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Table 2 BD results after CBCT-based setup correction (115 CT/CBCT pairs of 10 patients)

From: Development of CBCT-based prostate setup correction strategies and impact of rectal distension

 

Without RR

Manual-contour RR

Global RR

Bony RR

Local RR

  

(reference)

  

1 mm

3 mm

5 mm

8 mm

10 mm

12 mm

15 mm

20 mm

BD* median (mm)

2.86

1.48

2.18

2.17

2.20

1.95

1.84

1.84

2.01

2.01

2.04

2.10

BD* SD (mm)

1.18

0.32

0.70

0.71

1.89

1.28

0.87

0.58

0.75

0.81

0.72

0.84

  1. *BD stands for Bidirectional Distance. It was calculated for each contour comparison by averaging the BLD values over the reference contour.
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Radiation Oncology

ISSN: 1748-717X

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