Table 2 Comparison of dosimetry of OARs between two plans \(\left( {\overline{x} \pm s} \right)/M\left( {Q1, Q2} \right)\)
Parameters | IMRT-SF | IMRT-VB | t/z-stat | P-value |
|---|---|---|---|---|
Left lung V5/% | 44.60 (43.53, 49.13) | 44.75 (42.98, 48.93) | − 0.255 | 0.799 |
Left lung V10/% | 30.72 ± 3.21 | 31.39 ± 2.99 | − 2.831 | 0.02 |
Left lung V20/% | 19.10 ± 1.91 | 19.64 ± 1.78 | − 5.576 | < 0.001 |
Left lung V30/% | 12.86 ± 1.52 | 13.70 ± 1.56 | − 7.517 | < 0.001 |
Left lung Dmean/cGy | 1047.78 ± 83.38 | 1097.28 ± 77.94 | − 8.016 | < 0.001 |
Right lung Dmean/cGy | 109.94 ± 38.15 | 108.20 ± 35.71 | 1.341 | 0.213 |
Heart V5/% | 34.14 ± 4.81 | 33.52 ± 4.64 | 0.804 | 0.442 |
Heart Dmean | 631.25 ± 80.07 | 635.76 ± 86.82 | − 0.558 | 0.591 |
Cord Dmax/cGy | 48.17 ± 6.08 | 48.78 ± 6.01 | − 3.966 | 0.003 |
Right lung V5/% | 2.30 (1.25, 3.43) | 2.40 (0.93, 3.38) | − 0.475 | 0.635 |
Right lung V10/% | 0 (0.00, 0.00) | 0 (0, 0.10) | 0.000 | 1.000 |