Table 3 Comparison of quantitative variables between benign and malignant groups.

From: A Diagnostic Algorithm using Multi-parametric MRI to Differentiate Benign from Malignant Myometrial Tumors: Machine-Learning Method

Variable

Status

No. of patients

Mean ± SD

p-value

No. of Missing

Min _ Max

T2 Map*

B

68

66.78 ± 10.94

0.001+

17

47 _ 105

M

20

93.15 ± 7.14

   

T2 Scaled Ratio*

B

84

0.19 ± 0.18

0.0001+

1

−0.18 _ 1.01

M

20

0.66 ± 0.21

   

Tumor/Myometrium Ratio on T2*

B

82

−0.02 ± 0.61

0.0001+

4

−0.99 _ 2.19

M

19

1.12 ± 0.55

   

Tumor/Psoas Ratio on T2*

B

84

0.85 ± 1.02

0.0001+

0

−0.61 _ 5.48

M

21

3.19 ± 1.23

   

Tumor/Myometrium Ratio on CE*

B

82

0.00 ± 0.39

0.0001+

4

−0.75 _ 1.49

M

19

0.61 ± 0.33

   

Tumor/Psoas Ratio on CE *

B

84

1.00 ± 0.44

0.0001+

0

−0.14 _ 2.97

M

21

1.68 ± 0.58

   

ADC mean*

B

80

1.426 ± 0.233

0.0001+

4

0.57 _ 2.37

M

21

0.877 ± 0.384

   
  1. +Two independent samples t-test; *indicates a variable that led to a p<0.001; B: benign; M: malignant; Min: Minimum; Max: Maximum; SD: standard deviation; No.: number; CE: Contrast Enhanced images.