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Table 3 Percentage Change between ibIMRT and sIMRT Plans for each patient

From: Reducing radiation dose to normal brain through a risk adapted dose reduction protocol for patients with favourable subtype anaplastic glioma

Endpoint

Median% difference between ibIMRT and sIMRT Plans

Range of results

Mean Brain Dose Change

9.3%

1.0–17.8%

Mean V40 Change

19.0%

5.5–40.2%

Mean V20 Change

10.8%

1.0–25.8%

Mean Contralateral Hippocampal Dose Change

13.5%

−3.5–41.0%

Mean PTVsr dose reduction in ibIMRT Plan

5.9%

3.9–9.3%