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. 2015 May-Jun;9(5-6):179–187. doi: 10.5489/cuaj.2618

Fig. 2.

Fig. 2.

Mean (± standard deviation) IIEF scores at each time point. Baseline scores plotted at month 0. The response rate for the completed IIEF questionnaires at each time point was: baseline (n = 364 ORP, n = 187 RARP), 3 months (n = 219 ORP, n = 148 RARP), 6 months (n = 213 ORP, n = 148 RARP), 9 months (n = 163 ORP, n = 121 RARP), 12 months (n = 154 ORP, n = 100 RARP), 15 months (n = 66 ORP, n = 46 RARP). Differences between RARP and ORP groups were statistically significant at 3 months (p < 0.001) and 12 months (p = 0.011), but not clinically significant at any time point. Asterisks denote statistical significance. RARP: robot-assisted radical prostatectomy; ORP: open radical prostatectomy; IIEF: International Index of Erectile Function.