Table 1. Summary of the PTV coverage for DCA, IMRT and RA techniques.
DCA | IMRT | RA | P Value | |||
---|---|---|---|---|---|---|
Mean(Range) | Mean(Range) | Mean(Range) | DCA vs IMRT | DCA vs RA | IMRT vs RA | |
D2%(cGy) | 5505.86(5338.93-5703.29) | 5549.79 (5243.5-5873.48) | 5202.44 (4999.8-5424.88) | 0.554 | 0.000 | 0.472 |
D98%(cGy) | 4702.74(4667.81-4730.1) | 4681.74 (4584.37-4725.8) | 4726.25 (4691.8-4755.8) | 0.190 | 0.017 | 0.793 |
D50%(cGy) | 5177.64(5129.5-5279.85) | 5259.60 (5103.1-5587.32) | 5081.66 (4916.4-5247.98) | 0.117 | 0.010 | 0.338 |
V90%(%) | 99.99(99.93-100) | 99.91(99.37-100) | 100(99.96-100) | 0.225 | 0.714 | 0.511 |
V95%(%) | 99.68(99.27-100) | 99.44(98.2-99.9) | 99.87(99.54-100) | 0.261 | 0.072 | 0.910 |
V100%(%)* | 95 | 95 | 95 | - | - | - |
V105%(%) | 72.95(68.2-80.33) | 77.05(63.4-86.79) | 54.63(0-80.57) | 0.159 | 0.046 | 0.744 |
Due to all plans were normalized to 100% of prescribed dose covering 95% of the PTV, the value of the V100%(%) for each plan was 95.