A Comparison Between the Rates of Radiation Oncologist and Urologist Consultations in Men Diagnosed With Prostate Cancer in Northern Ontario, Canada 著者: Stacey A. Santi, PhD, Joseph M. Caswell, PhD, Ananya S. Beruar, MD, M.S.C. Conlon, PhD, Ryan G. Carlson, MD, Andrew G. Pearce, MD

“…Methods and Materials: Administrative health care databases were used to analyze the number of consultations billed to the Ontario Health Insurance Plan from radiologists and urologists who treated men with a first prostate cancer diagnosis (n = 22,169). …”
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Unmasking legislative constraints: An institutional ethnography of linkage and engagement in HIV healthcare for African, Caribbean, and Black people in Ontario, Canada 著者: Apondi J. Odhiambo, Lisa Forman, LaRon E. Nelson, Patricia O’Campo, Daniel Grace

“…Troubling encounters with immigration and public health state agents and healthcare legislative barriers including difficulty finding a physician, the 3-month waiting period under the Ontario Health Insurance Plan (OHIP), long wait times, lack of drug coverage, and stigma, discrimination, and anti-Black racism shaped and affected Black people’s linkage and engagement in HIV care. …”
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Protocol for a cluster randomized study to compare the effectiveness of a self-report distress tool and a mental health referral service to usual case management on program complet... 著者: Shawna Bailey, Carrie Stoner, Kelly Cruise, Giulio DiDiodato

“…<h4>Participants</h4>Students enrolled in Community Builder's Trades & Diversity Training Program in either the city of Barrie or Sudbury (in Ontario, Canada) will be eligible for enrollment if they have an active Ontario Health Insurance Plan number and Canadian Social Insurance Number and provide written informed consent prior to Training program commencement.…”
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Evaluation of Chronic Pain Patient Healthcare Costs before and after a Tele-Education Intervention for Primary Care Providers in Underserved Communities 著者: Dominika Bhatia, Jane Zhao, Ralph Fabico, John Flannery, Garry Salisbury, Andrea Furlan

“…Methods: We conducted a single-group before-and-after study using routinely-collected Ontario Health Insurance Plan administrative claims data between April 1, 2011 and March 31, 2018. …”
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Unmasking legislative constraints: An institutional ethnography of linkage and engagement in HIV healthcare for African, Caribbean, and Black people in Ontario, Canada. 著者: Apondi J Odhiambo, Lisa Forman, LaRon E Nelson, Patricia O'Campo, Daniel Grace

“…Troubling encounters with immigration and public health state agents and healthcare legislative barriers including difficulty finding a physician, the 3-month waiting period under the Ontario Health Insurance Plan (OHIP), long wait times, lack of drug coverage, and stigma, discrimination, and anti-Black racism shaped and affected Black people's linkage and engagement in HIV care. …”
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Seasonality of primary care utilization for respiratory diseases in Ontario: A time-series analysis 著者: Nie Jason X, Moineddin Rahim, Domb Gabrielle, Leong Alan M, Upshur Ross EG

“…Data were extracted from the Ontario Health Insurance Plan database for people who had diagnosis codes for chronic obstructive pulmonary disease, asthma, pneumonia, or upper respiratory tract infections.…”
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Cost-comparison analysis of diffusion weighted magnetic resonance imaging (DWMRI) versus second look surgery for the detection of residual and recurrent cholesteatoma 著者: David L. Choi, Michael K. Gupta, Ryan Rebello, Jason D. Archibald

“…Cost inputs were obtained from the Ontario Case Costing Initiative, the Ontario Health Insurance Plan (OHIP) schedule of benefits. Costs were reported in Canadian dollars and a payer perspective was adopted. …”
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Geographical discrepancy in oral food challenge utilization based on Canadian billing data 著者: Ala El Baba, Samira Jeimy, Lianne Soller, Harold Kim, Philippe Begin, Edmond S. Chan

