Anatomical characteristics affecting the surgical approach of oblique lateral lumbar interbody fusion: an MR-based observational study

Table 2 Comparison of the surgical window among different vertebral segmentation

Intervertebral level	\(\overline{x} \pm s\) (mm)		Men versus women		Surgical window
Intervertebral level	Men	Women	t	P	Surgical window
L2–3	15.91 ± 4.23	16.60 ± 4.21	− 1.297	0.196	16.25 ± 4.22
L3–4	14.74 ± 4.40	16.17 ± 4.79	− 2.446	0.015	15.46 ± 4.64
L4–5	11.66 ± 6.24	11.75 ± 6.35	− 0.105	0.917	11.71 ± 6.29

P value less than 0.05 was marked with bold and regarded as have statistical significant

ISSN: 1749-799X