From: Proctitis following stereotactic body radiation therapy for prostate cancer
 |  | Start | 1 | 3 | 6 | 9 | 12 | 18 | 24 |
---|---|---|---|---|---|---|---|---|---|
No problem | Â | 76.0% | 44.6% | 68.0% | 69.1% | 63.7% | 63.5% | 66.1% | 70.4% |
Very small-small problem | Â | 19.9% | 43.8% | 28.9% | 26.9% | 30.2% | 29.5% | 29.5% | 26.3% |
Moderate-big problem | Â | 4.1% | 11.5% | 3.1% | 4.0% | 6.0% | 7.0% | 4.5% | 3.3% |
 | p value | - | <0.0001 | 0.1044 | 0.0828 | 0.0051 | 0.0005 | 0.0172 | 0.3499 |
 | N= | 267 | 260 | 256 | 249 | 248 | 244 | 224 | 240 |