| Structures . | . | WCRT, Gy . | PCRT, Gy . | Reduction, % . | P . |
|---|---|---|---|---|---|
| Brain | Mean | 30.91 | 24.47 | 20.8 | .133 |
| Brainstem | Max | 56.52 | 50.83 | 10.1 | .021 |
| Mean | 39.04 | 30.93 | 20.8 | .019 | |
| Optic chiasm | Max | 53.85 | 49.96 | 7.20 | .147 |
| Mean | 44.63 | 36.25 | 18.8 | .048 | |
| Ipsilateral optic nerve | Max | 52.89 | 48.87 | 7.60 | .122 |
| Mean | 39.62 | 33.66 | 15.0 | .178 | |
| Contralateral optic nerve | Max | 32.90 | 22.00 | 33.1 | .040 |
| Mean | 15.56 | 8.11 | 47.9 | .018 | |
| Ipsilateral eye | Max | 25.22 | 13.32 | 47.2 | .004 |
| Mean | 8.47 | 4.06 | 52.0 | .003 | |
| Contralateral eye | Max | 8.08 | 4.86 | 39.8 | .279 |
| Mean | 4.13 | 2.85 | 31.0 | .367 | |
| Ipsilateral lens | Max | 4.63 | 2.79 | 39.8 | .049 |
| Mean | 3.58 | 2.85 | 20.4 | .419 | |
| Contralateral lens | Max | 3.20 | 2.37 | 25.9 | .489 |
| Mean | 2.86 | 3.09 | –8.2 | .920 | |
| Ipsilateral hippocampus | Max | 66.27 | 56.85 | 14.2 | .452 |
| Mean | 62.19 | 55.76 | 10.3 | .615 | |
| Contralateral hippocampus | Max | 36.48 | 26.91 | 26.2 | .447 |
| Mean | 22.19 | 7.22 | 67.5 | .024 | |
| Pituitary | Max | 49.42 | 40.14 | 18.8 | .001 |
| Mean | 41.28 | 24.71 | 40.1 | .003 |
| Structures . | . | WCRT, Gy . | PCRT, Gy . | Reduction, % . | P . |
|---|---|---|---|---|---|
| Brain | Mean | 30.91 | 24.47 | 20.8 | .133 |
| Brainstem | Max | 56.52 | 50.83 | 10.1 | .021 |
| Mean | 39.04 | 30.93 | 20.8 | .019 | |
| Optic chiasm | Max | 53.85 | 49.96 | 7.20 | .147 |
| Mean | 44.63 | 36.25 | 18.8 | .048 | |
| Ipsilateral optic nerve | Max | 52.89 | 48.87 | 7.60 | .122 |
| Mean | 39.62 | 33.66 | 15.0 | .178 | |
| Contralateral optic nerve | Max | 32.90 | 22.00 | 33.1 | .040 |
| Mean | 15.56 | 8.11 | 47.9 | .018 | |
| Ipsilateral eye | Max | 25.22 | 13.32 | 47.2 | .004 |
| Mean | 8.47 | 4.06 | 52.0 | .003 | |
| Contralateral eye | Max | 8.08 | 4.86 | 39.8 | .279 |
| Mean | 4.13 | 2.85 | 31.0 | .367 | |
| Ipsilateral lens | Max | 4.63 | 2.79 | 39.8 | .049 |
| Mean | 3.58 | 2.85 | 20.4 | .419 | |
| Contralateral lens | Max | 3.20 | 2.37 | 25.9 | .489 |
| Mean | 2.86 | 3.09 | –8.2 | .920 | |
| Ipsilateral hippocampus | Max | 66.27 | 56.85 | 14.2 | .452 |
| Mean | 62.19 | 55.76 | 10.3 | .615 | |
| Contralateral hippocampus | Max | 36.48 | 26.91 | 26.2 | .447 |
| Mean | 22.19 | 7.22 | 67.5 | .024 | |
| Pituitary | Max | 49.42 | 40.14 | 18.8 | .001 |
| Mean | 41.28 | 24.71 | 40.1 | .003 |
Abbreviations: Max, maximum; PCRT, partial-cavity radiotherapy; WCRT, whole-cavity radiotherapy.
