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Table 3 ADCmean (×10− 3 mm2/s) measured in 10 tissues across the whole body at 1.5T (top) and 3T (bottom)

From: A whole-body diffusion MRI normal atlas: development, evaluation and initial use

1.5T

 

ADCmean

all (n = 38)

VOI size

all (n = 38)

ADCmean

M (n = 21)

ADCmean

F (n = 17)

p-value M vs. F

%RC (n = 5)

Parietal WM

0.77 (0.037)

0.6 (0.2)

0.77 (0.040)

0.77 (0.033)

0.84

7.6

Cerebellar WM

0.67 (0.026)

1.3 (0.4)

0.67 (0.025)

0.67 (0.028)

0.75

4.3

Liver

0.60 (0.24)

8.6 (3.8)

0.53 (0.19)

0.69 (0.26)

0.045

48.1

Spleen

0.66 (0.15)

5.4 (2.0)

0.66 (0.14)

0.67 (0.16)

0.87

34.9

Kidney

1.91 (0.19)

7.6 (2.1)

1.88 (0.20)

1.94 (0.17)

0.35

15.0

Vertebral body

0.36 (0.12)

5.9 (1.3)

0.31 (0.10)

0.42 (0.12)

0.0047

38.7

Psoas muscle

0.77 (0.23)

4.0 (1.6)

0.63 (0.16)

0.93 (0.18)

< 0.001

48.1

Pelvic bone

0.37 (0.10)

3.2 (0.8)

0.37 (0.093)

0.37 (0.11)

0.97

24.9

Femur

0.29 (0.11)

2.5 (0.7)

0.23 (0.060)

0.36 (0.11)

< 0.001

45.0

Thigh muscle

0.88 (0.23)

5.5 (1.4)

0.77 (0.17)

1.02 (0.22)

< 0.001

34.9

3T

 

ADCmean

all (n = 29)

VOI size

all (n = 29)

ADCmean

M (n = 16)

ADCmean

F (n = 13)

p-value M vs. F

%RC (n = 5)

Parietal WM

0.70 (0.074)

1.6 (0.5)

0.69 (0.077)

0.72 (0.067)

0.23

11.9

Cerebellar WM

0.71 (0.052)

1.4 (0.4)

0.72 (0.054)

0.71 (0.050)

0.63

9.8

Liver

1.24 (0.27)

11.6 (3.3)

1.19 (0.31)

1.30 (0.19)

0.31

17.6

Spleen

0.94 (0.25)

4.6 (1.9)

0.92 (0.25)

0.96 (0.26)

0.72

69.8

Kidney

2.03 (0.20)

7.7 (2.0)

2.04 (0.13)

2.02 (0.26)

0.78

21.2

Vertebral body

0.37 (0.11)

6.5 (1.6)

0.39 (0.11)

0.36 (0.11)

0.44

38.0

Psoas muscle

1.42 (0.067)

5.5 (2.0)

1.40 (0.072)

1.43 (0.057)

0.25

7.3

Pelvic bone

0.37 (0.075)

2.7 (0.7)

0.35 (0.080)

0.39 (0.059)

0.12

36.3

Femur

0.40 (0.076)

2.6 (1.0)

0.37 (0.048)

0.42 (0.095)

0.13

17.8

Thigh muscle

1.58 (0.093)

5.5 (1.5)

1.54 (0.080)

1.63 (0.079)

0.0042

5.9

  1. For ADCmean and VOI size (ml), the mean is given with the SD in parentheses. P-values are shown for comparisons between male and female ADCmean values for each tissue type. Statistically significant comparisons are highlighted in bold (p < 0.05). The last column shows test-retest results for each tissue type in the form of %RC. M=male, F=female, WM=white matter.