The Surgical Site Infection Risk Score (SSIRS): A Model to Predict the Risk of Surgical Site Infections. by Carl van Walraven, Reilly Musselman

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Derivation and validation of the Ottawa weight loss prediction model for patients on a low-calorie diet by Robert R. M. Dent, Carl van Walraven

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Validity of two weight prediction models for community-living patients participating in a weight loss program by Robert Dent, Neil Harris, Carl van Walraven

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A commentary on the value of hospital data for covid-19 pandemic surveillance and planning by Douglas G. Manuel, Carl van Walraven, Alan J. Forster

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Development and validation of an administrative data algorithm to identify adults who have endoscopic sinus surgery for chronic rhinosinusitis by Kristian I. Macdonald, Shaun J. Kilty, Carl van Walraven

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Development of the multivariate administrative data cystectomy model and its impact on misclassification bias by James Ross, Luke T. Lavallee, Duane Hickling, Carl van Walraven

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Derivation of a Predictive Model for Graft Loss Following Acute Kidney Injury in Kidney Transplant Recipients by Amber O. Molnar, Carl van Walraven, Dean Fergusson, Amit X. Garg, Greg Knoll

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Resource utilization and cost assessment of a proactive penicillin allergy de-labeling program for low-risk inpatients by Derek Lanoue, Adhora Mir, Carl van Walraven, Timothy Olynych, Caroline Nott, Derek R. MacFadden

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Protocol for the derivation and external validation of a 30-day mortality risk prediction model for older patients having emergency general surgery (PAUSE score—Probability of mort... by Carl van Walraven, Daniel I McIsaac, Manoj Lalu, Simon Feng, Husein Moloo, Reilly Musselman

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Introduction of a penicillin allergy de-labelling program with direct oral challenge and its effects on utilization of beta-lactam antimicrobials: a multicenter retrospective paral... by Adhora Mir, Derek Lanoue, Veronica Zanichelli, Carl van Walraven, Timothy Olynych, Caroline Nott, Derek MacFadden

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Can text-search methods of pathology reports accurately identify patients with rectal cancer in large administrative databases? by Reilly P Musselman, Deanna Rothwell, Rebecca C Auer, Husein Moloo, Robin P Boushey, Carl van Walraven

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Frequency and Type of Outpatient Visits for Patients With Cardiovascular Ambulatory‐Care Sensitive Conditions During the COVID‐19 Pandemic and Subsequent Outcomes: A Retrospective... by Finlay A. McAlister, Zoe Hsu, Yuan Dong, Ross T. Tsuyuki, Carl van Walraven, Jeffrey A. Bakal

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Derivation and internal validation of the multivariate toxigenic C. difficile diarrhea model and risk score for emergency room and hospitalized patients with diarrhea by Sarah Davies, Jimmy Zhang, Yongjun Yi, Eric R. Burge, Marc Desjardins, Peter C. Austin, Carl van Walraven

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Association of Splanchnic Vein Thrombosis on Survival: 15‐Year Institutional Experience With 1561 Cases by Philip S. Wells, Isabel Theberge, Joshua Bowdridge, Erin Kelly, Ania Kielar, Melissa A Forgie, Susan John, Carl van Walraven

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Case Mix, Patterns of Care, and Inpatient Outcomes Among Ontario Kidney Transplant Centers: A Population-Based Study by Anne Tsampalieros, Greg A. Knoll, Stephanie Dixon, Shane English, Douglas Manuel, Carl Van Walraven, Monica Taljaard, Dean Fergusson

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The Effect of Transplant Volume and Patient Case Mix on Center Variation in Kidney Transplantation Outcomes by Anne Tsampalieros, Dean Fergusson, Stephanie Dixon, Shane W. English, Douglas Manuel, Carl Van Walraven, Monica Taljaard, Greg A. Knoll

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Predicting Stroke Risk Based on Health Behaviours: Development of the Stroke Population Risk Tool (SPoRT). by Douglas G Manuel, Meltem Tuna, Richard Perez, Peter Tanuseputro, Deirdre Hennessy, Carol Bennett, Laura Rosella, Claudia Sanmartin, Carl van Walraven, Jack V Tu

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Adverse events following 12 and 18 month vaccinations: a population-based, self-controlled case series analysis. by Kumanan Wilson, Steven Hawken, Jeffrey C Kwong, Shelley Deeks, Natasha S Crowcroft, Carl Van Walraven, Beth K Potter, Pranesh Chakraborty, Jennifer Keelan, Michael Pluscauskas, Doug Manuel

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A Point-Based Model to Predict Absolute Risk of Revision in Anatomic Shoulder Arthroplasty by Peter LC Lapner MD, FRCSC, Meaghan D Rollins MD, Meltem G Tuna MSc, PhD, Caleb Netting MD, Anan Bader Eddeen MSc, Carl van Walraven MD, FRCPC

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Evidence for overuse of cardiovascular healthcare services in high-income countries: protocol for a systematic review and meta-analysis by Carl van Walraven, Henry Thomas Stelfox, Derek J Roberts, Daniel Niven, Mamas Mamas, Ian D Graham, Daniel I McIsaac, Jeremy Grimshaw, Sudhir K Nagpal, Risa Shorr, Emma E Sypes

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