Table of Contents

Research

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  Assessing the scalability of innovations in primary care: a cross-sectional study

  Ali Ben Charif, Hervé Tchala Vignon Zomahoun, José Massougbodji, Lobna Khadhraoui, Maxine Dumas Pilon, Elise Boulanger, Amédé Gogovor, Marie-Josée Campbell, Marie-Ève Poitras and France Légaré

  October 03, 2020 8 (4) E613-E618; DOI: https://doi.org/10.9778/cmajo.20200030
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  Temporal and spatial effect of air pollution on hospital admissions for myocardial infarction: a case-crossover study

  Xiaoxiao Liu, Stefania Bertazzon, Paul J. Villeneuve, Markey Johnson, Dave Stieb, Stephanie Coward, Divine Tanyingoh, Joseph W. Windsor, Fox Underwood, Michael D. Hill, Doreen Rabi, William A. Ghali, Stephen B. Wilton, Matthew T. James, Michelle Graham, M. Sean McMurtry and Gilaad G. Kaplan

  October 09, 2020 8 (4) E619-E626; DOI: https://doi.org/10.9778/cmajo.20190160
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  Heterogeneity in testing, diagnosis and outcome in SARS-CoV-2 infection across outbreak settings in the Greater Toronto Area, Canada: an observational study

  Linwei Wang, Huiting Ma, Kristy C.Y. Yiu, Andrew Calzavara, David Landsman, Linh Luong, Adrienne K. Chan, Rafal Kustra, Jeffrey C. Kwong, Marie-Claude Boily, Stephen Hwang, Sharon Straus, Stefan D. Baral and Sharmistha Mishra

  October 09, 2020 8 (4) E627-E636; DOI: https://doi.org/10.9778/cmajo.20200213
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  Genetic testing in families with hereditary colorectal cancer in British Columbia and Yukon: a retrospective cross-sectional analysis

  Vivienne K. Beard, Angela C. Bedard, Jennifer Nuk, Petra W.C. Lee, Quan Hong, James E.J. Bedard, Sophie Sun and Kasmintan A. Schrader

  October 19, 2020 8 (4) E637-E642; DOI: https://doi.org/10.9778/cmajo.20190167
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  Influence of the definition of rurality on geographic differences in HIV outcomes in British Columbia: a retrospective cohort analysis

  Denise Jaworsky, Mona Loutfy, Michelle Lu, Monica Ye, Andreea Bratu, Paul Sereda, Ahmed Bayoumi, Lisa Richardson, Ayelet Kuper and Robert S. Hogg; for the Comparative Outcomes and Service Utilization Trends (COAST) Study

  October 19, 2020 8 (4) E643-E650; DOI: https://doi.org/10.9778/cmajo.20200066
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  Pertussis vaccination in pregnancy in Canada: a cost-utility analysis

  Bahaa Abu-Raya, Doug Coyle, Julie A. Bettinger, Wendy Vaudry, Scott A. Halperin and Manish Sadarangani; for members of the Canadian Immunization Monitoring Program, ACTive (IMPACT)

  October 19, 2020 8 (4) E651-E658; DOI: https://doi.org/10.9778/cmajo.20200060
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  Regional health care services and rates of lower extremity amputation related to diabetes and peripheral artery disease: an ecological study

  Charles de Mestral, Mohamad A. Hussain, Peter C. Austin, Thomas L. Forbes, Atul Sivaswamy, Ahmed Kayssi, Konrad Salata, Harindra C. Wijeysundera, Subodh Verma and Mohammed Al-Omran

  October 27, 2020 8 (4) E659-E666; DOI: https://doi.org/10.9778/cmajo.20200048
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  Nurse home visiting and prenatal substance use in a socioeconomically disadvantaged population in British Columbia: analysis of prenatal secondary outcomes in an ongoing randomized controlled trial

  Nicole L.A. Catherine, Michael Boyle, Yufei Zheng, Lawrence McCandless, Hui Xie, Rosemary Lever, Debbie Sheehan, Andrea Gonzalez, Susan M. Jack, Amiram Gafni, Lil Tonmyr, Lenora Marcellus, Colleen Varcoe, Ange Cullen, Kathleen Hjertaas, Caitlin Riebe, Nikolina Rikert, Ashvini Sunthoram, Ronald Barr, Harriet MacMillan and Charlotte Waddell

  October 27, 2020 8 (4) E667-E675; DOI: https://doi.org/10.9778/cmajo.20200063
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  Using the clinical chemistry score in the emergency department to detect adverse cardiac events: a diagnostic accuracy study

  Peter A. Kavsak, Joshua O. Cerasuolo, Dennis T. Ko, Jinhui Ma, Jonathan Sherbino, Shawn E. Mondoux, Natasha Clayton, Stephen A. Hill, Matthew McQueen, Lauren E. Griffith, Shamir R. Mehta, Richard Perez, Hsien Seow, P.J. Devereaux and Andrew Worster

  November 02, 2020 8 (4) E676-E684; DOI: https://doi.org/10.9778/cmajo.20200047
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  Differences in coronary artery disease complexity and associations with mortality and hospital admissions among First Nations and non–First Nations patients undergoing angiography: a comparative retrospective matched cohort study

