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Welcome to the World Journal of Meta-Analysis

The World Journal of Meta-Analysis (WJMA) is a leading academic journal devoted to reporting the latest, cutting-edge research progress and findings of basic research and clinical practice in the field of clinical medicine.  It was launched on May 26, 2013 and is published bimonthly (6 issues annually) by BPG, the world's leading professional clinical medical journal publishing company.

We encourage clinical medicine specialists worldwide to submit manuscripts to the WJMA describing their original basic or clinical research findings that are of high academic value and which report new diagnostic techniques or summarize their treatment experiences.

The usual times related to all publication processes of the WJMA are as follows: (1) From manuscript receipt to peer-review: 2-4 weeks; (2) From initial manuscript acceptance, with revisions, to return of the revised manuscript from the authors: 4-5 weeks; (3) From return of the revised manuscript from the authors to final acceptance: 1-2 weeks; (4) From final acceptance to an article in press: 2 days; and (5) From article in press designation to formal release of the electronic version and all online documentation: 2-9 weeks. The WJMA’s acceptance rate: 46%. Submit here >>

2017 Published Issues

Giuseppe Biondi-Zoccai, MD, Assistant Professor


Emerging Sources Citation Index (Web of Science), China National Knowledge Infrastructure (CNKI).

Journal Metrics

There is currently no impact factor.


2308-3840 (online)

Preoperative colonic stents vs emergency surgery for acute left-sided malignant colonic obstruction: Meta-analysis with systematic review of the literature  
Belinda De Simone, Fausto Catena, Federico Coccolini, Salomone Di Saverio, Massimo Sartelli, Arianna Heyer, Nicola De Angelis, Gian Luigi De Angelis, Luca Ansaloni
World J Meta-Anal 5(1):1-13. Published online Feb 26, 2017. doi: 10.13105/wjma.v5.i1.1