Table 2 The ADC measurement of included studies (×10-3mm2/s) ($\overline{\text{x}}$ ± SD).

0, 750, 1000

1.05 ± 0.33

1.63 ± 0.42

N

1.23

0, 800

1.09 ± 0.38

1.67 ± 0.40

N

1.24

0, 1000

0.95 ± 0.18

1.48 ± 0.37

N

1.10

1.31

0, 200, 400, 600, 800, 1000

0.95 ± 0.02

1.51 ± 0.07

N

1.15

0.99 ± 0.03

1.47 ± 0.08

N

1.10

0, 750

1.22 ± 0.31

1.67 ± 0.54

2.09 ± 0.27

1.60

0, 1000

0.97 ± 0.20

1.57 ± 0.23

N

1.30

0, 500

1.02 ± 0.18

1.61 ± 0.32

1.67 ± 0.21

1.32

0, 1000

0.99 ± 0.16

1.59 ± 0.33

1.65 ± 0.21

1.25

0, 600

1.33 ± 0.36

1.82 ± 0.31

2.05 ± 0.33

1.44

0, 1000

1.08 ± 0.32

1.61 ± 0.33

1.85 ± 0.33

1.18

0, 800

1.15 ± 0.19

1.47 ± 0.25

N

N

0, 1000

1.08 ± 0.19

1.42 ± 0.26

N

1.38

0, 500

1.36 ± 0.38

1.64 ± 0.34

1.77 ± 0.39

1.5

0, 1000

1.18 ± 0.31

1.39 ± 0.32

1.56 ± 0.33

1.3

0, 2000

0.82 ± 0.20

1.00 ± 0.23

0.90 ± 0.27

0.90

0, 400

1.28 ± 0.48

1.71 ± 0.42

2.06 ± 0.48

1.76

0, 600

1.18 ± 0.41

1.59 ± 0.41

1.92 ± 0.53

1.64

0, 800

1.11 ± 0.41

1.70 ± 0.34

1.82 ± 0.48

1.52

0, 1000

1.05 ± 0.38

1.55 ± 0.35

1.75 ± 0.52

1.43

0, 800

0.87 ± 0.23

1.59 ± 0.26

1.98 ± 0.31

1.22

0, 1000

1.21 ± 0.26

1.49 ± 0.43

N

1.42

0, 1000

0.91 ± 0.25

1.58 ± 0.22

1.78 ± 0.51

1.01