Table 4 The table shows the ADC of gadobutrol, derived from DTI and simulation (SIM), for the CSF tracer and three different data sets.

From: Apparent diffusion coefficient estimates based on 24 hours tracer movement support glymphatic transport in human cerebral cortex

ID

DTI GM

DTI WM

SIM GM

SIM WM

DIFF. GM

DIFF. WM

RL2ND

(NPH)

1.3 ± 0.4

1.1 ± 0.3

1.6 ± 0.1

2.0 ± 0.1

23 ± 10%

82 ± 4%

0.28

(REF)

1.4 ± 0.4

1.1 ± 0.3

1.7 ± 0.1

1.4 ± 0.1

26 ± 7%

30 ± 2%

0.27

(NPH)

1.4 ± 0.4

1.1 ± 0.3

1.5 ± 0.1

1.4 ± 0.1

5 ± 5%

29 ± 12%

0.32

  1. The ADC unit is 10−4 mm2/s, and the standard deviations for the simulations were estimated from the ensemble of computed values. The right most column reports the relative l2 norm of the differences between simulations and observations (RL2ND).