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. Author manuscript; available in PMC: 2020 Feb 1.
Published in final edited form as: Eur Urol. 2018 Sep 17;75(2):221–228. doi: 10.1016/j.eururo.2018.08.039

Table 4 –

Multivariable logistic regression analyses testing predictors of erectile function recovery at 12 and 24 mo from radical prostatectomy

EF recovery at 12 mo EF recovery at 24 mo
OR 95% CI p value OR 95% CI p value
Year of surgery 0.98 0.92–1.04 0.4 0.99 0.93–1.07 0.9
Baseline IIEF-6 1.16 1.13–1.20 <0.0001 1.14 1.10–1.17 <0.0001
Age 0.95 0.93–0.97 <0.0001 0.94 0.92–0.96 <0.0001
Surgical approach
    ORP vs LRP 0.75 0.54–1.04 0.08 0.76 0.51–1.11 0.2
    ORP vs RARP 1.11 0.83–1.48 0.5 1.06 0.75–1.48 0.8
CCI score 0.71 0.59–0.86 0.001 0.78 0.64–0.96 0.02
Use of PDE5is 1.05 0.93–1.19 0.4 1.17 0.97–1.40 0.1
Urinary function a 1.43 1.08–1.89 0.01 1.66 1.16–2.39 0.006
pT stage
    pT2 vs ≥ pT3 0.95 0.73–1.25 0.7 0.87 0.63–1.21 0.4
Gleason grade group
    1 vs 2 0.92 0.67–1.27 0.6 0.73 0.49–1.09 0.1
    1 vs 3 0.85 0.55–1.29 0.4 0.60 0.36–1.01 0.052
    1 vs 4 0.82 0.37–1.82 0.6 0.77 0.29–2.03 0.6
    1 vs 5 0.65 0.25–1.68 0.4 0.52 0.16–1.72 0.3

CI = confidence interval; CCI = Charlson comorbidity index; EF = erectile function; IIEF = International Index of Erectile Function; LRP = laparoscopic radical prostatectomy; OR = odds ratio; ORP = open radical prostatectomy; PDE5is= phosphodiesterase type 5 inhibitors; RARP = robot-assisted radical prostatectomy.

a

Urinary function status at the time of erectile function assessment.