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Estimating the effect of immortal‐time bias in urological research: a case example of testosterone‐replacement therapy
Authors:Christopher J.D. Wallis  Refik Saskin  Steven A. Narod  Calvin Law  Girish S. Kulkarni  Arun Seth  Robert K. Nam
Affiliation:1. Division of Urology, Sunnybrook Health Sciences Centre, Toronto, ON, Canada;2. Institute for Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada;3. Institute of Clinical Evaluative Sciences, Sunnybrook Health Sciences Centre, Toronto, ON, Canada;4. Department of Public Health Sciences, University of Toronto, Toronto, ON, Canada;5. Division of General Surgery, Sunnybrook Health Sciences Centre, Toronto, ON, Canada;6. Division of Urology, University Health Network, University of Toronto, Toronto, ON, Canada;7. Department of Anatomic Pathology, Platform Biological Sciences, Sunnybrook Health Sciences Centre, Toronto, ON, Canada
Abstract:
Keywords:bias (epidemiology)  selection bias  retrospective studies  survival analysis
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