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Table 2 Radiographic assessment of the fractures

From: Risk factors for refracture after plate removal for midshaft clavicle fracture after bone union

 

Refracture (n = 20)

No refracture (n = 258)

p

Fixation device

  

0.270

 Dynamic compression plate

20 (100%)

241 (93.4%)

 

 Locking compression plate

0

16 (6.6%)

 

Wires used?

  

0.193

 Yes

6 (30%)

50 (19.4%)

 

 No

14 (70%)

208 (80.6%)

 

Interfragmentary screws used?

  

0.154

 Yes

4 (20%)

94 (36.4%)

 

 No

16 (80%)

164 (63.6%)

 

AO/OTA classification

  

0.965

 15.2A

3 (15%)

38 (14.7%)

 

 15.2B

15 (75%)

189 (73.3%)

 

 15.2C

2 (10%)

31 (12.0%)

 

Robinson classification

  

0.910

 2A1

0

2 (0.8%)

 

 2A2

1 (5%)

23 (8.9%)

 

 2B1

15 (75%)

186 (72.1%)

 

 2B2

4 (20%)

47 (18.2%)

 

Clavicular length (mm)

15.0 ± 1.4 (12.9–17.5)

16.1 ± 1.4 (12.1–19.3)

0.002

Bone diameter at the fracture site (mm)

1.14 ± 0.23 (0.81–1.79)

1.25 ± 0.19 (0.73–1.64)

0.021

Callus formation

  

0.567

 Yes

1 (5%)

10 (3.9%)

 

 No

19 (95%)

248 (96.1%)

 
  1. All values are mean ± standard deviation (range) or n (%)