Figure 3

Subgroup analysis of the biochemical recurrence-free rate after propensity score-matching for patients treated with seed brachytherapy (SEED-BT) alone and with SEED-BT plus external-beam radiotherapy (EBRT). (a) Favorable intermediate risk subgroup. (b) Unfavorable intermediate risk subgroup. (c) Subgroup that received no concomitant neoadjuvant hormonal therapy. (d) Subgroup that received concomitant neoadjuvant hormonal therapy. CI = confidence interval.