthier and if so, for how long?

Am Heart J 170:123-132. University Health Network, Toronto, ON, Canada; Mount Sinai Hospital, Toronto, ON, Canada; Institute for Clinical Evaluative Sciences, Toronto, ON, Canada; University […]

Pain among older adults from a gender perspective: findings from the Swedish National Study on Aging and Care (SNAC-Blekinge)

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 […]

Ethnic disparities in care following acute coronary syndromes among Asian Americans and Pacific Islanders during the initial hospitalization

Cell Mol Biol 47:1209-1215. Hawaii Medical Service Association, Care Management, Honolulu, HI, USA Despite the fact that Asian Americans and Pacific Islanders are the fastest […]

Changes in health care costs over time following the cessation of intimate partner violence

J Gen Intern Med 25:920-925. Group Health Research Institute, Seattle, WA, USA BACKGROUND: Research has documented greater health care costs attributable to intimate partner violence […]

Universal health insurance and equity in primary care and specialist office visits: a population-based study

Ann Fam Med 7:396-405. Institute for Clinical Evaluative Sciences, Toronto, ON, Canada PURPOSE: Universal coverage of physician services should serve to reduce socioeconomic disparities in […]

Geographic variation in primary care visits in Iowa.

Health Serv Res 30:657-671. Graduate Program in Hospital and Health Administration, University of Iowa, Iowa City, IA, USA. OBJECTIVE: This study investigates the determinants of […]

Coding algorithms for defining comorbidities in ICD-9-CM and ICD-10 administrative data

Med Care 43:1130-1139. Department of Community Health Sciences, University of Calgary, Calgary, AB, Canada OBJECTIVES: Implementation of the International Statistical Classification of Disease and Related […]

Epidemiology and impact of multimorbidity in primary care: a retrospective cohort study

Br J Gen Pract 61:e12-e21. Department of Community Medicine, University of Bristol, Bristol, UK BACKGROUND: In developed countries, primary health care increasingly involves the care […]

Predictive modeling in practice: improving the participant identification process for care management programs using condition-specific cut points

Popul Health Manag 14:205-210. Research and Development Unit, Johns Hopkins HealthCare LLC, Glen Burnie, MD, USA The objective of this study was to optimize predictive […]

Fracture risk from psychotropic medications: a population-based analysis

J Clin Psychopharmacol 28:384-391. Department of Psychiatry, University of Manitoba, Winnipeg, MB, Canada BACKGROUND: Selective serotonin reuptake inhibitors (SSRIs), benzodiazepines, and antipsychotics have each been […]

Ankle fractures do not predict osteoporotic fractures in women with or without diabetes

Osteoporos Int 23:957-962. Faculty of Health Sciences, McMaster University, Hamilton, ON, Canada It is not clear whether ankle fractures predict future osteoporotic fractures in women, […]

The role of provider continuity in preventing hospitalizations

Arch Fam Med 7:352-357. Department of Family and Community Medicine, Christiana Care Health System, Wilmington, DE, USA OBJECTIVES: To examine the association between provider continuity […]

The effect of distance to primary care physician on health care utilization and disease burden

Health Care Manage Rev 32:22-29. University of Michigan Medical School, Ann Arbor, USA. BACKGROUND: The relationship of distance to care with total health care utilization […]

Case mix measures for ambulatory care

J Public Health Med 13:189-197. University of Newcastle upon Tyne, School of Health Care Sciences, Medical School, Newcastle, UK Resource management in Ambulatory Care is […]

Performance of diagnosis-based risk adjustment measures in a population of sick Australians

Aust N Z J Public Health 26:500-507. Faculty of Health Sciences, School of Public Health, La Trobe University, Victoria, Australia OBJECTIVE: Australia is beginning to […]

Morbidity profiles at three primary care clinics in Perlis, Malaysia

Med J Malaysia 67:363-368. Ministry of Health, Kangar Health Clinic, Jalan Kolam, Kangar, Perlis, Malaysia Allocation of funding within the Ministry of Health of Malaysia […]

