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Table 5 Parameter evaluation of the LC defined using prone CT simulation images and different prone MR simulation images based on DIR

From: DE-MR simulation imaging for prone radiotherapy after breast-conserving surgery: assessing its application in lumpectomy cavity delineation based on deformable image registration

  LCCT–LCT2 LCCT–LC2T1 LCCT–LC5T1 LCCT–LC10T1 F value P value
Median Range Median Range Median Range Median Range
CI 0.48 0.35–0.56 0.44 0.39–0.58 0.45 0.30–0.55 0.49 0.38–0.56 0.584 0.628
DI 0.67 0.57–0.75 0.68 0.60–0.84 0.65 0.56–0.79 0.7 0.56–0.85 0.661 0.58
COM (cm) 0.56 0.40–0.73 0.49 0.38–0.70 0.53 0.37–0.70 0.46 0.31–0.80 0.935 0.432
  1. CI conformal index, DI degree of inclusion, COM the distance between the center of mass of the targets, LCCT the LC delineated based on CT simulation images, LCT2 the LC delineated based on T2WI, LC2T1 the LC delineated based on 2nd min DE-TIWI, LC5T1 the LC delineated based on 5th min DE-TIWI, LC10T1 the LC delineated based on 10th min DE-TIWI
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Radiation Oncology

ISSN: 1748-717X

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