Table 2 Bowel symptoms following SBRT for prostate cancer
From: Proctitis following stereotactic body radiation therapy for prostate cancer
| Â | Â | Start | 1 | 3 | 6 | 9 | 12 | 18 | 24 |
|---|---|---|---|---|---|---|---|---|---|
Bowel urgency | |||||||||
No problem | Â | 77.2% | 49.8% | 62.0% | 60.2% | 64.5% | 62.3% | 64.7% | 66.8% |
Very small-small problem | Â | 21.0% | 39.0% | 33.7% | 34.1% | 29.8% | 31.6% | 29.5% | 31.1% |
Moderate-big problem | Â | 1.9% | 11.2% | 4.3% | 5.6% | 5.6% | 6.1% | 5.8% | 2.1% |
| Â | p value | Â | <0.0001 | 0.0002 | <0.0001 | 0.0002 | 0.0001 | 0.0004 | 0.01568 |
Bowel frequency | |||||||||
No problem | Â | 82.0% | 57.0% | 71.9% | 71.5% | 70.6% | 72.5% | 76.3% | 77.4% |
Very small-small problem | Â | 15.7% | 34.5% | 25.0% | 25.3% | 23.4% | 23.0% | 18.8% | 19.7% |
Moderate-big problem | Â | 2.2% | 8.5% | 3.1% | 3.2% | 6.0% | 4.5% | 4.9% | 2.9% |
| Â | p value | Â | <0.0001 | 0.0079 | 0.0038 | 0.0031 | 0.0214 | 0.0169 | 0.2508 |
Incontinence | |||||||||
No problem | Â | 94.8% | 79.5% | 85.2% | 86.7% | 88.3% | 85.2% | 85.7% | 89.5% |
Very small-small problem | Â | 4.1% | 17.0% | 14.5% | 11.2% | 9.7% | 12.3% | 11.6% | 8.8% |
Moderate-big problem | Â | 1.1% | 3.5% | 0.4% | 2.0% | 2.0% | 2.5% | 2.7% | 1.7% |
| Â | p value | Â | <0.0001 | 0.0033 | 0.0021 | 0.03 | 0.0001 | 0.0001 | 0.0147 |
Bloody stools | |||||||||
No problem | Â | 98.1% | 90.8% | 96.9% | 95.6% | 96.0% | 96.3% | 94.2% | 94.2% |
Very small-small problem | Â | 1.9% | 8.1% | 2.3% | 3.6% | 2.4% | 2.5% | 5.4% | 5.8% |
Moderate-big problem | Â | 0.0% | 1.2% | 0.8% | 0.8% | 1.6% | 1.2% | 0.4% | 0.0% |
| Â | p value | Â | 0.0002 | 0.1677 | 0.0934 | 0.0574 | 0.0906 | 0.0066 | 0.0258 |
Pain (abdominal, pelvic or rectal) | |||||||||
No problem | Â | 86.1% | 76.8% | 89.8% | 86.7% | 86.7% | 88.5% | 86.6% | 90.3% |
Very small-small problem | Â | 12.4% | 17.8% | 7.8% | 10.4% | 9.7% | 8.2% | 12.1% | 7.1% |
Moderate-big problem | Â | 1.5% | 5.4% | 2.3% | 2.8% | 3.6% | 3.3% | 1.3% | 2.5% |
| Â | p value | Â | 0.0002 | 0.5516 | 0.6606 | 0.232 | 0.5713 | 0.8565 | 0.7498 |
| Â | N= | 267 | 259 | 255 | 249 | 248 | 244 | 224 | 238 |