International Journal of Surgery Comparison of percutaneous endoscopic lumbar discectomy versus open lumbar microdiscectomy for lumbar disc herniation: A meta-analysis Wenfeng Ruan, Fan Feng, Zhengye Liu, Jiangtao Xie, Lin Cai, Ansong Ping International Journal of Surgery Volume 31, Pages 86-92 (July 2016) DOI: 10.1016/j.ijsu.2016.05.061 Copyright © 2016 IJS Publishing Group Ltd Terms and Conditions
Fig. 1 Search strategy. International Journal of Surgery 2016 31, 86-92DOI: (10.1016/j.ijsu.2016.05.061) Copyright © 2016 IJS Publishing Group Ltd Terms and Conditions
Fig. 2 Forest plot: weighted mean difference (WMD) in preoperative VAS-BP score and 95% CI for PLED versus OLM of lumbar disc herniation. No significant difference was found between the two groups. International Journal of Surgery 2016 31, 86-92DOI: (10.1016/j.ijsu.2016.05.061) Copyright © 2016 IJS Publishing Group Ltd Terms and Conditions
Fig. 3 Forest plot: weighted mean difference (WMD) in postoperative VAS-BP score and 95% CI for PELD versus OLM of lumbar disc herniation. No significant difference was found between the two groups. International Journal of Surgery 2016 31, 86-92DOI: (10.1016/j.ijsu.2016.05.061) Copyright © 2016 IJS Publishing Group Ltd Terms and Conditions
Fig. 4 Forest plot: weighted mean difference (WMD) in postoperative ODI and 95% CI for PELD versus OLM of lumbar disc herniation. No significant difference was found between the two groups. International Journal of Surgery 2016 31, 86-92DOI: (10.1016/j.ijsu.2016.05.061) Copyright © 2016 IJS Publishing Group Ltd Terms and Conditions
Fig. 5 Forest plot: odds ratio (OR) in complication rate and 95% CI for PELD versus OLM of lumbar disc herniation. No significant difference was found between the two groups. International Journal of Surgery 2016 31, 86-92DOI: (10.1016/j.ijsu.2016.05.061) Copyright © 2016 IJS Publishing Group Ltd Terms and Conditions
Fig. 6 Forest plot: odds ratio (OR) in reoperation rate and 95% CI for PELD versus OLM of lumbar disc herniation. No significant difference was found between the two groups. International Journal of Surgery 2016 31, 86-92DOI: (10.1016/j.ijsu.2016.05.061) Copyright © 2016 IJS Publishing Group Ltd Terms and Conditions
Fig. 7 Weighted mean difference (WMD) in operation time and 95% CI for PELD versus OLM of lumbar disc herniation. It is significantly higher in the OLM surgery group compared with the PELD surgery group. International Journal of Surgery 2016 31, 86-92DOI: (10.1016/j.ijsu.2016.05.061) Copyright © 2016 IJS Publishing Group Ltd Terms and Conditions
Fig. 8 Weighted mean difference (WMD) in hospital stay and 95% CI for PELD versus OLM of lumbar disc herniation. It is significantly higher in the OLM surgery group compared with the PELD surgery group. International Journal of Surgery 2016 31, 86-92DOI: (10.1016/j.ijsu.2016.05.061) Copyright © 2016 IJS Publishing Group Ltd Terms and Conditions