Fig. 2From: Biportal endoscopic posterior lumbar decompression and vertebroplasty for extremely elderly patients affected by lower lumbar delayed vertebral collapse with lumbosacral radiculopathyClinical outcomes based on the visual analog scale (VAS) score. The VAS score (back and leg) significantly decreased from 7.78 ± 1.17 and 6.89 ± 1.13 preoperatively to 2.94 ± 0.64 and 2.67 ± 1.08 within 2 postoperative days (P < 0.001). This improvement of the VAS score lasted until the final follow-up, with the score significantly improving to 2.94 ± 0.64 and 2.44 ± 1.10 (P < 0.001). Preop, preoperatively; postop, postoperativelyBack to article page