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| Dose | HT-SBRT | X-SBRT | P value |
|---|---|---|---|
| Dosemax (Gy) | 56.38±7.64 | 70.37±12.24 | <0.001 |
| Dosemin (Gy) | 49.25±6.99 | 49.28±5.39 | 0.582 |
| Dosemean (Gy) | 52.45±8.04 | 62.28±4.60 | <0.001 |
PTV, planning target volume; SD, standard deviation; HT-SBRT, helical tomotherapy stereotactic body radiation therapy; X-SBRT, X-knife stereotactic body radiation therapy.
