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Table 2 Quality of erection following SBRT for prostate cancer (patient-reported responses to question 9 of the EPIC-26)

From: Potency preservation following stereotactic body radiation therapy for prostate cancer

Follow up (months)

Start

3

6

9

12

18

24

Firm enough for intercourse

100.0%

73.7%

67.8%

66.7%

62.2%

57.0%

54.4%

Firm enough for masturbation and foreplay only

0.0%

9.5%

18.4%

17.2%

17.8%

26.6%

23.3%

Not firm for any sexual activity

0.0%

16.8%

13.8%

16.1%

20.0%

16.5%

22.2%

p

 

<0.0001

<0.0001

<0.0001

<0.0001

<0.0001

<0.0001

Total patient

97

95

87

87

90

79

90