Imaging Evaluation of Insertion Point Accuracy in Retrograde Intramedullary Femoral Nailing

Table 2

Univariate and linear regression analyses of all factors on the coronal plane.

	Coronal plane		Univariate analysis	Linear regression analysis
		Deviation (mm)	value^a	Unstandardized	Unstandardized SE	Standardized	value
Method of needle insertion
Fluoroscopy	48		0.13	-1.55	0.77	-0.22	0.05
Direct vision	48
Limited open reduction
Yes	42		0.92
No	54
Side
Left	58		0.41
Right	38
Intramedullary nail diameter
≥11	49		0.36
<11	47
Mechanism of injury
High energy	61		0.92
Low energy	35
Fracture classification
A33	55		0.55
A32	41

^a values are based on two independent-sample -tests.