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Figure 4 | Radiation Oncology

Figure 4

From: Multi-institutional comparison of volumetric modulated arc therapy vs. intensity-modulated radiation therapy for head-and-neck cancer: a planning study

Figure 4

Averaged absolute volume difference between DVHs for healthy tissue and p-value for pooled data. Averaged absolute volume difference between DVHs for IMRT and VMAT for healthy tissue for the pooled data (black) and stratified by institute (colors see legend). The p-values shown were obtained for the pooled data using a paired two-sided Wilcoxon signed rank test.

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Radiation Oncology

ISSN: 1748-717X

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