Results: Operative time in groups S and T was 113.8 and 159.5 min, respectively. Intraoperative blood loss volume was 72 ml in group S and 132.8 ml in group T. None of the cases in either group had perioperative complications. The JOABPEQ indicated significant improvements in Low back pain, Lumbar ability, Walking ability, Social life ability and Mental health in group S and significant improvements in Low back pain, Walking ability, Social life ability and Mental health in group T. VAS scores in both groups of group S and T were significantly improved in all evaluation items. Operative time was shorter in group S than in group T. Low back pain according to the JOABPEQ was significantly improved in group S as compared to group T, as was the VAS score of leg numbness. The profit ratio of group S was significantly higher than that of group T, at 53% and 42%, respectively.