Table 3.
Dosimetric Comparison of OARs Between the ART and Non-ART Plans.
| Parameters | Non-ART | ART | P Value |
|---|---|---|---|
| Skin | |||
| V55 (%) | 9.98 (1.51) | 9.07 (1.27) | .036 |
| Left parotid | |||
| Dmean(Gy) | 37.07 (3.42) | 35.79 (3.03) | .031 |
| V30 (%) | 52.75 (7.28) | 48.64 (7.24) | .038 |
| Right parotid | |||
| Dmean (Gy) | 37.73 (7.19) | 37.13 (5.45) | .450 |
| V30 (%) | 53.70 (16.21) | 50.47 (10.44) | .155 |
| Brain stem | |||
| Dmax (Gy) | 54.47 (3.62) | 52.05 (3.29) | .012 |
| Glottis | |||
| Dmean (Gy) | 41.55 (4.83) | 37.89 (4.27) | .015 |
| Supraglottis | |||
| V50 (%) | 45.21 (6.17) | 41.54 (6.07) | .027 |
| Right optic nerve | |||
| Dmax (Gy) | 50.15 (42.63-52.49) | 47.98 (38.12-51.09) | .024 |
| Left optic nerve | |||
| Dmax (Gy) | 47.01 (10.96) | 43.05 (12.14) | .182 |
Abbreviations: ART, adaptive radiation therapy; OARs, organs at risk.