On multivariate logistic regression analysis, a higher odds of upstaging was associated with age equal to or greater than 80 (OR 2.7, p < 0.001), non-Black race, male sex, cT1B (OR 3.3, p < 0.001), cN1 (OR 4.4, p < 0.001), collecting duct histology (OR 8.0, p < 0.001), Fuhrman grade III/IV, and the presence of sarcomatoid features (OR 2.8, p < 0.001). A nomogram was created using these predictors of upstaging with the most weight given to the histologic subtype.
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Presented by: Zachary L. Smith
Authors: Zachary L. Smith, Scott Johnson, and Scott Eggener
Affiliaiton: The University of Chicago, Chicago, IL, USA
Written by: Michael Owyong (@ohyoungmike), LIFT Fellow, Department of Urology, UC Irvine Medical Center, Orange, CA at the 35th World Congress of Endourology– September 12-16, 2017, Vancouver, Canada.