Table 4 General Characteristics of Uterine Fibroids from a Single External Hospital We Collaborated With.

From: Multi-sequence magnetic resonance imaging radiomics combined with imaging features predicts the difficulty of HIFU treatment of uterine fibroids

Characteristics

EEF

Value

P

The kind of test-statistic

Number of patients (n)

40

–

–

Age (y)

38.3 ± 6.9

0.451

Spearman

Shortest distance from the ventral side to the skin at the level of the center of the target fibroid (mm)

52.3 ± 22.1

0.015

Spearman

Thickness of the abdominal wall at the level of the center of the target fibroid (mm)

26.9 ± 7.7

0.507

Spearman

Thickness of the subcutaneous fat (mm)

20.7 ± 6.6

0.774

Spearman

Distance from the dorsal side of the uterine fibroid to the sacrum (mm)

19.7 (9.1, 43.1)

0.936

Spearman

Volume of uterine fibroid (mm3)

99615.5 (63524.3, 143242.4)

0.001

Spearman

NPV (mm3)

92768.4 (62866.0, 133006.6)

 < 0.001

Spearman

T2WI signal

218.8 ± 104.4

0.036

Spearman

Uterine position (anterior/medial/posterior)

29/3/8 (72.5%/7.5%/20.0%)

0.319

H-test

Type of fibroid (intermural/submucosal/subserosal)

30/5/5 (75.0%/12.5%/12.5%)

0.001

H-test

Degree of enhancement on T1WI (mild/moderate/significant)

17/10/13 (42.5%/25.0%/32.5%)

0.995

H-test

DWI signal intensity (hypointense /isointense/hyperintense)

18/6/16 (45.0%/15.0%/40.0%)

0.042

H-test

Average irradiation power (W)

400 (400, 400)

0.578

Spearman

Irradiation time (s)

790.0 (541.0, 1150.3)

0.620

Spearman

EEF (J/mm3)

2.5 (1.7, 3.7)

–

–