Oblique Lumbar Interbody Fusion with Stand-Alone Cages for the Treatment of Degenerative Lumbar Spondylolisthesis: A Retrospective Study with 1-Year Follow-Up

Table 1

Main basic demographics and diagnosis of patients.

Characteristics
Gender (n)	Female 24, male 18
Age (yrs)	Mean 58, range 37–78
Fusion levels	L3-4 (4, 9.5%), L4-5 (38, 90.5%)
Follow-up (m)	Mean 13.5, range 12–16