  Annette Schultz, Lindsey Dahl, Elizabeth McGibbon, Jarvis Brownlie, Catherine Cook, Basem Elbarouni, Alan Katz, Thang Nguyen, Jo-Ann V. Sawatzky, Heather J. Prior, Moneca Sinclaire, Karen Throndson and Randy Fransoo

  November 02, 2020 8 (4) E685-E694; DOI: https://doi.org/10.9778/cmajo.20190171
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  Incidental detection, imaging modalities and temporal trends of differentiated thyroid cancer in Ontario: a population-based retrospective cohort study

  Todd A. Norwood, Emmalin Buajitti, Lorraine L. Lipscombe, Thérèse A. Stukel and Laura C. Rosella

  November 02, 2020 8 (4) E695-E705; DOI: https://doi.org/10.9778/cmajo.20200095
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  Cost-effectiveness of antithrombotic agents for atrial fibrillation in older adults at risk for falls: a mathematical modelling study

  Eric K.C. Wong, Christina Belza, David M.J. Naimark, Sharon E. Straus and Harindra C. Wijeysundera

  November 06, 2020 8 (4) E706-E714; DOI: https://doi.org/10.9778/cmajo.20200107
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  Trauma Resident Exposure in Canada and Operative Numbers (TraumaRECON): a study protocol for a national multicentre study of operative, nonoperative and structured educational exposures in Canada

  Qian Shi, Angela Coates, Paul T. Engels and Timothy J. Rice; for the Canadian Collaborative on Urgent Care Surgery (CANUCS)

  November 16, 2020 8 (4) E715-E721; DOI: https://doi.org/10.9778/cmajo.20190185
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  Association between continuity and access in primary care: a retrospective cohort study

  Lisa L. Cook, Richard P. Golonka, Charles M. Cook, Robin L. Walker, Peter Faris, Shannon Spenceley, Richard Lewanczuk, Robert Wedel, Rebecca Love, Cheryl Andres, Susan D. Byers, Tim Collins and Scott Oddie

  November 16, 2020 8 (4) E722-E730; DOI: https://doi.org/10.9778/cmajo.20200014
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  Assessing readiness to manage intimate partner violence 12 months after completion of an educational program in fracture clinics: a pretest–posttest study

  The EDUCATE Investigators

  November 16, 2020 8 (4) E731-E736; DOI: https://doi.org/10.9778/cmajo.20200031
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  Time trends and predictors of laboratory-confirmed recurrent and severe Clostridioides difficile infections in Manitoba: a population-based study

  Seth R. Shaffer, Zoann Nugent, Andrew Walkty, B. Nancy Yu, Lisa M. Lix, Laura E. Targownik, Charles N. Bernstein and Harminder Singh

  November 16, 2020 8 (4) E737-E746; DOI: https://doi.org/10.9778/cmajo.20190191
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  Calculating physician supply using a service day method and the income percentiles method: a descriptive analysis

  Terrence McDonald, Brendan Cord Lethebe and Lee A. Green

  November 24, 2020 8 (4) E747-E753; DOI: https://doi.org/10.9778/cmajo.20200037
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  Cannabis-related driving and passenger behaviours among high school students: a cross-sectional study using survey data

  Melissa Carpino, Donald Langille, Gabriela Ilie and Mark Asbridge

  November 24, 2020 8 (4) E754-E761; DOI: https://doi.org/10.9778/cmajo.20200081
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  Health service use among Manitobans with alcohol use disorder: a population-based matched cohort study

  James M. Bolton, Christine Leong, Okechukwu Ekuma, Heather J. Prior, Geoffrey Konrad, Jennifer Enns, Deepa Singal, Josh Nepon, Michael T. Paillé, Greg Finlayson and Nathan C. Nickel

  November 24, 2020 8 (4) E762-E771; DOI: https://doi.org/10.9778/cmajo.20200124
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  Use of real-world evidence in cancer drug funding decisions in Canada: a qualitative study of stakeholders’ perspectives

  Marc Clausen, Chloe Mighton, Ruhi Kiflen, Agnes Sebastian, Wei Fang Dai, Rebecca E. Mercer, Jaclyn M. Beca, Wanrudee Isaranuwatchai, Kelvin K.W. Chan and Yvonne Bombard

  November 24, 2020 8 (4) E772-E778; DOI: https://doi.org/10.9778/cmajo.20200118
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  Feasibility of identifying and describing the burden of early-onset metabolic syndrome in primary care electronic medical record data: a cross-sectional analysis

  Jamie J. Boisvenue, Carlo U. Oliva, Donna P. Manca, Jeffrey A. Johnson and Roseanne O. Yeung

  November 24, 2020 8 (4) E779-E787; DOI: https://doi.org/10.9778/cmajo.20200007
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  Outcomes and clinical practice in patients with COVID-19 admitted to the intensive care unit in Montréal, Canada: a descriptive analysis

