A retrospective analysis of incidence and its associated risk factors of upper urinary tract recurrence following radical cystectomy for bladder cancer with transitional cell carcinoma: the significance of local pelvic recurrence and positive lymph node.

PLoS One · 2014 · PMC4010468 · PMID 24798444

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did not reach statistical significanceno p-value reported

Other well known risk factors, including stage, ureteral and urethral margin involvement, CIS, and grades, did not reach statistical significance and differed from those of other studies [6] , [20] , [46] because of small numbers of UUTR cases, which decreased the statistical power.

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