“…Methods Anonymized OFC billing data were obtained between 2013 and 2017 from Ontario Health Insurance Plan (OHIP) and Régie de l'Assurance Maladie du Québec (RAMQ). …”
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Age and sex-related comparison of referral-based telemedicine service utilization during the COVID-19 pandemic in Ontario: a retrospective analysis 著者: Hubert Wong, Yasmeen Razvi, Muhammad Akhter Hamid, Niraj Mistry, Guido Filler

“…Methods A retrospective analysis of all referral-based ambulatory telemedicine services in Ontario from November 2019 to June 2021 was collected from the Ontario Health Insurance Plan (OHIP) billing database. Only fee-for-service billings were included in the present analysis. …”
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A population-based study of ambulatory and surgical services provided by orthopaedic surgeons for musculoskeletal conditions 著者: Davis Aileen M, MacKay Crystal, Canizares Mayilee, Mahomed Nizar, Badley Elizabeth M

“…</p> <p>Methods</p> <p>Administrative data from the Ontario Health Insurance Plan and Canadian Institute for Health Information hospital separation databases for the 2005/06 fiscal year were used to identify individuals accessing orthopaedic services in Ontario, Canada. …”
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Internal and External Data Linkage of Complex Relational Database: Results from CorHealth Ontario 著者: Jiming Fang, Feng Qiu, Xuesong Wang, Hadas Fischer, Jack Tu

“…Linking to Discharge Abstract Database (DAD), we can get the hospital length of stay and the episode of care of hospital transfer for each procedure; linking to The Ontario Health Insurance Plan database (OHIP), we can find the graft numbers and vessel types of Coronary Artery Bypass Graft. …”
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Trends in Socioeconomic Inequalities in Hypertension in Ontario, Canada, 2000-2012 著者: Simran Shokar, Laura Rosella, Peter Smith, Hong Chen, Heather ChenManson, Jack Tu, Brendan Smith

“…A pooled cross-sectional study was conducted using data from 6 Canadian Community Health Surveys linked to the Discharge Abstract Database and Ontario Health Insurance Plan data (n=121,390 over 35 years, 54\% female). …”
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Designing and Implementing a Privacy Preserving Record Linkage Protocol 著者: Tom Gee, Brendan Behan, Shannon Lefaivre, Mahmoud Azimaee, Moyez Dharsee, Khaled El Emam, Julie Yang, Anthony Vaccarino, Kenneth Evans, J. Charles Victor, Elizabeth Theriault

“…Objectives and Approach Within Ontario, the majority of individuals who access the healthcare system have a unique identifier, the Ontario Health Insurance Plan (OHIP) number. The OHIP number can facilitate linkages with administrative data holdings, such as those at the Institute for Clinical Evaluative Sciences (ICES). …”
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Clinical and economic impact of a community-based, hybrid model of in-person and virtual care in a Canadian rural setting: a cross-sectional population-based comparative study 著者: Richard H Glazier, Michael Green, Lise M Bjerre, Jonathan P Fitzsimon, Christopher Belanger, Cayden Peixoto, Roshanak Mahdavi, Lesley Plumptre

