Table 1.
Comparison of PTVs coverage for single fixed‐jaw intensity modulated radiotherapy (sF‐IMRT), tangential partial volumetric modulated arc therapy (tP‐VMAT), and F‐IMRT.
| sF‐IMRT | F‐IMRT | tP‐VMAT | P‐values | |||
|---|---|---|---|---|---|---|
| sF‐IMRT vs tP‐VMAT | F‐IMRT vs tP‐VMAT | sF‐IMRT vs F‐IMRT | ||||
| Left PTV | ||||||
| Dmean (cGy) | 4362.09 (17.67) | 4366.14 (16.49) | 4386.60 (12.57) | 0.001 | 0.004 | 0.559 |
| Dmax (cGy) | 4489.46 (35.79) | 4468.30 (19.78) | 4521.96 (14.69) | 0.015 | 0.000 | 0.148 |
| V100% | 94.60 (2.22) | 95.15 (0.60) | 93.26 (1.7) | 0.134 | 0.003 | 0.450 |
| V105% | 3.79 (5.15) | 0.96 (1.52) | 11.65 (7.03) | 0.008 | 0.000 | 0.107 |
| CI | 0.983 (0.013) | 0.985 (0.005) | 0.980 (0.010) | 0.610 | 0.212 | 0.703 |
| HTCI | 0.874 (0.584) | 0.884 (0.051) | 0.982 (0.033) | 0.000 | 0.000 | 0.734 |
| HI | 0.066 (0.014) | 0.061 (0.010) | 0.077 (0.010) | 0.040 | 0.001 | 0.444 |
| Right PTV | ||||||
| Dmean (cGy) | 4365.72 (15.26) | 4368.61 (17.63) | 4387.2 (9.59) | 0.001 | 0.006 | 0.546 |
| Dmax (cGy) | 4494.34 (51.21) | 4465.76 (24.91) | 4514.13 (12.51) | 0.239 | 0.000 | 0.143 |
| V100% | 94.87 (3.42) | 95.70 (1.05) | 94.42 (1.43) | 0.376 | 0.002 | 0.450 |
| V105% | 5.29 (7.97) | 1.03 (1.88) | 9.21 (5.56) | 0.198 | 0.000 | 0.114 |
| CI | 0.983 (0.018) | 0.989 (0.005) | 0.983 (0.007) | 0.998 | 0.024 | 0.315 |
| HTCI | 0.757 (0.055) | 0.805 (0.075) | 0.884 (0.022) | 0.000 | 0.003 | 0.127 |
| HI | 0.070 (0.026) | 0.057 (0.009) | 0.073 (0.007) | 0.686 | 0.000 | 0.153 |
| MU | 2742.55 (604.93) | 2157.91 (371.51) | 953.64 (66.16) | 0.000 | 0.000 | 0.014 |
| QA (%) | 97.20 (0.98) | 97.35 (1.02) | 98.51 (0.73) | 0.534 | 0.581 | 0.612 |