Percutaneous endoscopic lumbar discectomy for single and double segment lumbar disc herniation with sciatic scoliosis in adults: a retrospective study

Table 2 Perioperative parameters

Parameters	Single-segment group	Double-segment group
Operation time(min)	65.4 + 23.5	110.6 + 19.4^a
Intraoperative fluoroscopy times(time)	5.2 ± 2.1	8.9 ± 3.4^a
Amount of intraoperative blood loss(ml)	5.1 ± 3.8	9.4 ± 4.2^a
Postoperative hospital stay(day)	2.3 ± 1.1	2.6 ± 1.2

ISSN: 1471-2482