A clinical and biomechanical comparison of INFIX plus single versus double sacroiliac screw fixation for unstable pelvic ring injury

Table 1 Comparison of anterior pelvic ring and posterior pelvic ring displacement distance (mm) under 200–800 N axial loading

Parameter	A (INFIX + S1)	B (INFIX + S1S2)	p
Anterior pelvic ring
200 N	0.60 ± 0.13	0.67 ± 0.04	0.201
400 N	1.07 ± 0.39	0.21 ± 0.09	< 0.001
600 N	1.63 ± 0.11	0.62 ± 0.18	< 0.001
800 N	2.37 ± 0.12	1.29 ± 0.14	< 0.001
Posterior pelvic ring
200 N	0.30 ± 0.04	0.22 ± 0.09	0.161
400 N	0.38 ± 0.04	0.32 ± 0.07	0.187
600 N	0.46 ± 0.05	0.39 ± 0.08	0.176
800 N	0.54 ± 0.05	0.46 ± 0.05	0.096

ISSN: 1749-799X