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Table 2 The statistical results of the univariate analysis and multivariate logistic regression analysis

From: Value of diffusion-weighted imaging combined with conventional magnetic resonance imaging in the diagnosis of thecomas/fibrothecomas and their differential diagnosis with malignant pelvic solid tumors

Indicators

Thecoma/fibrothecoma

Malignant pelvic solid mass

Univariate analysis (P)

Multivariate logistic regression analysis

B

S.E.

Wals

df

P

OR

Lower limita

Upper limita

Age (years)

58.5 ± 12.7

55.3 ± 14.5

0.302

    

   

Size (mm)

70.3 ± 41.8

78.7 ± 39.5

0.376

    

   

Shape

  

<0.001

  

7.977

2

0.019

   

 Round/oval

25

7

     

Reference

   

 Lobulated

9

3

 

−0.676

1.582

0.182

1

0.669

0.509

0.023

11.299

 Irregular

1

30

 

7.652

2.710

7.974

1

0.005

2105.780

10.390

426777.060

T2WI

  

<0.001

4.765

1.718

7.695

1

0.006

117.274

4.048

3397.444

 Hypo-

18

0

         

 Iso-

9

0

         

 Hyper-

2

40

         

 Mixed

6

0

         

Enhancement degree

  

<0.001

    

0.256

   

 Minor

20

4

     

Reference

   

 Mild

13

20

     

0.149

   

 Marked

2

14

     

0.062

   

 Severe

0

2

     

1.000

   

Pelvic fluid

  

0.001

    

0.436

   

 None

4

5

     

Reference

   

 Minor

16

6

     

0.241

   

 Small

9

6

     

0.981

   

 Large

4

23

     

0.490

   

Border

  

<0.001

21.936

2973.934

0.000

1

0.994

3.364E9

0.000

 

 Clear

35

11

         

 Not clear

0

29

         

Capsule

  

<0.001

6.105

2.972

4.221

1

0.040

448.142

1.324

151649.370

 Present

34

21

         

 Absent

1

19

         

Lowest ADC

  

<0.001

8.775

3.208

7.483

1

0.006

6467.870

12.032

3476890.705

 >1.02b

25

5

         

 <1.02b

10

35

         
  1. One case lacking the data of ADC values was not used in the statistical analysis
  2. B Value partial regression coefficient, S.E. partial regression coefficient standard errors, OR odds ratio
  3. a95 % CI (confidence interval) of OR
  4. b×10−3 mm2/s