Table 1 Average ADC, rCBV and metabolite ratios in low-grade gliomas and non-neoplastic lesions

Low-grade glioma

12

1.13 ± 0.32

1.27 ± 0.45

2.14 ± 0.71

3.34 ± 1.5

0.62 ± 0.3

All non-neoplastic lesions

27

1.2 ± 0.5

0.75 ± 0.22

1.65 ± 1.1

1.5 ± 1.6

1.46 ± 1.5

Tumefactive demyelination

7

0.96 ± 0.14

1 ± 0.2

1.85 ± 0.9

2.2 ± 2

1 ± 0.5

Tuberculoma

4

1.4 ± 0.4

0.8 ± 0.2

1.4 ± 0.33

1.14 ± 0.3

1.3 ± 0.7

Cavernoma

4

1.3 ± 0.5

0.45 ± 0.12

0.78 ± 0.5

0.66 ± 0.33

1.4 ± 1.1

Ischemia

4

0.97 ± 0.6

0.74 ± 0.14

1.1 ± 0.3

0.33 ± 0.2

4.4 ± 2

Encephalitis

3

1.65 ± 0.5

0.83 ± 0.03

1.58 ± 0.3

1.52 ± 0.3

1 ± 0.1

Vasculitis

2

1.65 ± 0.3

0.92 ± 0.2

1.34 ± 0.4

1.5 ± 0.5

0.96 ± 0.1

Pyogenic abcess

2

0.64 ± 0.04

0.49 ± 0.04

3.96 ± 0.76

4.26 ± 1.2

0.67 ± 0.2

Tylor cortical dysplasia

1

1

0.8

1.2

0.61

1.98

P value^a

–

0.74

< 0.001*

0.045*

0.002*

0.003*