Fig. 4

Subgroup analysis for the biochemical recurrence-free rate using the Phoenix definition (PSA nadir plus 2Â ng/mL) for SEED-BT and the surgical definition (PSA cut-off value of 0.2Â ng/mL) for RP (A). Subgroup analysis for the biochemical recurrence-free rate using the surgical definition (PSA cut-off value of 0.2Â ng/mL) for both SEED-BT and RP (B). Abbreviations: RP, radical prostatectomy; SEED-BT, seed brachytherapy; EBRT, external-beam radiotherapy