Table 2.
TC analysis and distance from the centroid of the target to the imaging isocenter of the control (clinical) treatment plans and the distorted treatment plans for all patients.
Control plan | Distorted plan | Difference | Distance | |||||
---|---|---|---|---|---|---|---|---|
Patient no. | Target | CI | TC, % | CI | TC, % | ΔCI | ΔTC, % | cm |
1 | PTV | 1.15 | 0.97 | 1.13 | 0.96 | −0.02 | −1.24 | 6.09 |
2 | PTV 67.5 | 1.05 | 0.77 | 1.01 | 0.75 | −0.05 | −2.54 | 6.05 |
PTV 37.5 | 2.87 | 0.91 | 2.83 | 0.92 | −0.04 | 1.08 | 4.25 | |
3 | PTV | 1.36 | 0.96 | 1.64 | 1 | 0.28 | 3.4 | 1.94 |
4 | PTV | 1.41 | 0.99 | 1.35 | 0.99 | −0.06 | −0.23 | 5.12 |
5 | PTV | 1.26 | 0.98 | 1.27 | 0.94 | 0.01 | −3.34 | 6.07 |
6 | PTV | 1.24 | 0.96 | 1.18 | 0.95 | −0.06 | −1.36 | 6.57 |
7 | PTV | 1.74 | 0.96 | 1.92 | 0.94 | 0.18 | −1.44 | 5.06 |
8 | PTV 70 | 3.28 | 0.99 | 3.38 | 0.98 | 0.1 | −0.62 | 10.91 |
PTV 66 | 5.37 | 0.99 | 5.27 | 1 | −0.1 | 0.22 | 9.80 | |
PTV 59.4 | 2.58 | 0.98 | 2.42 | 0.94 | −0.16 | −3.68 | 9.19 | |
PTV 57 | 67.58 | 1 | 64.03 | 0.98 | −3.56 | −1.21 | 11.11 | |
9 | PTV 45 | 2.09 | 0.97 | 2.12 | 0.96 | 0.03 | −0.94 | 6.33 |
PTV 40 | 5.2 | 0.98 | 5.33 | 0.98 | 0.13 | −0.18 | 6.72 | |
10 | PTV 42.5 | 2.96 | 1 | 2.71 | 0.96 | −0.26 | −3.4 | 8.52 |
PTV 37.5 | 1.69 | 0.98 | 1.57 | 0.96 | −0.12 | −2.16 | 8.60 | |
11 | PTV boost 40 | 1.43 | 0.95 | 1.51 | 0.92 | 0.08 | −2.48 | 7.67 |
PTV 30 | 1.99 | 0.98 | 1.96 | 0.97 | −0.03 | −1.01 | 8.61 | |
12 | GTV 24 | 1.34 | 0.96 | 1.33 | 0.94 | −0.01 | −1.66 | 1.74 |
CTV 16 | 2.28 | 0.99 | 2.25 | 0.98 | −0.03 | −0.99 | 1.57 | |
13 | GTV 24 | 0.87 | 0.96 | 1.3 | 0.95 | 0.43 | −1.08 | 3.65 |
CTV 16 | 1.06 | 0.95 | 1.67 | 0.92 | 0.61 | −2.36 | 2.76 | |
14 | GTV 24 | 1.81 | 0.98 | 1.78 | 0.98 | −0.02 | −0.61 | 7.19 |
CTV 16 | 1.48 | 0.93 | 1.52 | 0.92 | 0.04 | −0.37 | 7.49 |
Abbreviations: CI, conformity index; TC, target coverage; PTV, planning target volume; GTV, gross tumor volume.