Fig. 3From: Comparison of survival in elderly patients treated with uretero-cutaneostomy or ileal conduit after radical cystectomyPower-effect curve of overall survival (a) and cancer-specific survival (b) with N = 570 and alpha = 0.05. Vertical dotted line indicates postulated hazard ratio of 1.257; Horizontal dotted line indicates the power; N = 570 because 285 patients are in each urinary diversion groupBack to article page