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Table 3 The mean, standard deviation, 95% confidence interval, and the range of the extracted quantitative variables for the entire population along with the mean values of each parameter for benign and malignant lesions

From: Investigating the diagnostic value of quantitative parameters based on T2-weighted and contrast-enhanced MRI with psoas muscle and outer myometrium as internal references for differentiating uterine sarcomas from leiomyomas at 3T MRI

Variable

Mean ± STD,

(95% CI)

Range

Min-Max

#

Missing

Status

No.

Mean ± STD

T2 Mapa

72.77 ± 15.06

(69.36 -75.74)

47–105

17

B

68

66.78 ± 10.94

M

20

93.15 ± 7.14

T2 Scaled Ratioa

0.28 ± 0.26

(0.23 -0.33)

−0.18-1.02

1

B

84

0.19 ± 0.18

M

20

0.66 ± 0.21

Tumor Myometrium Contrast Ratio on T2a

0.2 ± 0.75

(0.06 -0.35)

−0.99-2.19

4

B

82

−0.02 ± 0.61

M

19

1.12 ± 0.55

Tumor Psoas Contrast Ratio on T2a

1.32 ± 1.42

(1.05 -1.58)

−0.61-5.48

0

B

84

0.85 ± 1.02

M

21

3.19 ± 1.23

Tumor Myometrium Contrast Enhanced Ratioa

0.11 ± 0.45

(1.03 -1.23)

−0.75-1.49

4

B

82

0.00 ± 0.39

M

19

0.61 ± 0.33

Tumor Psoas Contrast Enhanced Ratioa

1.14 ± 0.55

(0.02 -0.20)

−0.14-2.97

0

B

84

1.00 ± 0.44

M

21

1.68 ± 0.58

  1. aIndicates a variable that led to a p < 0.001; STD shows standard deviation; B and M represent benign and malignant groups respectively; 95% CI shows 95% confidence interval for the mean values and # Missing indicate number of missing cases; No. stands for number of cases in each group