Healthcare utilization in patients with Parkinson’s disease: a population-based analysis

Parkinsonism Relat Disord 18:930-935. Movement Disorder Clinic, 200 Woodlawn Street, Winnipeg, MB, Canada PURPOSE: To investigate factors associated with healthcare utilization and prescription drug use […]

Referral of children to specialists in the United States and the United Kingdom

Arch Pediatr Adolesc Med 157:279-285. Department of Health Policy and Management, Health Services Research and Development Center, Bloomberg School of Public Health, Johns Hopkins University, […]

Is quality free? The relationship between cost and quality across 18 provider groups

Am J Manag Care 8:413-422. HealthPartners Research Foundation, Minneapolis, MN, USA OBJECTIVE: To learn whether the healthcare costs for patients of various care delivery systems […]

A patient classification system for our primary care: the Ambulatory Care Groups (ACGs)

Gac Sanit 11:83-94. Published in Spanish. Unitat d’Investigació Centre del Institut Catalá de la Salut, Barcelona, Spain OBJECTIVES: The ambulatory care groups (ACGs) were developed […]

Influence of morbidity, metabolic control, and use of resources in subjects with cardiovascular risk in the primary care setting

Aten Primaria 40:447-454. Published in Spanish. Dirección de Planificación y Desarrollo Organizativo. Badalona Serveis Assistencials S.A. Badalona. Barcelona. España OBJECTIVE: To determine the comorbidity, the […]

Complexity and continuity of treatments among privately insured youth diagnosed with bipolar disorder

Front Psychiatry 1:144. Health Services and Population Research Department, Institute of Psychiatry, King’s College London, London, UK OBJECTIVES: To examine longitudinal patterns of complexity, continuity, […]

Cognitive and behavioral outcomes after early exposure to anesthesia and surgery

Pediatrics 128:e1053-e1061. Erratum in: Pediatrics. 2012 Mar;129(3):595. Department of Anesthesiology, College of Medicine, Mayo Clinic, Rochester, MN, USA BACKGROUND: Annually, millions of children are exposed […]

Use and costs of medical care for children and adolescents with and without attention-deficit/hyperactivity disorder

JAMA 285:60-66. Department of Health Sciences Research, Mayo Clinic, Rochester, MN, USA CONTEXT: A shortage of data exists on medical care use by persons with […]

Use of other opioids during methadone therapy: a population-based study

Addiction 107:776-780. Institute for Clinical Evaluative Sciences, Toronto, ON, Canada AIMS: To determine the extent to which other opioids are prescribed to patients receiving methadone […]

Adaptive capacity of the Adjusted Clinical Groups Case-Mix System to the cost of primary healthcare in Catalonia (Spain): a observational study

BMJ Open 2:2012-000941. Directorate of Planning, Badalona Serveis Assistencials SA, Badalona, Barcelona, Spain OBJECTIVES: To describe the adaptive capacity of the Adjusted Clinical Groups (ACG) […]

Estimating diabetes prevalence in the Military Health System population from 2006 to 2010

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 […]

Glycemic control associated with secure patient-provider messaging within a shared electronic medical record: a longitudinal analysis

Diabetes Care 36:2726-2733. University of Washington School of Public Health, Seattle, WA, USA; Harvard School of Public Health, Boston, MA, USA; Group Health Research Institute, […]

Direct health-care costs attributed to hip fractures among seniors: a matched cohort study

Osteoporos Int 24:659-669. Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, Canada SUMMARY: Using a matched cohort design, we estimated the mean direct […]

Predictors of dislocation and revision after shoulder stabilization in Ontario, Canada, from 2003 to 2008

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, […]

Estimating Demand for Care After a Medicaid Expansion: Lessons From Oregon

J Ambul Care Manage. Kaiser Permanente Northwest Center for Health Research, Portland, OR; Oregon Health and Science University, Portland, OR, USA To estimate how the […]

Characteristics of adult primary care patients as predictors of future health services charges

