Comparison of percutaneous endoscopic and open posterior lumbar interbody fusion for the treatment of single-segmental lumbar degenerative diseases

Table 2 Comparison of intraoperative data and complications between the two groups

	PE-PLIF (n = 30)	Open PLIF (n = 30)	P
Operative times (min)	179.8 ± 31.9	125.8 ± 25.8	< 0.001
Estimated blood loss (ml)	63.3 ± 22.5	313.3 ± 183.1	< 0.001
Volume of drainage (ml)	NA	614 ± 428.2	NA
Postoperative hospitalization (days)	3.3 ± 1.0	7.0 ± 1.0	< 0.001
Complications (% n)	3.3	6.7	0.301^*
Infection	0	1
Dural tear	0	1
Contralateral radiculopathy	1	0
Reoperation	1	1

^*results from fisher’s exact test or χ² test. BMI Body mass index. PE-PLIF Percutaneous endoscopic posterior lumbar interbody fusion. Open PLIF Open posterior lumbar interbody fusion

ISSN: 1471-2474