| Structures . | . | WCRT, Gy . | PCRT, Gy . | Reduction, % . | P . |
|---|---|---|---|---|---|
| Brain | Mean | 30.91 | 24.47 | 20.8 | .133 |
| Brainstem | Max | 56.52 | 50.83 | 10.1 | .021 |
| Mean | 39.04 | 30.93 | 20.8 | .019 | |
| Optic chiasm | Max | 53.85 | 49.96 | 7.20 | .147 |
| Mean | 44.63 | 36.25 | 18.8 | .048 | |
| Ipsilateral optic nerve | Max | 52.89 | 48.87 | 7.60 | .122 |
| Mean | 39.62 | 33.66 | 15.0 | .178 | |
| Contralateral optic nerve | Max | 32.90 | 22.00 | 33.1 | .040 |
| Mean | 15.56 | 8.11 | 47.9 | .018 | |
| Ipsilateral eye | Max | 25.22 | 13.32 | 47.2 | .004 |
| Mean | 8.47 | 4.06 | 52.0 | .003 | |
| Contralateral eye | Max | 8.08 | 4.86 | 39.8 | .279 |
| Mean | 4.13 | 2.85 | 31.0 | .367 | |
| Ipsilateral lens | Max | 4.63 | 2.79 | 39.8 | .049 |
| Mean | 3.58 | 2.85 | 20.4 | .419 | |
| Contralateral lens | Max | 3.20 | 2.37 | 25.9 | .489 |
| Mean | 2.86 | 3.09 | –8.2 | .920 | |
| Ipsilateral hippocampus | Max | 66.27 | 56.85 | 14.2 | .452 |
| Mean | 62.19 | 55.76 | 10.3 | .615 | |
| Contralateral hippocampus | Max | 36.48 | 26.91 | 26.2 | .447 |
| Mean | 22.19 | 7.22 | 67.5 | .024 | |
| Pituitary | Max | 49.42 | 40.14 | 18.8 | .001 |
| Mean | 41.28 | 24.71 | 40.1 | .003 |
| Structures . | . | WCRT, Gy . | PCRT, Gy . | Reduction, % . | P . |
|---|---|---|---|---|---|
| Brain | Mean | 30.91 | 24.47 | 20.8 | .133 |
| Brainstem | Max | 56.52 | 50.83 | 10.1 | .021 |
| Mean | 39.04 | 30.93 | 20.8 | .019 | |
| Optic chiasm | Max | 53.85 | 49.96 | 7.20 | .147 |
| Mean | 44.63 | 36.25 | 18.8 | .048 | |
| Ipsilateral optic nerve | Max | 52.89 | 48.87 | 7.60 | .122 |
| Mean | 39.62 | 33.66 | 15.0 | .178 | |
| Contralateral optic nerve | Max | 32.90 | 22.00 | 33.1 | .040 |
| Mean | 15.56 | 8.11 | 47.9 | .018 | |
| Ipsilateral eye | Max | 25.22 | 13.32 | 47.2 | .004 |
| Mean | 8.47 | 4.06 | 52.0 | .003 | |
| Contralateral eye | Max | 8.08 | 4.86 | 39.8 | .279 |
| Mean | 4.13 | 2.85 | 31.0 | .367 | |
| Ipsilateral lens | Max | 4.63 | 2.79 | 39.8 | .049 |
| Mean | 3.58 | 2.85 | 20.4 | .419 | |
| Contralateral lens | Max | 3.20 | 2.37 | 25.9 | .489 |
| Mean | 2.86 | 3.09 | –8.2 | .920 | |
| Ipsilateral hippocampus | Max | 66.27 | 56.85 | 14.2 | .452 |
| Mean | 62.19 | 55.76 | 10.3 | .615 | |
| Contralateral hippocampus | Max | 36.48 | 26.91 | 26.2 | .447 |
| Mean | 22.19 | 7.22 | 67.5 | .024 | |
| Pituitary | Max | 49.42 | 40.14 | 18.8 | .001 |
| Mean | 41.28 | 24.71 | 40.1 | .003 |
Abbreviations: Max, maximum; PCRT, partial-cavity radiotherapy; WCRT, whole-cavity radiotherapy.
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