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Table 5 Correlation of measurements of MR perfusion with final histopathological diagnosis

From: MR diffusion versus MR perfusion in patients with ovarian tumors; how far could we get?

 

Pathological diagnosis

P value

Benign (I)

Borderline (II)

Malignant (III)

N = 18

N = 4

N = 25

MRE

0.577

Range

(50–190.8)

(45–200.5)

(39.7–141)

Mean ± SD

118.8 ± 49.8

118.2 ± 80.6

110.5 ± 31.3

I vs II

I vs III

II vs III

Median

139

113.6

118.5

0.966

0.284

0.752

SI max

<0.001*

Range

(66–1674.6)

(1620.5–2630.5)

(1299.6–3729)

Mean ± SD

560.8 ± 492.7

1949.8 ± 461.2

1973.1 ± 572.6

I vs II

I vs III

II vs III

Median

513.4

1774.1

1900.2

0.003*

<0.001*

0.950

WIR

   

<0.001*

Range

(1.7–76.2)

(11.6–113.2)

(14–33.5)

Mean ± SD

15.3 ± 15.7

41.6 ± 48

23.2 ± 5.4

I vs II

I vs III

II vs III

Median

13

20.9

22

0.125

<0.001*

0.704

WOR

    

Range

(0.6–6)

(1–7.5)

(6.5–17.2)

<0.001*

Mean ± SD

3.7 ± 1.9

3.1 ± 3

10.7 ± 3.1

 

Median

4.3

1.9

9.8

I vs II

I vs III

II vs III

0.670

<0.001*

0.003*

  1. Kruska-Wallis test for nonparametric quantitative data between the three groups followed by Mann-Whitney test between each two groups. Fisher exact test for qualitative data between the groups
  2. *Significant level at P value <0.05