Biomechanical study of a low-cost external fixator for diaphyseal fractures of long bones

Table 2 ANOVA results of stiffness, expressed as mean ± SD, after comminuted fractures

Type of configuration	UBEF1	UBEF2	H3-DR	p value	UBEF1 vs. UBEF2	UBEF1 vs. H3-DR	UBEF2 vs. H3-DR
					p value	p value	p value
Axial stiffness N mm⁻¹	234.7 ± 11.7	228.2 ± 10.2	98.8 ± 4.0	< 0.001	0.53	< 0.001	< 0.001
ML bending stiffness N mm⁻¹	62.2 ± 17.1	48.3 ± 15.7	15.2 ± 1.2	0.013	0.4	0.012	0.054
Torsional stiffness Nm degree⁻¹	1.5 ± 0.16	1.6 ± 0.04	1.0 ± 0.01	< 0.001	0.8	0.001	< 0.001

ISSN: 1749-799X