TABLE III.
Coverage for PTP and Margin plans at planning objectives. Change represents coverage of PTP plan less coverage of margin plan. Significance is a result of a 2-sided paired t-test.
| Structure | Volume (%) | Dose (cGy) | PTP | Margin | Change | P |
|---|---|---|---|---|---|---|
| BLADDER | 50 | 6500 | 3 | 1 | 2 | 0.0005 |
| BLADDER | 35 | 7000 | 10 | 6 | 3 | 0.0156 |
| BLADDER | 25 | 7500 | 10 | 11 | −1 | 0.7609 |
| BLADDER | 15 | 8000 | 5 | 11 | −6 | 0.0146 |
| BLADDER | 0 | 8470 | 37 | 22 | 14 | 0.1084 |
| CTV | 98 | 7920 | 90 | 91 | −1 | 0.2292 |
| CTV | 2 | 8470 | 45 | 32 | 12 | 0.2328 |
| FEMUR_LT | 50 | 3500 | 0 | 0 | 0 | n/a |
| FEMUR_LT | 0 | 5000 | 5 | 1 | 4 | 0.0078 |
| FEMUR_RT | 50 | 3500 | 0 | 0 | 0 | n/a |
| FEMUR_RT | 0 | 5000 | 6 | 0 | 6 | 0.0024 |
| RECTUM | 50 | 6000 | 1 | 6 | −5 | 0.0962 |
| RECTUM | 35 | 6500 | 9 | 26 | −17 | 0.0010 |
| RECTUM | 25 | 7000 | 18 | 41 | −23 | 0.0000 |
| RECTUM | 15 | 7500 | 28 | 55 | −27 | 0.0000 |
| RECTUM | 0 | 8470 | 19 | 10 | 9 | 0.1794 |