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Table 5 Results of the Wilcoxon signed rank test. The p values of the Wilcoxon signed rank test for the six different pairs are displayed for ventilation. For perfusion, only the comparison between unormalized and normalized using the best perfusion ROI was considered. The ‘*’ indicates statistically significant differences between the compared techniques at =5%

From: Ventilation and perfusion MRI at a 0.35 T MR-Linac: feasibility and reproducibility study

 

p value

Pairs

Vw-map

Qw-map

Aorta

Lung

Total

Aorta

Lung

Total

Factor versus uncorr.

< 0.01*

< 0.01*

< 0.01*

   

Best ROI versus uncorr.

< 0.01*

< 0.01*

< 0.01*

< 0.01*

0.02*

< 0.01*

Worst ROI versus uncorr.

< 0.01*

< 0.01*

< 0.01*

   

Best ROI versus Factor

< 0.01*

0.18

0.02*

   

Factor versus worst ROI

0.61

0.59

0.71

   

Best ROI versus worst ROI

0.03*

0.12

0.01*

   
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Radiation Oncology

ISSN: 1748-717X

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