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BMJ Journals

Meta-Analysis

Comparison of the effects of ultrasound-guided quadratus lumborum block and erector spinae plane block on postoperative pain in abdominal surgeries: a protocol for systematic review and meta-analysis
Xiangdong Zhang, Donghang Zhang, Xiaoqing Wang, Yiyong Wei

BMJ Open Mar 2024, 14 (3) e079849; DOI: 10.1136/bmjopen-2023-079849
Effects of haemodiafiltration or haemofiltration compared with haemodialysis on prognosis in patients with end-stage renal disease: protocol an updated systematic review and meta-analysis of randomised trials with trial sequential analysis
Fan Zhang, Jing Liao, Yan Bai, Zixuan Zhang, Liuyan Huang, Yifei Zhong

BMJ Open Mar 2024, 14 (3) e080541; DOI: 10.1136/bmjopen-2023-080541
Approaches for the treatment of perforated peptic ulcers: a network meta-analysis of randomised controlled trials – study protocol
Elisabeth Wadewitz, Juliane Friedrichs, Maurizio Grilli, Johannes Vey, Samuel Zimmermann, Joerg Kleeff, Ulrich Ronellenfitsch, Johannes Klose, Artur Rebelo

BMJ Open Mar 2024, 14 (3) e082732; DOI: 10.1136/bmjopen-2023-082732
Efficacy and safety of moxibustion for ulcerative colitis: protocol for a systematic review and meta-analysis
Yanzhen Li, Wen Zhou, Wenxiao Chen, Bailing Deng, Jianyu You

BMJ Open Mar 2024, 14 (3) e078878; DOI: 10.1136/bmjopen-2023-078878
Survival outcomes following complete mediastinal lymphadenectomy or selective mediastinal lymphadenectomy in patients with stage I–IIIA non-small cell lung cancer: protocol for a systematic review and meta-analysis
Jianfeng Xu, Jinxing Lai, Xiongfeng Huang, Yuxi Ren, Qiao Chen, Weijuan Li

BMJ Open Mar 2024, 14 (3) e084520; DOI: 10.1136/bmjopen-2024-084520
Prognostic and clinicopathological significance of the Controlling Nutritional Status (CONUT) score in patients with lymphoma: a meta-analysis
Lili Li, Lihong Shou

BMJ Open Mar 2024, 14 (3) e078320; DOI: 10.1136/bmjopen-2023-078320
Meta-analysis on inflammation and autonomic nervous system of coronary heart disease combined with depression
Guo Li, Lijun Zhang, Meiyan Liu

BMJ Open Mar 2024, 14 (3) e079980; DOI: 10.1136/bmjopen-2023-079980
Tobacco use and behaviour among South African adolescents and young adults: systematic review and meta-analysis
Mukhethwa Londani, Olanrewaju Oladimeji

BMJ Open Feb 2024, 14 (2) e079657; DOI: 10.1136/bmjopen-2023-079657
Effectiveness of musculoskeletal manipulations in patients with neck pain: a protocol for a systematic review and network meta-analysis
Zhichao Gong, Yinyan Gao, Wenqi Liu, Xiaowei Liu, Qintao Chen, Siyi Zhang, Lei Liu, Jiangshan Li, Wu Li

BMJ Open Feb 2024, 14 (2) e077951; DOI: 10.1136/bmjopen-2023-077951
Effects of six teaching strategies on medical students: protocol for a systematic review and network meta-analysis
Shuailong Zhang, Dongmei Zhu, Xiaqing Wang, Tianyao Liu, Lian Wang, Xiaotang Fan, Hong Gong

BMJ Open Jan 2024, 14 (1) e079716; DOI: 10.1136/bmjopen-2023-079716

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