Table 2.

Patient perioperative data

	SA-OLIF (n = 20)	OLIF + LP (n = 21)	p value
No. of operative levels, n (%)
Single	19 (95.0)	16 (76.2)	0.184
Double	1 (5.0)	5 (23.8)
Operative time per 1-level (min)	120.8 ± 32.8	103.7 ± 23.7	0.064
Estimated blood loss per 1-level (ml)	62 ± 24.0	52.3 ± 36.2	0.325
Perioperative complications, n (%)
Lumbar plexus injury	1 (5.0)	2 (12.5)	-
Sympathetic chain injury	–	1 (6.3)
Pseudohernia	–	1 (6.3)
Revision	2 (10.0)	2 (12.5)

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