Stand-Alone Lateral Interbody Fusion for the Treatment of Low-Grade Degenerative Spondylolisthesis

Table 3

Subsidence versus demographic and operative data.

	Subsidence grade
	0/I	II/III	P value
Age (years)	65.5 ± 11.5	71.7 ± 9.4	0.019*
Female	64%	100%	0.041*
L4-5	44.2%	88.9%	0.038*
Olisthesis	15.2 ± 5.5%	14.5 ± 3.6%	0.721

*statistically significant.