“…Objectives To determine the clinical and economic impact of a community-based, hybrid model of in-person and virtual care by comparing health-system performance of the rural jurisdiction where this model was implemented with neighbouring jurisdictions without such a model and the broader regional health system.Design A cross-sectional comparative study.Setting Ontario, Canada, with a focus on three largely rural public health units from 1 April 2018 until 31 March 2021.Participants All residents of Ontario, Canada under the age of 105 eligible for the Ontario Health Insurance Plan during the study period.Interventions An innovative, community-based, hybrid model of in-person and virtual care, the Virtual Triage and Assessment Centre (VTAC), was implemented in Renfrew County, Ontario on 27 March 2020.Main outcome measures Primary outcome was a change in emergency department (ED) visits anywhere in Ontario, secondary outcomes included changes in hospitalisations and health-system costs, using per cent changes in mean monthly values of linked health-system administrative data for 2 years preimplementation and 1 year postimplementation.Results Renfrew County saw larger declines in ED visits (−34.4%, 95% CI −41.9% to −26.0%) and hospitalisations (−11.1%, 95% CI −19.7% to −1.5%) and slower growth in health-system costs than other rural regions studied. …”
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Prediction of risk of prolonged post-concussion symptoms: Derivation and validation of the TRICORDRR (Toronto Rehabilitation Institute Concussion Outcome Determination and Rehab Re... 著者: Laura Kathleen Langer, Seyed Mohammad Alavinia, David Wyndham Lawrence, Sarah Elizabeth Patricia Munce, Alice Kam, Alan Tam, Lesley Ruttan, Paul Comper, Mark Theodore Bayley

“…A limitation of this study was ability to track healthcare usage only to healthcare providers that submit to Ontario Health Insurance Plan (OHIP); thus, some patients seeking treatment for prolonged symptoms may not be captured in this analysis.…”
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COVID-19 vaccine uptake among Ontario physicians: a descriptive population-based retrospective cohort study 著者: Manish M Sood, Amit X Garg, Peter Tanuseputro, Eric McArthur, Jessica M Sontrop, Kevin L Schwartz, Daniel T Myran, Cheng-Wei Liu, Nivethika Jeyakumar

“…Physicians who were out of province, had not accessed Ontario Health Insurance Plan-insured services for their own care for ≥5 years and those with missing identifiers were excluded.Primary and secondary outcome measures Primary outcomes were the proportions of physicians who were recorded to have received at least one, at least two and three doses of a Health Canada-approved COVID-19 vaccine by study end date. …”
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Using Administrative Data to Explore Potentially Aberrant Provision of Virtual Care During COVID-19: Retrospective Cohort Study of Ontario Provincial Data 著者: Vess Stamenova, Cherry Chu, Andrea Pang, Mina Tadrous, R Sacha Bhatia, Peter Cram

“…MethodsWe conducted a population-based, retrospective cohort study using health administrative data from the Ontario Health Insurance Plan, which was linked to the ICES Physician Database. …”
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Community trial evaluating the integration of Indigenous healing practices and a harm reduction approach with principles of seeking safety in an Indigenous residential treatment pr... 著者: K. A. Morin, T. N. Marsh, C. Eshakakogan, J. K. Eibl, M. Spence, G. Gauthier, J. D. Walker, Dean Sayers, Alan Ozawanimke, Brent Bissaillion, D. C. Marsh

“…The program data were linked to health administration data, including the Ontario Health Insurance Plan (OHIP) physician billing, the Registered Persons Database (RPDB), the National Ambulatory Care Reporting System (NACRS), and the Discharge Abstract Database (DAD). …”
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Sex-differences in the risk of carpal tunnel syndrome: results from a large Ontario, Canada worker cohort 著者: Fanni R. Eros, Paul A. Demers, Jeavana Sritharan

“…CTS cases were identified from physician billing (Ontario Health Insurance Plan) records and defined as at least one record for CTS surgery (fee code N290) between 2002 and 2020. …”
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Performance and Cost-Effectiveness of Computed Tomography Lung Cancer Screening Scenarios in a Population-Based Setting: A Microsimulation Modeling Analysis in Ontario, Canada. 著者: Kevin Ten Haaf, Martin C Tammemägi, Susan J Bondy, Carlijn M van der Aalst, Sumei Gu, S Elizabeth McGregor, Garth Nicholas, Harry J de Koning, Lawrence F Paszat

“…<h4>Methods and findings</h4>This study used microsimulation modeling informed by various data sources, including the Ontario Health Insurance Plan (OHIP), Ontario Cancer Registry, smoking behavior surveys, and the NLST. …”
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