Proportional hazard ratios of multivariable Cox regression analyses for prediction of functional outcome recovery rate according to the period elapsed from radical prostatectomy to patient assessment in (A) patients ≤65 yr of age (reference category: patients >65 yr of age), (B) patients with low and intermediate erectile dysfunction (ED) risk (reference category: patients with high erectile dysfunction risk), and (C) in patients with a preoperative International Index of Erectile Function-Erectile Function (IIEF-EF) of 11–17, 18–21, 22–25, and ≥26 (reference category: patients with IIEF-EF of 1–10).
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