Table 1 Baseline characteristics of the study population.

From: Three-dimensional printing model-assisted single-port laparoscopic multiple myomectomy: a randomized controlled trial

Characteristic

Control group (N = 55)

3D model group (N = 55)

P value

Demographic characteristics

 Age—yr

35.4 ± 6.4

35.2 ± 6.2

0.742

 Body mass index—kg/m²

23.6 ± 3.3

23.2 ± 3.4

0.658

Education level—no. (%)

  

0.521

 High school

17 (30.9)

12 (21.8)

 

 College

22 (40.0)

25 (45.5)

 

 Graduate

16 (29.1)

18 (32.7)

 

Medical history

 Previous abdominal surgery—no. (%)

15 (27.3)

14 (25.5)

0.412

 Family history of fibroids—no. (%)

28 (50.9)

19 (34.5)

0.634

Fibroid characteristics

 Number of fibroids

3.3 ± 1.6

3.1 ± 1.2

0.834

 Mean diameter—cm

4.7 ± 1.1

4.8 ± 1.1

0.712

FIGO classification—no. (%)

 Type 2–5 (submucosal/intramural)

28 (50.9)

26 (47.3)

0.710

 Type 6–7 (subserosal)

27 (49.1)

29 (52.7)

 

Preoperative symptoms

 Menorrhagia—no. (%)

44 (80.0)

43 (78.2)

0.789

 PBAC score

225 ± 90

251 ± 85

0.523