How to Use an Article About Prognosis

PURPOSE: This article in the Users' Guide to the Urological Literature series examines studies that provide information about prognosis for evidence-based clinical practice. MATERIALS AND METHODS: Studies of prognosis are introduced to the reader in the context of a clinical scenario that raises questions about the expected outcome for a patient. Critical appraisal of prognostic studies addresses the 3 questions. 1) Are the results valid? 2) …