Journal of Orthopaedics and Traumatology

Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 2 Multivariate analysis of risk factors associated with femoral shaft refracture

From: Risk factors for refracture of the femoral shaft in children after removal of external fixation

Risk factors	Refracture	No refracture	P value
PCCF type			< 0.001^#
32-D/4.1	5	73
32-D/5.1	7	53
32-D/4.2	12	15
32-D/5.2	0	0
L1/L3^a	0.46 ± 0.05	0.41 ± 0.06	0.0727
L2/L3^a	0.65 ± 0.04	0.59 ± 0.06	0.0141^#

PCCF, AO Pediatric Comprehensive Classification of Long Bone Fractures
^#Significant difference at P < 0.05
^aL1, length of femur fixed by the two screws closest to the fracture line; L2, length of femur fixed by the two screws farthest from fracture line; L3, total femur length

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