Table 1 Relation between meningioma operative consistency and different MRI parameters

T2 signal

 Hyperintense

14

73.7

5

35.7

0

p = 0.001*

 Isointense

5

26.3

8

57.1

5

 Hypointense

0

0.0

1

7.1

2

Significance between groups

p₁ = 0.047*, p₂ = 0.001*, p₃ = 0.117

Diffusion

 Free diffusion

2

10.5

0

0.0

3

p < 0.001*

 Iso diffusion

2

10.5

4

28.6

4

 Restricted

15

78.9

10

71.4

0

Significance between groups

p₁ = 0.322, p₂ = 0.001*, p₃ = 0.001*

ADC

× 10⁻⁵ cm²/s

× 10⁻⁵ cm²/s

× 10⁻⁵ cm²/s

 Min.–Max

0.60–1.30

0.70–1.20

0.90–1.40

p = 0.024*

 Mean ± SD

0.89 ± 0.19

0.88 ± 0.22

1.13 ± 0.21

 Median

0.85

0.80

1.10

Significance between groups

p₁ = 0.987, p₂ = 0.031*, p₃ = 0.031*

TCTI ratio

 Min.–Max

1.75–2.87

1.31–1.60

0.90–1.20

p < 0.001*

 Mean ± SD

1.99 ± 0.29

1.50 ± 0.10

1.09 ± 0.11

 Median

1.90

1.53

1.10

Significance between groups

p₁ < 0.001*, p₂ < 0.001*, p₃ = 0.001*