Table 2 Primary and secondary outcomes.

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

Outcome

Control group (N = 55)

3D model group (N = 55)

Difference (95% CI)

P value

Primary outcomes

 Total operative time—min

103.3 ± 22.9

77.6 ± 19.5

25.7 (17.7 to 33.7)

0.001

 Estimated blood loss—ml

183.4 ± 55.9

159.0 ± 47.2

24.4 (5.1 to 43.7)

0.050

Secondary outcomes

 Uterine suturing time—min

26.4 ± 7.6

22.8 ± 8.1

3.7 (1.7 to 5.7)

0.016

 Length of hospital stay—days

4.4 ± 0.3

4.5 ± 0.3

-0.1 (-0.2 to 0.1)

0.100

 NASA-TLX workload score‡

62.6 ± 13.0

52.4 ± 10.8

10.1 (5.6 to 14.7)

< 0.001

 Patient satisfaction score§

6.7 ± 0.8

8.5 ± 1.2

-1.8 (-2.19 to -1.44)

< 0.001

  1. ‡NASA Task Load Index scores range from 0 to 100, with higher scores indicating greater workload. §Patient satisfaction scores range from 1 to 10, with higher scores indicating greater satisfaction.
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