Table 2 Between-group comparisons of CSF, tumor, and PTBE volumes; DTI-ALPS index

< 0.001

< 0.001

/

/

Glioma

1.266 ± 0.258

174.53 ± 34.89

29.77(36.79)

37.48(65.11)

Health control

1.395 ± 0.174

154.25 ± 20.89

/

/

0.013

0.394

< 0.001

< 0.001

LGG

1.345 ± 0.261

178.28 ± 32.25

11.76(33.03)

15.00(27.39)

HGG

1.222 ± 0.246

172.48 ± 36.30

32.89(37.94)

49.98(63.75)

0.594

0.658

0.800

0.411

IDH-WT

1.261 ± 0.252

176.66 ± 37.75

27.59(32.42)

30.62(51.38)

IDH-MUT

1.290 ± 0.289

173.23 ± 31.72

30.62(39.42)

24.86(86.97)

0.017

0.597

0.004

0.054

astrocytoma

1.333 ± 0.286

^a0.024

172.44 ± 33.55

22.24(41.65)

^a0.043

19.74(50.28)

oligodendroglioma

1.378 ± 0.242

^b0.017

168.30 ± 34.17

17.76(22.85)

^b0.002

31.73(91.43)

glioblastoma

1.204 ± 0.220

^c0.563

178.15 ± 37.77

35.14(33.98)

^c0.873

43.79(53.01)