  Stephen Su Yang, Jed Lipes, Sandra Dial, Blair Schwartz, Denny Laporta, Evan Wong, Craig Baldry, Paul Warshawsky, Patricia McMillan, David Hornstein, Michel de Marchie and Dev Jayaraman

  November 24, 2020 8 (4) E788-E795; DOI: https://doi.org/10.9778/cmajo.20200159
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  A comparison of 3 frailty measures and adverse outcomes in the intake home care population: a retrospective cohort study

  Chi-Ling Joanna Sinn, George Heckman, Jeffrey W. Poss, Graziano Onder, Davide Liborio Vetrano and John Hirdes

  December 01, 2020 8 (4) E796-E809; DOI: https://doi.org/10.9778/cmajo.20200083
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  Outpatient uterine assessment and treatment unit in patients with abnormal uterine bleeding: an economic modelling study

  Alexandria Bennett, Kednapa Thavorn, Kristina Arendas, Doug Coyle and Sukhbir S. Singh

  December 08, 2020 8 (4) E810-E818; DOI: https://doi.org/10.9778/cmajo.20190170
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  Outbreak of SARS-CoV-2 infection at a large refugee shelter in Toronto, April 2020: a clinical and epidemiologic descriptive analysis

  Vanessa Redditt, Vanessa Wright, Meb Rashid, Roy Male and Isaac Bogoch

  December 08, 2020 8 (4) E819-E824; DOI: https://doi.org/10.9778/cmajo.20200165
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  Factors predicting the risk of loss of decisional capacity for medical assistance in dying: a retrospective database review

  Debbie Selby, Christopher Meaney, Sally Bean, Elie Isenberg-Grzeda and Amy Nolen

  December 08, 2020 8 (4) E825-E831; DOI: https://doi.org/10.9778/cmajo.20200052
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  Effectiveness of ambulation to prevent venous thromboembolism in patients admitted to hospital: a systematic review

  Brandyn D. Lau, Patrick Murphy, Anthony J. Nastasi, Stella Seal, Peggy S. Kraus, Deborah B. Hobson, Dauryne L. Shaffer, Christine G. Holzmueller, Jonathan K. Aboagye, Michael B. Streiff and Elliott R. Haut

  December 08, 2020 8 (4) E832-E843; DOI: https://doi.org/10.9778/cmajo.20200003
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  Wait-time reporting systems for elective surgery in Canada: a content analysis of provincial and territorial initiatives

  Romy E. Segall, Julie L. Takata and David R. Urbach

  December 10, 2020 8 (4) E844-E851; DOI: https://doi.org/10.9778/cmajo.20200033
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  The experiences of Indigenous people with cancer in Saskatchewan: a patient-oriented qualitative study using a sharing circle

  Tracey Carr, Lorna Arcand, Rose Roberts, Jennifer Sedgewick, Anum Ali and Gary Groot

  December 10, 2020 8 (4) E852-E859; DOI: https://doi.org/10.9778/cmajo.20200012
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  Patient and physician perspectives on shared decision-making for coronary procedures in people with chronic kidney disease: a patient-oriented qualitative study

  Juli Finlay, Todd Wilson, Pantea Amin Javaheri, Winnie Pearson, Carol Connolly, Meghan J. Elliott, Michelle M. Graham, Colleen M. Norris, Stephen B. Wilton and Matthew T. James

  December 10, 2020 8 (4) E860-E868; DOI: https://doi.org/10.9778/cmajo.20200039
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  Influence of opioid prescribing standards on health outcomes among patients with long-term opioid use: a longitudinal cohort study

  Richard L. Morrow, Ken Bassett, James M. Wright, Greg Carney and Colin R. Dormuth

  December 18, 2020 8 (4) E869-E876; DOI: https://doi.org/10.9778/cmajo.20190228
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  Comparative effectiveness and safety of direct oral anticoagulants versus vitamin K antagonists in nonvalvular atrial fibrillation: a Canadian multicentre observational cohort study

  Madeleine Durand, Mireille E. Schnitzer, Menglan Pang, Greg Carney, Sherif Eltonsy, Kristian B. Filion, Anat Fisher, Min Jun, I. Fan Kuo, Christel Renoux, J. Michael Paterson, Jacqueline Quail and Alexis Matteau; for the Canadian Network for Observational Drug Effect Studies Investigators

  December 18, 2020 8 (4) E877-E886; DOI: https://doi.org/10.9778/cmajo.20200055
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  COVID-19 screening of asymptomatic patients admitted through emergency departments in Alberta: a prospective quality-improvement study

  Pietro Ravani, Lynora Saxinger, Uma Chandran, Kevin Fonseca, Stephanie Murphy, Eddy Lang, Laura McDougall and Braden Manns

  December 18, 2020 8 (4) E887-E894; DOI: https://doi.org/10.9778/cmajo.20200191
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  Adults with diabetes mellitus in Newfoundland and Labrador: a population-based, cross-sectional analysis

  Julia Lukewich, Richard Buote, Shabnam Asghari, Kris Aubrey-Bassler, John Knight and Maria Mathews

  December 18, 2020 8 (4) E895-E901; DOI: https://doi.org/10.9778/cmajo.20190233