Fig. 4From: Comparison of lumbar endoscopic unilateral laminotomy bilateral decompression and minimally invasive surgery transforaminal lumbar interbody fusion for one-level lumbar spinal stenosisThe mean visual analog scale (VAS) scores for leg and back pain, and Oswestry disability index (ODI) scores. a VAS scores for leg pain; b VAS scores for back pain; c ODI scores. Pre-op, preoperative; post-op, postoperative; LE-ULBD, lumbar endoscopic unilateral laminotomy bilateral decompression; MIS-TLIF, minimally invasive surgery transforaminal lumbar interbody fusionBack to article page