Table 2 Patient surgical, postoperative and follow-up information.

From: 3D printing technology combined with personalized plates for complex distal intra-articular fractures of the trimalleolar ankle

Parameters

Individualized plate group (n = 24)

Conventional plate group (n = 24)

p value

Surgery time (min)

72.7 ± 2.8

95.3 ± 2.8

< 0.001

Fracture reduction and internal fixation time (min)

37.2 ± 3.0

60.5 ± 3.1

< 0.001

Intraoperative fluoroscopy (frequency)

5 ± 0.8

8 ± 0.8

< 0.001

Incision length (cm)

11.5 ± 0.6

13.4 ± 0.7

< 0.001

Fracture healing time (weeks)

11.0 ± 1.1

11.5 ± 1.2

0.126

Follow-up time (months)

15.7 ± 2.8

15.0 ± 2.6

0.433

Fracture reduction degree n (%)

  

0.439

 Excellent reduction (< 1 mm)

21 (87.5)

19 (79.2)

 

 Fair reduction (> 2-5 mm)

3 (12.5)

5 (20.8)

 

Mazur score n (%)

  

0.033

 Excellent/good group (≥ 87 points)

22 (91.7)

16 (66.7)

 

 Fair/poor group (< 87 points)

2 (8.3)

8 (33.3)

 

Complications n (%)

  

0.22

 Present

2 (8.3)

5 (20.8)

 

 Absent

22 (91.7)

19 (79.2)

 
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