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Resistance training effect on functional decline in older adults with dementia
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World Journal of Meta-Analysis is an international peer-reviewed, open-access academic journal dedicated to publish original, high-quality research employing meta-analysis, including drug efficacy evaluation, diagnostic accuracy assessment, epidemiological studies, and research involving artificial intelligence. The journal focuses on, but is not limited to, the following areas: Biomedicine, clinical medicine, public health, psychology, and behavioral science. Types of articles published by the journal include meta-analysis, editorial, review, minireview, systematic review, guidelines, and correspondence. All submissions undergo a rigorous and transparent peer-review process by at least two independent reviewers. Manuscripts are evaluated based on scientific rigor, originality, clinical relevance, and reproducibility, with particular attention to methodological robustness and data integrity. Constructive and timely feedback is provided to ensure the highest standards of scholarly communication. The journal adheres to the highest standards of publication ethics and editorial integrity, in accordance with the guidelines of the Committee on Publication Ethics, the International Committee of Medical Journal Editors, and the World Association of Medical Editors. To advance scientific discovery, promote evidence-based clinical practice, and foster innovation in clinical medicine, ultimately improving global health outcomes. We invite researchers, clinicians, and multidisciplinary experts worldwide to submit high-quality manuscripts and contribute to shaping the future of medical science. Submit an Article >>

2026 Published Issues
3 2 1
Editors-in-Chief
  • Jing Sun, PhD, Professor, (E-mail: j.sun@griffith.edu.au) School of Medicine and Dentistry, Griffith University, Gold Coast, Queensland 4222, Australia
Indexing/Abstracting
The WJMA is now abstracted and indexed in Reference Citation Analysis, China Science and Technology Journal Database, and Superstar Journals Database.
Journal Metrics
There is currently no impact factor. 
ISSN
2308-3840 (online)
Latest Manuscript Statistics
Received (590), Duration of Peer Review (25 days/Mean), Days from Submission to First Decision (48 days/Mean), Second Decision Time (41 days/Mean), Accepted (57.1%/Mean), Production Time (47 days/Mean), Time to Publication (156 days/Mean), and Rejected (19.8%/Mean).
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Contents Volume 14 Issue 3 September 18, 2026
Systematic Reviews
Scratching the surface: A systematic review of modern approaches to diagnosing and treating cholestatic pruritus
Catherine Liu, Ashwath Elangovan, David Jerez Diaz, Lana Petrova, Anuroop Yekula, Patrick Twohig 
World J Meta-Anal 14(3):120937. Published online Sep 18, 2026. doi: 10.13105/wjma.120937
Gut microbiota axis in periodontitis: A systematic review and meta-analysis of inflammatory and microbial interactions
Neelam Das 
World J Meta-Anal 14(3):121388. Published online Sep 18, 2026. doi: 10.13105/wjma.121388
Rouvière’s sulcus variants from a clinical perspective: A systematic review
Shamir O Cawich, Michael D Kluger, Rahul R Deshpande, Neil W Pearce, Adnan Alseidi, Giovanni Dapri, John N Primrose, Michael T Gardner, Ramnanand S Kedambady, Shaneeta Johnson, D Brock Hewitt, Ammar A Javed 
World J Meta-Anal 14(3):123961. Published online Sep 18, 2026. doi: 10.13105/wjma.123961
Meta-Analysis
Single-step laparoscopic surgery reduces postoperative morbidity in the management of gallstones
Wajeeh Ullah Mahmood, Omar Lubbad, Omar Hamed, Shehram Shafique, Goldie Khera, Krishna K Singh, Muhammad Shafique Sajid 
World J Meta-Anal 14(3):121913. Published online Sep 18, 2026. doi: 10.13105/wjma.121913
Resistance training effect on functional decline in older adults with dementia
Miriam Wangari Ndirangu, Jonathan Soldera 
World J Meta-Anal 14(3):121960. Published online Sep 18, 2026. doi: 10.13105/wjma.121960
Endoscopic ultrasound-guided biliary drainage vs endoscopic retrograde cholangiopancreatography for malignant distal obstruction: Randomized-trial meta-analysis
Ahmed Salman, Mohamed AbdAlla Salman, Hossam E Shaaban 
World J Meta-Anal 14(3):124719. Published online Sep 18, 2026. doi: 10.13105/wjma.124719
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