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Table 2 SVZ related characteristics according to the method of delineation

From: Subventricular zones: new key targets for glioblastoma treatment

 

SVZ without temporal horn (TH-) (n = 40)

SVZ with temporal horn (TH+) (n = 40)

p

Volume (cm3)

 iSVZ

5 (3.4–11)

7.8 (4.9–15.5)

<0.001

 cSVZ

5.5 (3.4–9.6)

7.8 (5.6–15.1)

<0.001

 bSVZ

10.6 (6.8–20.6)

15 (11.8–30.6)

<0.001

Mean dose (Gy)

 iSVZ

51.3 (17.9–61.4)

45.7 (22.9–61.5)

0.298

 cSVZ

15.4 (1.4–48.7)

13.7 (1.3–41.5)

<0.001

 bSVZ

35 (10.8–51.8)

32.9 (14–46.4)

0.830

V10Gy (%)

 iSVZ

100 (41.3–100)

100 (55.4–100)

0.637

 cSVZ

83.4 (0–100)

73.6 (0–100)

0.074

 bSVZ

90.9 (26.6–100)

86.5 (36.5–100)

0.264

V20 Gy (%)

 iSVZ

96.8 (16.9–100)

83.7 (29.8–100)

0.256

 cSVZ

11.6 (0–100)

8.2 (0–92.1)

<0.001

 bSVZ

52.6 (8.4–100)

52.3 (15–96.1)

0.444

V30 Gy (%)

 iSVZ

87.6 (11.2–100)

72.1 (20.8–100)

0.392

 cSVZ

0 (0–83.8)

0 (0–66.6)

<0.001

 bSVZ

48.5 (5.6–91.3)

46.3 (10.4–76.5)

0.861

V40 Gy (%)

 iSVZ

79.7 (8.5–100)

67 (17.5–100)

0.357

 cSVZ

0 (0–75.6)

0 (0–62.2)

<0.001

 bSVZ

43.5 (4.2–83.8)

40.8 (8.8–72.7)

0.883

V50 Gy (%)

 iSVZ

69.1 (5.5–100)

63.8 (14.2–100)

0.451

 cSVZ

0 (0–71.4)

0 (0–56.4)

<0.001

 bSVZ

37 (2.7–74.3)

34.9 (7.1–66.3)

0.798

V60 Gy (%)

 iSVZ

28.7 (0–99.1)

28.2 (0–99.7)

0.687

 cSVZ

(0–53.9)

0 (0–41.8)

0.317

 bSVZ

13.8 (0–60.6)

14.2 (0–49.9)

0.677

  1. Abbreviations: iSVZ ipsilateral SVZ, cSVZ contralateral SVZ, bSVZ bilateral SVZ, VxGy volume of SVZ (%) receiving more than x Gy