Table 5 Sexual functions following SBRT for prostate cancer: patient-reported responses to EPIC-26 questions 8A (ability to have an erection), 8B (ability to reach orgasm), 10 (reliability of erections) and 11 (ability to function sexually)
From: Potency preservation following stereotactic body radiation therapy for prostate cancer
| Â | Start | 3 | 6 | 9 | 12 | 18 | 24 |
|---|---|---|---|---|---|---|---|
Ability to have an erection | |||||||
Very good-good | 58.8% | 51.6% | 56.3% | 43.7% | 45.6% | 41.8% | 36.7% |
Fair | 34.0% | 33.7% | 26.4% | 26.4% | 25.6% | 29.1% | 31.1% |
Poor, very poor and none | 7.2% | 14.7% | 17.2% | 29.9% | 28.9% | 29.1% | 32.2% |
p | Â | <0.04 | <0.140 | <0.001 | <0.001 | <0.001 | <0.001 |
Ability to reach orgasm | |||||||
Very good-good | 74.2% | 56.8% | 63.2% | 51.7% | 53.3% | 53.2% | 46.7% |
Fair | 18.6% | 27.4% | 18.4% | 24.1% | 24.4% | 22.8% | 25.6% |
Poor, very poor and none | 7.2% | 15.8% | 18.4% | 24.1% | 22.2% | 24.1% | 27.8% |
p | Â | <0.05 | 0.089 | <0.003 | <0.001 | <0.001 | <0.001 |
Reliability of erections | |||||||
More than half-half the time | 78.4% | 66.3% | 64.4% | 55.2% | 57.8% | 54.4% | 52.2% |
Less than half the time | 21.6% | 33.7% | 35.6% | 44.8% | 42.2% | 45.6% | 47.8% |
p | Â | <0.004 | <0.003 | <0.001 | <0.001 | <0.001 | <0.001 |
Function sexually (overall) | |||||||
Very good-good | 63.9% | 53.7% | 52.9% | 47.1% | 47.8% | 43.0% | 40.0% |
Fair | 33.0% | 29.5% | 28.7% | 24.1% | 25.6% | 24.1% | 30.0% |
Poor-very poor | 3.1% | 14.7% | 16.1% | 28.7% | 26.7% | 32.9% | 30.0% |
p | Â | <0.003 | <0.005 | <0.001 | <0.001 | <0.001 | <0.001 |
N= | 97 | 95 | 87 | 87 | 90 | 79 | 90 |