Table 4 Compared the pseudodiffusion parameter derived from IVIM DWI between normal WM and GM among groups with different high b-value distribution

6.199 ± 1.223

11.027 ± 1.836

10.267

<  0.001

5.450 ± 0.780

9.264 ± 1.215

12.392

<  0.001

4.150 ± 0.694

6.312 ± 1.000

8.330

<  0.001

3.379 ± 0.322

4.986 ± 1.017

7.066

<  0.001

2.533 ± 0.198

3.869 ± 0.748

8.101

<  0.001

2.365 ± 0.141

3.377 ± 0.637

7.273

<  0.001

6.595 ± 1.188

9.781 ± 0.871

10.147

<  0.001

7.098 ± 1.073

10.225 ± 1.180

9.193

<  0.001

12.381 ± 1.200

13.200 ± 1.759

1.804

0.078^a

18.055 ± 1.220

15.664 ± 1.760

5.237

<  0.001

27.827 ± 1.099

22.445 ± 1.563

13.210

<  0.001

32.241 ± 1.161

25.277 ± 1.499

17.231

<  0.001