BPG is committed to discovery and dissemination of knowledge
Welcome to the World Journal of Meta-Analysis

The World Journal of Meta-Analysis (WJMA) is an online, open-access, single-blind peer-reviewed journal that is published by Baishideng Publishing Group. Accepting both solicited and unsolicited manuscripts, the WJMA mainly publishes high quality meta-analysis and systematic review articles to lead the development of various fields of clinical medicine. The type of articles published in the WJMA include the editorial, minireview, review, meta-analysis, meta-regression, systematic review, and evidence-based practice. Submit here >> 


2019 Published Issues
6 5 4 3 2 1
  • Giuseppe Biondi-Zoccai, MD, MSc, Associate Professor, (E-mail: gbiondizoccai@gmail.com) Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina 04100, Italy

The WJMA is now abstracted and indexed in Emerging Sources Citation Index (Web of Science), China National Knowledge Infrastructure (CNKI), China Science and Technology Journal Database (CSTJ), and Superstar Journals Database.

Journal Metrics
There is currently no impact factor.
2308-3840 (online)
Prevention of post-endoscopic retrograde cholangiopancreatography pancreatitis using pancreatic stents: A review of efficacy, diameter and length 
Mitsuru Sugimoto, Tadayuki Takagi, Rei Suzuki, Naoki Konno, Hiroyuki Asama, Yuki Sato, Hiroki Irie, Ko Watanabe, Jun Nakamura, Hitomi Kikuchi, Mika Takasumi, Minami Hashimoto, Takuto Hikichi, Hiromasa Ohira 
World J Meta-Anal 7(6):259-268. Published online Jun 30, 2019. doi: 10.13105/wjma.v7.i6.259
Systematic Review
Significance of multivisceral resections in oncologic surgery: A systematic review of the literature 
Giorgi Nadiradze, Can Yurttas, Alfred Königsrainer, Philipp Horvath 
World J Meta-Anal 7(6):269-289. Published online Jun 30, 2019. doi: 10.13105/wjma.v7.i6.269
Relationship between perioperative anaemia and outcomes in older people with hip fractures: A systematic review and meta-analysis protocol 
Kareeann SF Khow, Michelle WK Kee, Pazhvoor N Shibu, Solomon CY Yu, Mellick J Chehade, Renuka Visvanathan 
World J Meta-Anal 7(6):290-296. Published online Jun 30, 2019. doi: 10.13105/wjma.v7.i6.290
Treatment options for rumination syndrome: A systematic review 
Andrew Ming-Liang Ong, Shu-Wen Tay, Yu-Tien Wang 
World J Meta-Anal 7(6):297-308. Published online Jun 30, 2019. doi: 10.13105/wjma.v7.i6.297
Surgery with adjuvant or neoadjuvant treatment vs surgery alone for resectable pancreatic cancer: A network meta-analysis 
Pu Shen, Kai-Jun Huang, Chuan-Zhao Zhang, Li Xiao, Tao Zhang 
World J Meta-Anal 7(6):309-322. Published online Jun 30, 2019. doi: 10.13105/wjma.v7.i6.309
Single strain probiotics for dyslipidemia, fatty liver, and obesity: A systematic review and meta-analysis 
Krit Pongpirul, Kantima Janchot, Yudi Dai 
World J Meta-Anal 7(6):323-338. Published online Jun 30, 2019. doi: 10.13105/wjma.v7.i6.323