EORTC risk tables: Predicting recurrence and progression in stage Ta T1 bla - Evidencio
EORTC risk tables: Predicting recurrence and progression in stage Ta T1 bladder cancer patients. (5yr Recurrence)
In order to predict, separately, the short- and long-term risks of disease recurrence and progression in individual patients, the EORTC Genito-Urinary Cancer Group has developed a scoring system and risk tables.

The scoring system is based on the six most significant clinical and pathological factors. 

The EORTC tables were developed to provide an easy calculation of the estimated recurrence, and progression probabilities of bladder cancer over 1- and 5-years. Current model calculates the 5-year probability of disease recurrence. 
Research authors: Richard J. Sylvester, Adrian P.M. van der Meijden, Willem Oosterlinck, J. Alfred Witjes, Christian Bouffioux, Louis Denis, Donald W.W. Newling, Karlheinz Kurth
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Estimated 5 year recurrence probability: %

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With these probabilities, the urologist can discuss the different options with the patient to determine the most appropriate treatment and frequency of follow-up.

It should be noted that external validations of the EORTC tables were not always very good. The external validation in non-muscle-invasive urothelial bladder carcinoma patients by Xylinas et al. showed poor discrimination with C-statistics between 0.597 - 0.662 for the EORTC risk tables. 

Still, the tables are recommended in the EAU guidelines on Non-muscle-invasive Bladder Cancer

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