Parameters that determine EORTC recurrence and progression scores

Factor	Recurrence	Progression
Number of tumors
Single	0	0
2 to 7	3	3
≥8	6	3
Tumor size
<3 cm	0	0
>3 cm	3	3
Prior recurrence rate
Primary	0	0
≤1 recurrence/year	2	2
>1 recurrence/year	4	2
T category
Ta	0	0
T1	1	4
CIS
No	0	0
Yes	1	6
Grade
G1	0	0
G2	1	0
G3	2	5
Total score	0 to 17	0 to 23

EORTC: European Organisation for Research and Treatment of Cancer; CIS: carcinoma in situ.

Reproduced from: Sylvester RJ, van der Meijden AP, Oosterlinck W, et al. Predicting recurrence and progression in individual patients with stage Ta T1 bladder cancer using EORTC risk tables: a combined analysis of 2596 patients from seven EORTC trials. Eur Urol 2006; 49:466. Table used with the permission of Elsevier Inc. All rights reserved.

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Parameters that determine EORTC recurrence and progression scores