From: Study on the relationship between the timing of conversion from external fixation to internal fixation and infection in the treatment of open fractures of extremities
Group
Infection
P value
Yes
No
Overall
Ratio (%)
X2/Fisher
≤ 28d
5
74
79
6.3
7.398
0.007
> 28d
10
33
43
23.3
15
107
122
12.3