Table 5 Mean values ±standard deviation and range of the DVH criteria and NTCP results for the different scenarios

Spinal chord

D2% < 42 [Gy]

32.7 ± 3.8

32.9 ± 3.8

32.8 ± 3.8

34.0 ± 3.8

33.5 ± 3.8

23.3–41-3

23.4–41.5

23.3–41.5

24.1–42.6

23.7–42.1

Myelitis/Necrosis [%]

0.1 ± 0.4

0.1 ± 0.4

0.1 ± 0.4

0.1 ± 0.5

0.1 ± 0.5

0–2

0–2

0–2

0–2

0–2

Right Parotid gland

Mean < 25 [Gy]

19.3 ± 4.6

19.5 ± 4.6

19.4 ± 4.6

20.6 ± 4.8

20.0 ± 4.7

9.5–25.4

9.6–25.5

9.6–25.6

10.7–27.3

10.2–26.5

V20Gy < 60 [%]

35.0 ± 14.8

35.5 ± 15.1

35.3 ± 15.0

38.2 ± 16.4

36.7 ± 15.6

0.0–57.9

0.0–59.3

0.0–58.3

0.0–63.0

0.0–60.9

Xerostomia [%]

0.5 ± 0.8

0.5 ± 0.8

0.5 ± 0.8

0.8 ± 1.2

0.7 ± 1.0

0–3

0–3

0–3

0–5

0–4

Left Parotid gland

Mean < 25 [Gy]

20.7 ± 4.0

21.1 ± 4.0

20.9 ± 4.0

22.2 ± 4.2

21.6 ± 4.1

12.6–25.6

12.8–25.7

12.7–25.6

13.6–27.3

13.2–26.5

V20Gy < 60 [%]

41.0 ± 11.2

41.7 ± 11.5

41.3 ± 11.3

44.5 ± 12.5

43.1 ± 11.9

17.8–56.8

18.0–57.4

17.9–57.0

18.9–61.3

18.4–59.1

Xerostomia [%]

0.6 ± 0.9

0.6 ± 0.9

0.6 ± 0.9

1.1 ± 1.3

0.8 ± 1.0

0–3

0–3

0–3

0–5

0–4

Larynx

D2% < 63 [Gy]

54.8 ± 5.2

55.2 ± 5.2

55.0 ± 5.2

56.5 ± 5.3

55.8 ± 5.2

43.8–63.4

44.1–63.8

43.9–63.5

45.5–65.1

44.7–64.3

Mean < 44 [Gy]

34.4 ± 4.7

34.8 ± 4.7

34.5 ± 4.8

36.1 ± 4.8

35.4 ± 4.8

18.2–42.9

19.4–43.3

18.3–43.0

19.5–44.8

19.0–43.9

Edema [%]

11.2 ± 8.2

11.8 ± 8.5

11.4 ± 8.3

15.5 ± 10.3

12.7 ± 9.4

0–30

0–32

0–31

0–37

0–34

Vocal chords

D2% < 25 [Gy]

22.0 ± 2.2

22.3 ± 2.3

22.1 ± 2.2

23.7 ± 2.2

23.0 ± 2.2

17.5–26.0

17.7–26.3

17.6–26.1

20.0–27.8

18.8–26.9