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Table 2 Comparison between CBCT and 3DUS shifts for patients using TAUS and TPUS modality

From: Analyses of the factors influencing the accuracy of three-dimensional ultrasound in comparison with cone-beam CT in image-guided radiotherapy for prostate cancer with or without pelvic lymph node irradiation

 

TAUS

TPUS

SI

LR

AP

SI

LR

AP

Mean ± SD

−0.50 ± 5.32

− 0.44 ± 3.90

−1.11 ± 4.16

−0.03 ± 5.22

0.18 ± 2.87

0.31 ± 4.37

P value

0.019

0.005

< 0.001

0.899

0.151

0.103

Shift agreement (%)

67.8

83.4

78.5

67.3

92.1

76.7

LOA (mm)

(−10.93, 9.93)

(−8.08, 7.20)

(−9.26, 7.04)

(− 10.26, 10.20)

(−5.45, 5.81)

(− 8.26, 8.88)

  1. CBCT Cone-beam computed tomography, 3DUS Three-dimensional ultrasound, TAUS Transabdominal ultrasound, TPUS Transperineal ultrasound, SI Superior-inferior, LR Left-right, AP Anterior-posterior, SD Standard deviation, LOA Limits of agreement
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Radiation Oncology

ISSN: 1748-717X

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