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Table 2 Summary the DVH analysis for the reference and the RapidPlan plans for the entire cohort of validation patients from the 3 clinics

From: A broad scope knowledge based model for optimization of VMAT in esophageal cancer: validation and assessment of plan quality among different treatment centers

 

Objective

Reference

RapidPlan

p

PTV

 Mean [%]

100 %

100.0 ± 0.0

100.0 ± 0.0

-

 D1% [%]

<107 %

104.2 ± 3.2

103.8 ± 3.1

-

 V95% [%]

>95 %

97.3 ± 2.9

98.0 ± 1.2

-

 St. Dev. [%]

<5 %

2.1 ± 0.1

2.0 ± 0.1

-

Left lung

 Mean [Gy]

<15Gy

8.9 ± 4.2

9.1 ± 4.8

-

 V20Gy [%]

<20%

12.4 ± 10.2

12.6 ± 11.0

-

Right lung

 Mean [Gy]

<15Gy

9.2 ± 4.8

9.1 ± 5.2

-

 V20Gy [%]

<20 %

12.1 ± 11.3

12.2 ± 11.7

-

Heart

 Mean [Gy]

<25Gy

11.9 ± 9.9

10.7 ± 8.3

0.03

 V30Gy [%]

<30 %

10.3 ± 16.1

7.0 ± 8.9

0.07

Spine

 D1cm3 [Gy]

<45Gy

26.2 ± 11.5

23.6 ± 9.7

0.001

Liver

 Mean

<15Gy

8.5 ± 5.9

8.6 ± 6.4

-

Spleen

 Mean [Gy]

<20Gy

14.3 ± 7.6

12.3 ± 6.3

0.004

 D1% [Gy]

<40Gy

32.6 ± 10.6

30.6 ± 11.0

-

Left kidney

 V15Gy [%]

<35 %

16.4 ± 16.9

12.7 ± 18.7

0.03

Right kidney

 V15Gy [%]

<35 %

4.7 ± 7.3

3.4 ± 5.0

-

Stomach

 D1% [Gy]

<50Gy

43.3 ± 8.8

42.5 ± 9.9

0.07

Small bowel

 Mean [Gy]

<10Gy

6.6 ± 3.1

6.3 ± 3.0

0.03

 D1% [Gy]

<45Gy

25.6 ± 9.2

24.6 ± 8.6

-