Table 1 Population-averaged plan statistics (standard deviation in parentheses) for the patients planned pre- and post- KBP script implementation
From: Clinical implementation of a knowledge based planning tool for prostate VMAT
Metric | Pre | Post | P-value |
|---|---|---|---|
PTV3 D99 (Gy) | 72.4 (0.5) | 72.4 (0.4) | 0.748 |
PTV3 D1 (Gy) | 75.1 (0.6) | 75.1 (0.4) | 0.904 |
PTV2 D99 (Gy) | 67.6 (0.3) | 67.7 (0.3) | 0.471 |
PTV1 D99 (Gy) | 59.3 (2.9) | 59.7 (2.0) | 0.351 |
Total MU | 428 (70) | 463 (73) | 0.018 |
Av Bladder dose (Gy) | 23.2 (8.8) | 22.3 (7.8) | 0.580 |
Av Rectum dose (Gy) | 41.6 (4.2) | 36.0 (4.1) | <0.001 |
Av bowel dose (Gy) | 23.7 (19.9) | 14.1 (14.8) | 0.289 |
LFemH D50 (Gy) | 21.7 (7.1) | 26.3 (5.6) | <0.001 |
RFemH D50 (Gy) | 21.6 (7.3) | 27.2 (7.1) | <0.001 |
CI (56.2Gy to PTV1) | 0.69 (0.06) | 0.65 (0.04) | <0.001 |
CI (40.0Gy to PTV1) | 0.37 (0.04) | 0.34 (0.03) | <0.001 |
δ | 0.11 (0.08) | −0.02 (0.06) | <0.001 |
Rectum V30/Vrec | 0.71 (0.07) | 0.54 (0.10) | <0.001 |
Rectum V40/Vrec | 0.54 (0.11) | 0.38 (0.01) | <0.001 |
Rectum V50/Vrec | 0.37 (0.11) | 0.28 (0.08) | <0.001 |
Rectum V60/Vrec | 0.21 (0.10) | 0.18 (0.06) | 0.110 |
Rectum V65/Vrec | 0.13 (0.08) | 0.13 (0.05) | 0.787 |
Rectum V70/Vrec | 0.07 (0.04) | 0.07 (0.03) | 0.457 |