Med Care 39:1170-1181. Department of Community and Family Medicine, Duke University Medical Center, Durham, NC, USA BACKGROUND: Utilization risk assessment is potentially useful for allocation […]

The patient-centered medical home, electronic health records, and quality of care

Ann Intern Med 160:741-749. Weill Cornell Medical College, New York, NY, USA BACKGROUND: The patient-centered medical home (PCMH) model of primary care is being implemented […]

Relationship between pain and quality of life – findings from the Swedish National Study on Aging and Care – Blekinge study

Scand J Pain 5:270-275. Blekinge Institute of Technology, Karlskrona, Sweden; Lund University, Lund, Sweden; Linnaeus University, Växjö, Sweden BACKGROUND AND AIMS: The influence of pain […]

MEDS-AD Waiver (MTM) Program final report

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 […]

Change in functional outcomes during inpatient rehabilitation for patients with hypoxic-ischemic brain injury

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 […]

Performance of an ambulatory case-mix measurement in primary care in Spain: Ambulatory Care Groups (ACGs)

Eur J Public Health 9:27-35. Unitat d’Investigació Centre del Institut Catalá de la Salut, Barcelona, Spain BACKGROUND: Patient classification systems based on the defining of […]

ACG use in Veterans Administration in Taiwan: final report

Taipei, Taiwan: Veterans General Hospital Taipei. Published in Chinese. Department of Medical Affairs and Planning, Taipei Veterans General Hospital, Taipei City, Taiwan, ROC The goal […]

Sex differences in health status, health care use and quality of care: a population-based analysis for Manitoba’s regional health authorities

Winnipeg, MB, Canada: Manitoba Centre for Health Policy. Manitoba Centre for Health Policy, Department of Community Health Sciences, Faculty of Medicine, University of Manitoba, Winnipeg, […]

A comparison of alternative approaches to risk measurement

Final report, grant number 93-G07, Physician Payment Review Commission. Minneapolis, MN, USA: Park Nicollet Medical Foundation. Park Nicollet Medical Foundation, Minneapolis, MN, USA Under health […]

ACGs: ambulatory care groupings for case-mix categorization

Final report for grant #HS05505, National Center for Health Care Research/Health Care Technology Assessment. Baltimore, MD, USA: Johns Hopkins University. Johns Hopkins University, Baltimore, MD, […]

CYDL Project One summary report: experiences of Albertan youth 2008/2009

Child and Youth Data Laboratory. Edmonton, AB, Canada: Centre for Child, Family and Community Research. Site also has videos of presentations of report data. Centre […]

A study of population needs-based funding applied to health care and physician services in British Colulmbia

Vancouver, BC, Canada: University of British Columbia (masters thesis). University of British Columbia, Vancouver, BC, Canada The BC Ministry of Health has developed a Population […]

Evaluation of the Medicaid Value Program: health supports for consumers with chronic conditions

Hamilton, NJ, USA: Center for Health Care Strategies. Center for Health Care Strategies, Hamilton, NJ, USA The Center for Health Care Strategies’ (CHCS) Medicaid Value […]

Chapter 5: Antihypertensive adherence and drug class among Asian Pacific Americans

In: Bateman WB – Abesamis-Mendoza J – Ho-Asjoe H – ed. Praeger handbook of Asian-American health: taking notice and taking action. Santa Barbara CA USA: […]

Adherence with lipid-lowering, antihypertensive, and diabetes medications

Am J Pharm Benefits 3:165-171. Hawaii Medical Service Association, Honolulu, HI, USA OBJECTIVES: To investigate the combinations of medications patients were taking, the study examined […]

Adaptation of the categories Johns-Hopkins ACG Case-Mix System in primary healthcare: a longitudinal, retrospective claim database study

WebmedCentral ECONOMICS OF MEDICINE 2:WMC001657. Directorate of Planning, Badalona Serveis Assistencials SA, Badalona, Spain BACKGROUND: To determine the adaptation capacitating of categories case-mix adjustment (Adjusted […]

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