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Table 2 Results of manual landmark registration for evaluation of the accuracy of the deformable image registration

From: Evalution of surface-based deformable image registration for adaptive radiotherapy of non-small cell lung cancer (NSCLC)

  CTplan versus CTFU CTplan versus CTdeform
  Average (mm) StDev (mm) 90th percentile (mm) Average (mm) StDev (mm) 90th percentile (mm)
GTV 11.8 ± 5.1 21 2.9 ± 1.2 5.7
Carina 6.0 ± 3.2 10 4.5 ± 2.5 6.5
Pulmonary landmarks - same lobe as GTV 8.3 ± 3.8 15 5.5 ± 2.3 11
Pulmonary landmarks - different lobes as GTV 8.0 ± 3.8 13 6.3 ± 2.8 13