Comparison of clinical efficacy and surgeon’s neck flexion time between unilateral biportal endoscopic lumbar fusion versus minimally invasive transforaminal lumbar fusion in the treatment of single-level lumbar degenerative diseases: a single center

Both UBE-LIF and MIS-TLIF can achieve good postoperative results. UBE has less intraoperative bleeding, less postoperative drainage flow, lower postoperative patient low back pain score, and slightly higher cost than MIS-TLIF. However, the surgeon has a shorter time to lower their head during surgery and higher comfort during surgery.