Clinical Efficacy and Safety of Trans-Sacral Epiduroscopic Laser Decompression Compared to Percutaneous Epidural Neuroplasty

Figure 1

Flow chart showing the number of patients undergoing treatment by SELD and PEN in the current study. HLD = herniated lumbar disc; SELD = trans-sacral epiduroscopic laser decompression; PEN = percutaneous epidural neuroplasty; f/u = follow-up; POD = postoperative duration.