Table 3.

Clinical evaluation

	SA-OLIF (n = 20)	OLIF + LP (n = 21)	p value
VAS for back pain
Preop	3.4 ± 2.1	3.1 ± 2.1	0.615
Last follow-up	1.6 ± 2.3*	1.3 ± 1.3*	0.707
VAS for leg pain
Preop	5.4 ± 2.4	4.9 ± 2.7	0.519
Last follow-up	1.1 ± 2.2*	0.9 ± 1.9*	0.788
JOA
Preop	14.2 ± 3.0	15.7 ± 3.6	0.161
Last follow-up	22.2 ± 6.0*	24.0 ± 4.1*	0.249
ODI (%)
Preop	47.1 ± 7.7	42.5 ± 16.0	0.246
Last follow-up	12.6 ± 14.0*	16.3 ± 14.3*	0.409

SA-OLIF: stand-alone oblique lumbar interbody fusion; OLIF + LP: oblique lumbar interbody fusion combined with lateral plate fixation

^*Means statistically significant, compared with preoperative data