preferred_name: Leg pain measured by the visual analog scale (vas) or numeric pain scale at three months (6 - 20 weeks) postoperatively was greater than 3.0 and leg pain measured by the visual analog scale (vas) or numeric pain scale within three months preoperatively and at three months (6 - 20 weeks) postoperatively demonstrated improvement of less than 5.0 points
preferred_name_lc: leg pain measured by the visual analog scale (vas) or numeric pain scale at three months (6 - 20 weeks) postoperatively was greater than 3.0 and leg pain measured by the visual analog scale (vas) or numeric pain scale within three months preoperatively and at three months (6 - 20 weeks) postoperatively demonstrated improvement of less than 5.0 points
label: Leg pain measured by the visual analog scale (vas) or numeric pain scale at three months (6 - 20 weeks) postoperatively was greater than 3.0 and leg pain measured by the visual analog scale (vas) or numeric pain scale within three months preoperatively and at three months (6 - 20 weeks) postoperatively demonstrated improvement of less than 5.0 points
label_lc: leg pain measured by the visual analog scale (vas) or numeric pain scale at three months (6 - 20 weeks) postoperatively was greater than 3.0 and leg pain measured by the visual analog scale (vas) or numeric pain scale within three months preoperatively and at three months (6 - 20 weeks) postoperatively demonstrated improvement of less than 5.0 points