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Table 2 Details of dosimetric criteria in the planning score (PS) system

From: Evaluation of plan quality and robustness of IMPT and helical IMRT for cervical cancer

Evaluation metric

Worst(X1)

Best (X2)

Score(X1)

Score(X2)

CTV

V46.8Gy (%)

<ā€‰90%

ā‰„98%

0

10

V50Gy (%)

ā‰„10%

ā‰¤0%

0

6

CI

ā‰¤0.6

ā‰„0.95

0

4

HI

ā‰„0.2

ā‰¤0.0

0

4

Bowel

Dmaxā€‰<ā€‰50Gy

ā‰„50Gy

ā‰¤48Gy

0

8

V45Gyā€‰<ā€‰65ā€‰cc

ā‰„80

ā‰¤40

0

5

V40Gyā€‰<ā€‰100ā€‰cc

ā‰„140

ā‰¤90

0

8

V35Gyā€‰<ā€‰180ā€‰cc

ā‰„220

ā‰¤150

0

3

Rectum

V40Gy (%)ā€‰<ā€‰50%

ā‰„60%

ā‰¤30%

0

4

V45Gy (%)ā€‰<ā€‰30%

ā‰„45%

ā‰¤20%

0

5

D2ccā€‰<ā€‰49.5ā€‰Gy

ā‰„50Gy

ā‰¤45Gy

0

6

Dmaxā€‰<ā€‰50Gy

ā‰„50Gy

ā‰¤46Gy

0

6

Sigmoid

Dmaxā€‰<ā€‰50ā€‰Gy

ā‰„50Gy

ā‰¤48Gy

0

5

V40Gyā€‰<ā€‰100ā€‰cc

ā‰„120

ā‰¤80

0

4

Bladder

Dmeanā€‰<ā€‰30ā€‰Gy

ā‰„35Gy

ā‰¤20Gy

0

5

V45Gy (%)ā€‰<ā€‰40%

ā‰„60%

ā‰¤30%

0

3

V35Gy (%)ā€‰<ā€‰50%

ā‰„80%

ā‰¤40%

0

3

D2ccā€‰<ā€‰49.5ā€‰Gy

ā‰„50Gy

ā‰¤48Gy

0

4

Femoral heads

V30Gy (%)ā€‰<ā€‰15%

ā‰„20%

ā‰¤10%

0

4

Dmaxā€‰<ā€‰45ā€‰Gy

ā‰„50Gy

ā‰¤40Gy

0

3