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Table 7 Plan quality ratios of the re-optimized Type-C plan over the original Type-B plan for the 11 re-optimized patients on PTV coverage (V100%), Paddick conformity index (PCI) and homogeneity index (HI)

From: A comprehensive dosimetric study on switching from a Type-B to a Type-C dose algorithm for modern lung SBRT

Pt #

PTV Volume (cm3)

D95% Reduction (%)

Ratio V100%

Ratio PCI

Ratio HI

1

6.1

12.5

1.0

1.0

1.2

2

6.5

2.3

1.0

1.0

1.2

3

13.0

10.6

1.0

1.0

1.1

4

13.6

15.1

1.0

1.0

1.1

5

14.1

7.4

1.0

1.0

1.1

6

17.0

4.1

1.0

1.0

1.2

7

18.0

4.5

1.0

1.0

1.0

8

35.4

9.1

1.0

1.0

1.0

9

37.1

4.7

1.0

1.1

1.0

10

48.8

9.7

1.0

1.0

1.4

11

58.4

16.7

1.0

1.0

1.1

  1. Also listed are the PTV volumes and PTV D95% reduction revealed by the corresponding re-calculated Type-C plans