Table 1 Association between risk factors and pathology among studied cases

Age/years

Mean ± SD

45.8 ± 6.1

31.9 ± 6.7

t = 7.5

p < 0.001*

1.4 (1.1–1.7)

Long diameter

Mean ± SD

32.1 ± 5.5

22.1 ± 7.3

t = 5.7

p < 0.001*

1.2 (1.13–1.46)

Short diameter

Mean ± SD

21.9 ± 6

13.5 ± 5.2

t = 5.7

p < 0.001*

1.3 (1.1–1.6)

ADC * 10–3/mm

Mean ± SD

1.3 ± 0.1

1.1 ± 0.1

t = 3.9

p = 0.002*

508 (undefined)

CHO.SNR

3.1 ± 0.8

0.8 ± 0.5

t = 13.5

p < 0.001*

(Undefined)

mean ± SD

Shap n (%)

Oval (r)

9 (47.3)

30 (81.1)

1

1

Round

3 (15.7)

5 (13.5)

χ² = 0.7, p = 0.39

2 (0.39–10)

Irregular

7 (36.8)

2 (5.4)

χ² = 9.8, p = 0.002*

11.6 (2–66.4)

Margin n (%)

Circumscribed (r)

6 (31.5)

32 (86.5)

χ² = 17.4, p = 0.003*

1

Non-circumscribed

13 (68.4)

5 (13.5)

13.8 (3.5–53.5)

T2 Signal intensity n (%)

High

19 (100)

27 (73)

χ² = 6.2, p = 0.012*

1

Not high

0 (0)

10 (18.9)

Undefined

Enhancement n (%)

Homogeneous (r)

2 (10.5)

34 (91.9)

FET, p = 0.003*

22.67(2.8–179.1) 1

Heterogeneous

4 (21)

3 (8.1)

Undefined

Rim enhancement

6 (31.5)

0 (0)

FET, p = 0.001*

Undefined

Enhancing internal septations

7 (36.8)

0 (0)

FET, p < 0.001*

Dynamic curve n (%)

Type 1

1 (5.2)

29 (78.3)

FET, p = 0.2

Undefined

Type 2

11 (57.8)

8 (21.6)

χ² = 2, p = 0.1

2.3 (0.72–0.2)

Type 3 (r)

7 (36.8)

0(0)

1

Dark internal septations n (%)

Absent

17 (89.4)

8 (21.6)

χ² = 23.3

p < 0.001*

30.8 (5.8–162)

Present (r)

2 (10.5)

29 (78.4)

1