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Table 2 Correlation between weight loss and anatomic changes of the parotids and tumor

From: Determining appropriate timing of adaptive radiation therapy for nasopharyngeal carcinoma during intensity-modulated radiation therapy

 

Anatomic change

R2*

P value

 

Volume reduction in PG-Lt

0.359

<0.001

 

Volume reduction in PG-Rt

0.294

<0.001

Weight loss

Shift towards medial direction for PG-Lt centroid

0.325

<0.001

 

Shift towards medial direction for PG-Rt centroid

0.594

<0.001

 

Volume reduction in GTVnx

0.006

0.467

 

Volume reduction in GTVnd

0.0004

0.842

  1. *Pearson correlation coefficient
  2. PG-Lt left parotid gland, PG-Rt right parotid gland
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Radiation Oncology

ISSN: 1748-717X

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