The efficacy of 3D gait analysis to evaluate surgical (and rehabilitation) outcome after degenerative lumbar surgery

Table 5 Correlation analysis of 3D gait quantitative parameters, pelvic-lumbar imaging parameters and rehabilitation assessment scale

Project	ΔLL	Δ DH	ΔADH	ΔVAS score	ΔJOA score	ΔODI value	Δ multifidus cross-sectional area
Δ stride duration	-0.374 ^**	-0.424 ^**	-0.368 ^**	0.387 ^**	-0.391 ^**	0.467 ^**	-0.279 ^**
Δ Standing time	-0.205 ^**	-0.255 ^**	-0.198 ^**	0.178 ^*	-0.173 ^*	0.235 ^**	-0.191 ^**
Δ Swing time	-0.351 ^**	-0.446 ^**	-0.390 ^**	0.498 ^**	-0.480 ^**	0.497 ^**	-0.293 ^**
Δ double support phase	-0.485 ^**	-0.512 ^***	-0.482 ^**	0.572 ^***	-0.498 ^**	0.621 ^**	-0.384 ^**
Δ stride length	0.414 ^**	0.515 ^***	0.401 ^**	-0.478 ^**	0.444 ^**	-0.504 ^***	0.444 ^**
Δ step size	0.226 ^**	0.343 ^**	0.250 ^**	-0.277 ^**	0.298 ^**	-0.326 ^**	0.175 ^*
Δpace _	0.512 ^***	0.612 ^***	0.526 ^***	-0.528 ^***	0.524 ^***	-0.615 ^***	0.521 ^***
Δpace _	0.541 ^***	0.635 ^***	0.574 ^***	-0.632 ^***	0.416 ^**	-0.685 ^***	0.715 ^***
ΔPelvic tilt	-0.725 ^***	-0.652 ^***	-0.485 ^**	0.745 ^***	-0.596 ^***	0.741 ^***	-0.485 ^**
Δ pelvic rotation	-0.685 ^***	-0.585 ^***	-0.652 ^***	0.615 ^***	-0.635 ^***	0.699 ^***	-0.512 ^***
ΔHip adduction and abduction	-0.578 ^***	-0.635 ^***	-0.584 ^***	0.625 ^***	-0.645 ^***	0.711 ^***	-0.536 ^***
Δ hip flexion	0. 525 ^***	0.516 ^***	0.532 ^***	-0.698 ^***	0.486 ^**	-0.698 ^***	0.516 ^***
Δ hip rotation	− 0.658 ^***	-0.585 ^***	-0.698 ^***	0.635 ^***	-0.615 ^***	0.674 ^***	-0.528 ^***
ΔKnee flexion and extension	0.642 ^***	0.638 ^***	0.628 ^***	-0.775 ^***	0.810 ^***	-0.785 ^***	0.553 ^***

Abbreviations: delta-lumbar lordosis (ΔLL); delta-intervertebral space height (Δ DH); delta-anterior height of the intervertebral space (ΔADH); sacral slope (SS); pelvic incidence (PI); posterior height of the intervertebral space (PDH); delta-visual analog pain scale (ΔVAS) score; delta-Japanese Orthopedic Association (ΔJOA) score; delta-Oswestry Disability Index (ΔODI) value. Note: delta (Δ) represents the difference before operation and 6 months after operation, ^*P <0.05, ^**P <0.01, ^***P <0.001

ISSN: 1471-2482