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Table 2 Mean differences and 95% confident intervals of dosimetric metrics between synCT and planCT calculated doses

From: Dosimetric evaluation of synthetic CT for magnetic resonance-only based radiotherapy planning of lung cancer

  

small-sized

medium-sized

large-sized

Near Spine

Near Trachea

Near Ribs

Lung Apex

Lung

V10 (%)

0.0 ± 0.0

0.0 ± 0.2

−0.1 ± 0.0

0.0 ± 0.1

0.0 ± 0.1

0.0 ± 0.0

0.0 ± 0.1

 

V20 (%)

0.0 ± 0.1

−0.1 ± 0.1

0.1 ± 0.0

0.1 ± 0.2

0.0 ± 0.1

0.0 ± 0.0

0.0 ± 0.1

Heart

V40 (%)

0.0 ± 0.0

−0.1 ± 0.2

−0.1 ± 0.0

−0.2 ± 0.3

0.0 ± 0.1

0.0 ± 0.0

0.0 ± 0.0

Spinal Cord

Dmax (Gy)

−0.2 ± 0.1

−0.1 ± 0.2

−0.1 ± 0.1

−0.2 ± 0.2

−0.1 ± 0.1

−0.1 ± 0.1

−0.3 ± 0.1

PTV

D95 (%)

0.1 ± 0.9

−0.2 ± 0.5

−0.3 ± 0.0

−0.7 ± 0.8

−0.2 ± 0.7

1.0 ± 0.0

−0.5 ± 0.6

 

D98 (%)

0.3 ± 1.0

−0.2 ± 0.5

−0.1 ± 0.0

−0.5 ± 1.0

0.0 ± 0.7

1.2 ± 0.0

−0.3 ± 0.7

 

D100 (%)

0.7 ± 1.1

0.0 ± 0.6

0.2 ± 0.0

−0.1 ± 1.3

0.3 ± 0.8

1.3 ± 0.0

0.0 ± 0.7